[linux] 01/01: [rt] Update to 4.4.1-rt5
debian-kernel at lists.debian.org
debian-kernel at lists.debian.org
Tue Feb 9 18:18:40 UTC 2016
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benh pushed a commit to branch master
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commit 0efd25dffffc30e04bb75b98fba2208fef30c081
Author: Ben Hutchings <ben at decadent.org.uk>
Date: Tue Feb 9 18:04:09 2016 +0000
[rt] Update to 4.4.1-rt5
---
debian/changelog | 5 +-
...e-lock-unlock-symetry-versus-pi_lock-and-.patch | 2 +-
...irq-in-translation-section-permission-fau.patch | 2 +-
...CK-printk-drop-the-logbuf_lock-more-often.patch | 12 ++--
...lapic-mark-LAPIC-timer-handler-as-irqsafe.patch | 2 +-
.../rt/KVM-use-simple-waitqueue-for-vcpu-wq.patch | 2 +-
...vert-acpi_gbl_hardware-lock-back-to-a-raw.patch | 2 +-
.../rt/arch-arm64-Add-lazy-preempt-support.patch | 2 +-
...azy-preempt-add-TIF_NEED_RESCHED_LAZY-to-.patch | 2 +-
...t-remove-irq-handler-when-clock-is-unused.patch | 2 +-
...-at91-tclib-default-to-tclib-timer-for-rt.patch | 2 +-
.../all/rt/arm-convert-boot-lock-to-raw.patch | 2 +-
.../all/rt/arm-enable-highmem-for-rt.patch | 2 +-
.../all/rt/arm-highmem-flush-tlb-on-unmap.patch | 2 +-
.../features/all/rt/arm-preempt-lazy-support.patch | 2 +-
.../features/all/rt/arm-unwind-use_raw_lock.patch | 2 +-
.../rt/arm64-xen--Make-XEN-depend-on-non-rt.patch | 2 +-
.../all/rt/ata-disable-interrupts-if-non-rt.patch | 2 +-
...st-pone-notifier-to-POST_D.patchto-POST_D.patch | 2 +-
.../features/all/rt/block-blk-mq-use-swait.patch | 2 +-
.../block-mq-don-t-complete-requests-via-IPI.patch | 2 +-
.../all/rt/block-mq-drop-per-ctx-cpu_lock.patch | 2 +-
.../all/rt/block-mq-drop-preempt-disable.patch | 2 +-
.../features/all/rt/block-mq-use-cpu_light.patch | 2 +-
.../block-shorten-interrupt-disabled-regions.patch | 2 +-
.../features/all/rt/block-use-cpu-chill.patch | 2 +-
...alize-the-seq-counter-in-struct-btrfs_dev.patch | 2 +-
.../all/rt/bug-rt-dependend-variants.patch | 2 +-
...ps-scheduling-while-atomic-in-cgroup-code.patch | 2 +-
.../cgroups-use-simple-wait-in-css_release.patch | 2 +-
...clocksource-tclib-allow-higher-clockrates.patch | 2 +-
.../all/rt/completion-use-simple-wait-queues.patch | 4 +-
.../all/rt/cond-resched-lock-rt-tweak.patch | 2 +-
.../features/all/rt/cond-resched-softirq-rt.patch | 8 +--
...g-Document-why-PREEMPT_RT-uses-a-spinlock.patch | 2 +-
...ke-hotplug-lock-a-sleeping-spinlock-on-rt.patch | 2 +-
.../features/all/rt/cpu-rt-rework-cpu-down.patch | 28 ++-------
...l-Add-a-UNINTERRUPTIBLE-hrtimer_nanosleep.patch | 2 +-
.../all/rt/cpu_down_move_migrate_enable_back.patch | 2 +-
...req-drop-K8-s-driver-from-beeing-selected.patch | 2 +-
.../all/rt/cpumask-disable-offstack-on-rt.patch | 2 +-
...educe-preempt-disabled-regions-more-algos.patch | 2 +-
.../patches/features/all/rt/debugobjects-rt.patch | 2 +-
.../patches/features/all/rt/dm-make-rt-aware.patch | 2 +-
...idle-coupled-fix-warning-cpuidle_coupled_.patch | 2 +-
...rivers-media-vsp1_video-fix-compile-error.patch | 2 +-
.../rt/drivers-net-8139-disable-irq-nosync.patch | 2 +-
.../all/rt/drivers-net-fix-livelock-issues.patch | 2 +-
.../rt/drivers-net-vortex-fix-locking-issues.patch | 2 +-
...ers-random-reduce-preempt-disabled-region.patch | 2 +-
.../all/rt/drivers-tty-fix-omap-lock-crap.patch | 2 +-
.../rt/drivers-tty-pl011-irq-disable-madness.patch | 2 +-
...15-drop-trace_i915_gem_ring_dispatch-onrt.patch | 2 +-
...ack-don-t-disable-preemption-during-trace.patch | 2 +-
.../features/all/rt/epoll-use-get-cpu-light.patch | 2 +-
.../all/rt/fs-aio-simple-simple-work.patch | 2 +-
.../features/all/rt/fs-block-rt-support.patch | 2 +-
.../fs-dcache-use-cpu-chill-in-trylock-loops.patch | 2 +-
.../all/rt/fs-jbd-replace-bh_state-lock.patch | 2 +-
...bd2-pull-your-plug-when-waiting-for-space.patch | 2 +-
.../all/rt/fs-namespace-preemption-fix.patch | 2 +-
.../all/rt/fs-ntfs-disable-interrupt-non-rt.patch | 2 +-
.../rt/fs-replace-bh_uptodate_lock-for-rt.patch | 2 +-
.../all/rt/ftrace-migrate-disable-tracing.patch | 2 +-
.../features/all/rt/futex-requeue-pi-fix.patch | 2 +-
...default-affinity-mask-command-line-option.patch | 68 ++++++++++++++++++++++
.../all/rt/genirq-disable-irqpoll-on-rt.patch | 2 +-
...ot-invoke-the-affinity-callback-via-a-wor.patch | 2 +-
.../features/all/rt/genirq-force-threading.patch | 2 +-
...-set_cpus_allowed_ptr-in-sync_unplug_thre.patch | 2 +-
.../all/rt/hotplug-light-get-online-cpus.patch | 2 +-
...lug-sync_unplug-no-27-5cn-27-in-task-name.patch | 2 +-
.../all/rt/hotplug-use-migrate-disable.patch | 2 +-
...-Move-schedule_work-call-to-helper-thread.patch | 2 +-
.../all/rt/hrtimer-enfore-64byte-alignment.patch | 2 +-
...up-hrtimer-callback-changes-for-preempt-r.patch | 2 +-
.../all/rt/hrtimers-prepare-full-preemption.patch | 2 +-
...tor-Don-t-ignore-threshold-module-paramet.patch | 2 +-
...tor-Update-hwlat_detector-to-add-outer-lo.patch | 2 +-
...tector-Use-thread-instead-of-stop-machine.patch | 2 +-
...tector-Use-trace_clock_local-if-available.patch | 2 +-
debian/patches/features/all/rt/hwlatdetect.patch | 2 +-
.../i2c-omap-drop-the-lock-hard-irq-context.patch | 2 +-
...warning-from-i915-when-running-on-PREEMPT.patch | 2 +-
.../patches/features/all/rt/i915_compile_fix.patch | 2 +-
.../all/rt/ide-use-nort-local-irq-variants.patch | 2 +-
.../all/rt/idr-use-local-lock-for-protection.patch | 2 +-
.../rt/infiniband-mellanox-ib-use-nort-irq.patch | 2 +-
.../all/rt/inpt-gameport-use-local-irq-nort.patch | 2 +-
.../rt/introduce_migrate_disable_cpu_light.patch | 21 ++++---
...-msg-Implement-lockless-pipelined-wakeups.patch | 2 +-
.../all/rt/ipc-sem-rework-semaphore-wakeups.patch | 2 +-
...-softirq-processing-in-irq-thread-context.patch | 2 +-
...irqwork-Move-irq-safe-work-to-irq-context.patch | 2 +-
...qwork-push_most_work_into_softirq_context.patch | 2 +-
debian/patches/features/all/rt/jump-label-rt.patch | 2 +-
.../all/rt/kconfig-disable-a-few-options-rt.patch | 2 +-
.../features/all/rt/kconfig-preempt-rt-full.patch | 2 +-
.../kernel-SRCU-provide-a-static-initializer.patch | 2 +-
...fix-cpu-down-problem-if-kthread-s-cpu-is-.patch | 2 +-
...plug-restore-original-cpu-mask-oncpu-down.patch | 2 +-
...-mark-perf_cpu_context-s-timer-as-irqsafe.patch | 26 +++++++++
.../features/all/rt/kgb-serial-hackaround.patch | 2 +-
debian/patches/features/all/rt/latency-hist.patch | 4 +-
.../latency_hist-update-sched_wakeup-probe.patch | 2 +-
.../all/rt/latencyhist-disable-jump-labels.patch | 62 ++++++++++++++++++++
.../leds-trigger-disable-CPU-trigger-on-RT.patch | 2 +-
debian/patches/features/all/rt/lglocks-rt.patch | 2 +-
.../list_bl.h-make-list-head-locking-RT-safe.patch | 2 +-
.../all/rt/local-irq-rt-depending-variants.patch | 2 +-
debian/patches/features/all/rt/localversion.patch | 6 +-
.../rt/lockdep-no-softirq-accounting-on-rt.patch | 2 +-
...ftest-fix-warnings-due-to-missing-PREEMPT.patch | 2 +-
...-do-hardirq-context-test-for-raw-spinlock.patch | 2 +-
...ktorture-Do-NOT-include-rwlock.h-directly.patch | 2 +-
.../features/all/rt/md-disable-bcache.patch | 2 +-
.../all/rt/md-raid5-percpu-handling-rt-aware.patch | 2 +-
.../all/rt/mips-disable-highmem-on-rt.patch | 2 +-
.../all/rt/mm--rt--Fix-generic-kmap_atomic-for-RT | 2 +-
.../all/rt/mm-bounce-local-irq-save-nort.patch | 2 +-
.../all/rt/mm-convert-swap-to-percpu-locked.patch | 2 +-
.../features/all/rt/mm-disable-sloub-rt.patch | 2 +-
.../patches/features/all/rt/mm-enable-slub.patch | 2 +-
.../features/all/rt/mm-make-vmstat-rt-aware.patch | 2 +-
...ol-Don-t-call-schedule_work_on-in-preempt.patch | 2 +-
.../all/rt/mm-memcontrol-do_not_disable_irq.patch | 2 +-
...m-page-alloc-use-local-lock-on-target-cpu.patch | 2 +-
...m-page_alloc-reduce-lock-sections-further.patch | 2 +-
.../mm-page_alloc-rt-friendly-per-cpu-pages.patch | 2 +-
.../all/rt/mm-protect-activate-switch-mm.patch | 2 +-
.../all/rt/mm-rt-kmap-atomic-scheduling.patch | 4 +-
.../mm-scatterlist-dont-disable-irqs-on-RT.patch | 2 +-
.../all/rt/mm-vmalloc-use-get-cpu-light.patch | 2 +-
...et-do-not-protect-workingset_shadow_nodes.patch | 2 +-
.../all/rt/mmci-remove-bogus-irq-save.patch | 2 +-
.../all/rt/move_sched_delayed_work_to_helper.patch | 2 +-
.../features/all/rt/mutex-no-spin-on-rt.patch | 2 +-
...r-local-irq-disable-alloc-atomic-headache.patch | 2 +-
...cpuhotplug-drain-input_pkt_queue-lockless.patch | 4 +-
...otect-users-of-napi_alloc_cache-against-r.patch | 2 +-
...-iptable-xt-write-recseq-begin-rt-fallout.patch | 2 +-
.../rt/net-make-devnet_rename_seq-a-mutex.patch | 2 +-
...xmit_recursion-to-per-task-variable-on-RT.patch | 12 ++--
.../all/rt/net-prevent-abba-deadlock.patch | 2 +-
...-a-way-to-delegate-processing-a-softirq-t.patch | 4 +-
...ev_deactivate_many-use-msleep-1-instead-o.patch | 2 +-
.../rt/net-tx-action-avoid-livelock-on-rt.patch | 6 +-
.../features/all/rt/net-use-cpu-chill.patch | 2 +-
.../features/all/rt/net-wireless-warn-nort.patch | 2 +-
...synchronize-rcu_expedited_conditional-on-non-rt | 4 +-
.../features/all/rt/oleg-signal-rt-fix.patch | 4 +-
.../all/rt/panic-disable-random-on-rt.patch | 2 +-
...troduce-rcu-bh-qs-where-safe-from-softirq.patch | 2 +-
.../rt/pci-access-use-__wake_up_all_locked.patch | 2 +-
.../features/all/rt/percpu_ida-use-locklocks.patch | 2 +-
.../all/rt/perf-make-swevent-hrtimer-irqsafe.patch | 2 +-
.../features/all/rt/peter_zijlstra-frob-rcu.patch | 2 +-
.../features/all/rt/peterz-srcu-crypto-chain.patch | 2 +-
.../features/all/rt/pid.h-include-atomic.h.patch | 2 +-
debian/patches/features/all/rt/ping-sysrq.patch | 2 +-
.../all/rt/posix-timers-no-broadcast.patch | 2 +-
...osix-timers-thread-posix-cpu-timers-on-rt.patch | 4 +-
.../all/rt/power-disable-highmem-on-rt.patch | 2 +-
.../all/rt/power-use-generic-rwsem-on-rt.patch | 2 +-
...-Disable-in-kernel-MPIC-emulation-for-PRE.patch | 2 +-
.../all/rt/powerpc-preempt-lazy-support.patch | 2 +-
...-device-init.c-adapt-to-completions-using.patch | 2 +-
.../rt/preempt-lazy-check-preempt_schedule.patch | 8 +--
.../features/all/rt/preempt-lazy-support.patch | 14 ++---
.../features/all/rt/preempt-nort-rt-variants.patch | 2 +-
...intk-27-boot-param-to-help-with-debugging.patch | 4 +-
debian/patches/features/all/rt/printk-kill.patch | 25 ++++----
.../patches/features/all/rt/printk-rt-aware.patch | 16 ++---
...t-open-IRQs-in-ptrace_freeze_traced-too-e.patch | 2 +-
.../ptrace-fix-ptrace-vs-tasklist_lock-race.patch | 4 +-
.../features/all/rt/radix-tree-rt-aware.patch | 2 +-
.../all/rt/random-make-it-work-on-rt.patch | 2 +-
...Eliminate-softirq-processing-from-rcutree.patch | 2 +-
.../all/rt/rcu-disable-rcu-fast-no-hz-on-rt.patch | 2 +-
.../all/rt/rcu-make-RCU_BOOST-default-on-RT.patch | 2 +-
.../rcu-merge-rcu-bh-into-rcu-preempt-for-rt.patch | 2 +-
.../all/rt/rcu-more-swait-conversions.patch | 2 +-
..._bh_qs-disable-irq-while-calling-rcu_pree.patch | 2 +-
...-migrate_disable-race-with-cpu-hotplug-3f.patch | 2 +-
...t_full-arm-coredump-fails-for-cpu-3e-3d-4.patch | 2 +-
.../features/all/rt/relay-fix-timer-madness.patch | 2 +-
...ping-function-called-from-invalid-context.patch | 2 +-
.../patches/features/all/rt/rt-add-rt-locks.patch | 4 +-
.../features/all/rt/rt-introduce-cpu-chill.patch | 2 +-
.../features/all/rt/rt-local-irq-lock.patch | 2 +-
.../features/all/rt/rt-preempt-base-config.patch | 2 +-
.../features/all/rt/rt-serial-warn-fix.patch | 2 +-
...rtmutex--Handle-non-enqueued-waiters-gracefully | 2 +-
.../rt/rtmutex-Use-chainwalking-control-enum.patch | 2 +-
.../rt/rtmutex-add-a-first-shot-of-ww_mutex.patch | 2 +-
.../all/rt/rtmutex-avoid-include-hell.patch | 2 +-
.../features/all/rt/rtmutex-futex-prepare-rt.patch | 2 +-
.../features/all/rt/rtmutex-lock-killable.patch | 2 +-
.../all/rt/rtmutex-trylock-is-okay-on-RT.patch | 2 +-
.../features/all/rt/rtmutex_dont_include_rcu.patch | 2 +-
...i-dont-t-disable-interrupts-in-qc_issue-h.patch | 2 +-
...-deadline-dl_task_timer-has-to-be-irqsafe.patch | 2 +-
.../features/all/rt/sched-delay-put-task.patch | 8 +--
.../rt/sched-disable-rt-group-sched-on-rt.patch | 2 +-
.../features/all/rt/sched-disable-ttwu-queue.patch | 2 +-
.../features/all/rt/sched-limit-nr-migrate.patch | 2 +-
...ched-might-sleep-do-not-account-rcu-depth.patch | 4 +-
.../features/all/rt/sched-mmdrop-delayed.patch | 10 ++--
...ched-provide-a-tsk_nr_cpus_allowed-helper.patch | 4 +-
.../features/all/rt/sched-rt-mutex-wakeup.patch | 6 +-
...hed-ttwu-ensure-success-return-is-correct.patch | 2 +-
...sk_cpus_allowed-instead-of-accessing-cpus.patch | 2 +-
...ueue-Only-wake-up-idle-workers-if-not-blo.patch | 4 +-
.../features/all/rt/scsi-fcoe-rt-aware.patch | 2 +-
...ping-function-called-from-invalid-context.patch | 2 +-
.../all/rt/seqlock-prevent-rt-starvation.patch | 2 +-
.../all/rt/signal-fix-up-rcu-wreckage.patch | 2 +-
.../rt/signal-revert-ptrace-preempt-magic.patch | 2 +-
...low-rt-tasks-to-cache-one-sigqueue-struct.patch | 4 +-
.../features/all/rt/skbufhead-raw-lock.patch | 10 ++--
.../all/rt/slub-disable-SLUB_CPU_PARTIAL.patch | 2 +-
.../all/rt/slub-enable-irqs-for-no-wait.patch | 2 +-
...-snd_pcm_stream_lock-irqs_disabled-splats.patch | 2 +-
.../rt/softirq-disable-softirq-stacks-for-rt.patch | 2 +-
.../features/all/rt/softirq-preempt-fix-3-re.patch | 12 ++--
.../features/all/rt/softirq-split-locks.patch | 8 +--
...irq-split-timer-softirqs-out-of-ksoftirqd.patch | 2 +-
.../sparc64-use-generic-rwsem-spinlocks-rt.patch | 2 +-
.../all/rt/spinlock-types-separate-raw.patch | 2 +-
...ne-create-lg_global_trylock_relax-primiti.patch | 2 +-
...ne-use-lg_global_trylock_relax-to-dead-wi.patch | 2 +-
.../features/all/rt/stop-machine-raw-lock.patch | 2 +-
...ne-convert-stop_machine_run-to-PREEMPT_RT.patch | 2 +-
...ake-svc_xprt_do_enqueue-use-get_cpu_light.patch | 2 +-
.../rt/suspend-prevernt-might-sleep-splats.patch | 2 +-
.../features/all/rt/sysfs-realtime-entry.patch | 2 +-
...klets-from-going-into-infinite-spin-in-rt.patch | 2 +-
.../rt/tasklist-lock-fix-section-conflict.patch | 2 +-
.../thermal-Defer-thermal-wakups-to-threads.patch | 2 +-
.../all/rt/timekeeping-split-jiffies-lock.patch | 2 +-
...delay-waking-softirqs-from-the-jiffy-tick.patch | 2 +-
.../features/all/rt/timer-fd-avoid-live-lock.patch | 2 +-
...s-avoid-the-base-null-otptimization-on-rt.patch | 2 +-
.../all/rt/timers-preempt-rt-support.patch | 2 +-
.../rt/timers-prepare-for-full-preemption.patch | 2 +-
...cy-hist-Consider-new-argument-when-probin.patch | 2 +-
...count-for-preempt-off-in-preempt_schedule.patch | 2 +-
...t-remove-preemption-disabling-in-netif_rx.patch | 6 +-
.../all/rt/usb-use-_nort-in-giveback.patch | 2 +-
.../features/all/rt/user-use-local-irq-nort.patch | 2 +-
.../all/rt/vtime-split-lock-and-seqcount.patch | 4 +-
.../all/rt/wait-simple-implementation.patch | 2 +-
.../features/all/rt/wait.h-include-atomic.h.patch | 2 +-
...ue-work-around-irqsafe-timer-optimization.patch | 2 +-
...rk-simple-Simple-work-queue-implemenation.patch | 2 +-
.../all/rt/workqueue-distangle-from-rq-lock.patch | 10 ++--
.../all/rt/workqueue-prevent-deadlock-stall.patch | 6 +-
.../features/all/rt/workqueue-use-locallock.patch | 2 +-
.../features/all/rt/workqueue-use-rcu.patch | 2 +-
.../all/rt/x86-UV-raw_spinlock-conversion.patch | 2 +-
...86-crypto-reduce-preempt-disabled-regions.patch | 2 +-
.../x86-highmem-add-a-already-used-pte-check.patch | 2 +-
.../all/rt/x86-io-apic-migra-no-unmask.patch | 2 +-
.../all/rt/x86-kvm-require-const-tsc-for-rt.patch | 4 +-
.../features/all/rt/x86-mce-timer-hrtimer.patch | 2 +-
.../x86-mce-use-swait-queue-for-mce-wakeups.patch | 2 +-
.../patches/features/all/rt/x86-preempt-lazy.patch | 2 +-
...x86-signal-delay-calling-signals-on-32bit.patch | 2 +-
.../all/rt/x86-stackprot-no-random-on-rt.patch | 2 +-
.../all/rt/x86-use-gen-rwsem-spinlocks-rt.patch | 2 +-
debian/patches/series-rt | 4 +-
271 files changed, 534 insertions(+), 389 deletions(-)
diff --git a/debian/changelog b/debian/changelog
index 2fe242c..4333584 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -26,7 +26,6 @@ linux (4.4.1-1~exp1) UNRELEASED; urgency=medium
* linux-image: Remove unnecessary debconf initialisations
* linux-{headers,image}: Remove support for version-specific hooks
* linux-headers: Make postinst script less verbose (see: #734266)
- * [rt] Update to 4.4-rt3
* [armel] Replace kirkwood and orion5x flavours with a 'marvell' flavour
* [armel/marvell] Adjust configuration to reduce image size:
- Disable support for DNS-323 as the kernel image was already too large
@@ -35,6 +34,10 @@ linux (4.4.1-1~exp1) UNRELEASED; urgency=medium
+ Change MTD_CFI_AMDSTD from built-in to module
- input: Disable KEYBOARD_ATKBD
- mtd: Change JFFS2_FS, MTD_SPI_NOR, and M25P80 from built-in to modules
+ * [rt] Update to 4.4.1-rt5:
+ - genirq: Add default affinity mask command line option
+ - latencyhist: disable jump-labels
+ - kernel/perf: mark perf_cpu_context's timer as irqsafe
-- Ian Campbell <ijc at debian.org> Sat, 23 Jan 2016 08:23:05 +0000
diff --git a/debian/patches/features/all/rt/0005-futex-Ensure-lock-unlock-symetry-versus-pi_lock-and-.patch b/debian/patches/features/all/rt/0005-futex-Ensure-lock-unlock-symetry-versus-pi_lock-and-.patch
index ab1eedc..9f5e333 100644
--- a/debian/patches/features/all/rt/0005-futex-Ensure-lock-unlock-symetry-versus-pi_lock-and-.patch
+++ b/debian/patches/features/all/rt/0005-futex-Ensure-lock-unlock-symetry-versus-pi_lock-and-.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 1 Mar 2013 11:17:42 +0100
Subject: futex: Ensure lock/unlock symetry versus pi_lock and hash bucket lock
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
In exit_pi_state_list() we have the following locking construct:
diff --git a/debian/patches/features/all/rt/ARM-enable-irq-in-translation-section-permission-fau.patch b/debian/patches/features/all/rt/ARM-enable-irq-in-translation-section-permission-fau.patch
index db4aa0e..0f260d5 100644
--- a/debian/patches/features/all/rt/ARM-enable-irq-in-translation-section-permission-fau.patch
+++ b/debian/patches/features/all/rt/ARM-enable-irq-in-translation-section-permission-fau.patch
@@ -1,7 +1,7 @@
From: "Yadi.hu" <yadi.hu at windriver.com>
Date: Wed, 10 Dec 2014 10:32:09 +0800
Subject: ARM: enable irq in translation/section permission fault handlers
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Probably happens on all ARM, with
CONFIG_PREEMPT_RT_FULL
diff --git a/debian/patches/features/all/rt/HACK-printk-drop-the-logbuf_lock-more-often.patch b/debian/patches/features/all/rt/HACK-printk-drop-the-logbuf_lock-more-often.patch
index 60fb83b..89b0fbe 100644
--- a/debian/patches/features/all/rt/HACK-printk-drop-the-logbuf_lock-more-often.patch
+++ b/debian/patches/features/all/rt/HACK-printk-drop-the-logbuf_lock-more-often.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Thu, 21 Mar 2013 19:01:05 +0100
Subject: printk: Drop the logbuf_lock more often
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The lock is hold with irgs off. The latency drops 500us+ on my arm bugs
with a "full" buffer after executing "dmesg" on the shell.
@@ -13,7 +13,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
-@@ -1203,6 +1203,7 @@ static int syslog_print_all(char __user
+@@ -1262,6 +1262,7 @@ static int syslog_print_all(char __user
{
char *text;
int len = 0;
@@ -21,7 +21,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
text = kmalloc(LOG_LINE_MAX + PREFIX_MAX, GFP_KERNEL);
if (!text)
-@@ -1214,7 +1215,14 @@ static int syslog_print_all(char __user
+@@ -1273,7 +1274,14 @@ static int syslog_print_all(char __user
u64 seq;
u32 idx;
enum log_flags prev;
@@ -37,7 +37,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
if (clear_seq < log_first_seq) {
/* messages are gone, move to first available one */
clear_seq = log_first_seq;
-@@ -1235,6 +1243,14 @@ static int syslog_print_all(char __user
+@@ -1294,6 +1302,14 @@ static int syslog_print_all(char __user
prev = msg->flags;
idx = log_next(idx);
seq++;
@@ -52,7 +52,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
}
/* move first record forward until length fits into the buffer */
-@@ -1248,6 +1264,14 @@ static int syslog_print_all(char __user
+@@ -1307,6 +1323,14 @@ static int syslog_print_all(char __user
prev = msg->flags;
idx = log_next(idx);
seq++;
@@ -67,7 +67,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
}
/* last message fitting into this dump */
-@@ -1288,6 +1312,7 @@ static int syslog_print_all(char __user
+@@ -1347,6 +1371,7 @@ static int syslog_print_all(char __user
clear_seq = log_next_seq;
clear_idx = log_next_idx;
}
diff --git a/debian/patches/features/all/rt/KVM-lapic-mark-LAPIC-timer-handler-as-irqsafe.patch b/debian/patches/features/all/rt/KVM-lapic-mark-LAPIC-timer-handler-as-irqsafe.patch
index 4b42c0d..ec96527 100644
--- a/debian/patches/features/all/rt/KVM-lapic-mark-LAPIC-timer-handler-as-irqsafe.patch
+++ b/debian/patches/features/all/rt/KVM-lapic-mark-LAPIC-timer-handler-as-irqsafe.patch
@@ -1,7 +1,7 @@
From: Marcelo Tosatti <mtosatti at redhat.com>
Date: Wed, 8 Apr 2015 20:33:25 -0300
Subject: KVM: lapic: mark LAPIC timer handler as irqsafe
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Since lapic timer handler only wakes up a simple waitqueue,
it can be executed from hardirq context.
diff --git a/debian/patches/features/all/rt/KVM-use-simple-waitqueue-for-vcpu-wq.patch b/debian/patches/features/all/rt/KVM-use-simple-waitqueue-for-vcpu-wq.patch
index de74b70..f7a4bff 100644
--- a/debian/patches/features/all/rt/KVM-use-simple-waitqueue-for-vcpu-wq.patch
+++ b/debian/patches/features/all/rt/KVM-use-simple-waitqueue-for-vcpu-wq.patch
@@ -1,7 +1,7 @@
From: Marcelo Tosatti <mtosatti at redhat.com>
Date: Wed, 8 Apr 2015 20:33:24 -0300
Subject: KVM: use simple waitqueue for vcpu->wq
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The problem:
diff --git a/debian/patches/features/all/rt/acpi-rt-Convert-acpi_gbl_hardware-lock-back-to-a-raw.patch b/debian/patches/features/all/rt/acpi-rt-Convert-acpi_gbl_hardware-lock-back-to-a-raw.patch
index fe34ea1..8a9e17b 100644
--- a/debian/patches/features/all/rt/acpi-rt-Convert-acpi_gbl_hardware-lock-back-to-a-raw.patch
+++ b/debian/patches/features/all/rt/acpi-rt-Convert-acpi_gbl_hardware-lock-back-to-a-raw.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt at goodmis.org>
Date: Wed, 13 Feb 2013 09:26:05 -0500
Subject: acpi/rt: Convert acpi_gbl_hardware lock back to a raw_spinlock_t
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
We hit the following bug with 3.6-rt:
diff --git a/debian/patches/features/all/rt/arch-arm64-Add-lazy-preempt-support.patch b/debian/patches/features/all/rt/arch-arm64-Add-lazy-preempt-support.patch
index ff6f0e8..23c3e0a 100644
--- a/debian/patches/features/all/rt/arch-arm64-Add-lazy-preempt-support.patch
+++ b/debian/patches/features/all/rt/arch-arm64-Add-lazy-preempt-support.patch
@@ -1,7 +1,7 @@
From: Anders Roxell <anders.roxell at linaro.org>
Date: Thu, 14 May 2015 17:52:17 +0200
Subject: arch/arm64: Add lazy preempt support
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
arm64 is missing support for PREEMPT_RT. The main feature which is
lacking is support for lazy preemption. The arch-specific entry code,
diff --git a/debian/patches/features/all/rt/arm-arm64-lazy-preempt-add-TIF_NEED_RESCHED_LAZY-to-.patch b/debian/patches/features/all/rt/arm-arm64-lazy-preempt-add-TIF_NEED_RESCHED_LAZY-to-.patch
index f7e58b5..b45f445 100644
--- a/debian/patches/features/all/rt/arm-arm64-lazy-preempt-add-TIF_NEED_RESCHED_LAZY-to-.patch
+++ b/debian/patches/features/all/rt/arm-arm64-lazy-preempt-add-TIF_NEED_RESCHED_LAZY-to-.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 22 Jan 2016 21:33:39 +0100
Subject: arm+arm64: lazy-preempt: add TIF_NEED_RESCHED_LAZY to _TIF_WORK_MASK
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
_TIF_WORK_MASK is used to check for TIF_NEED_RESCHED so we need to check
for TIF_NEED_RESCHED_LAZY here, too.
diff --git a/debian/patches/features/all/rt/arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch b/debian/patches/features/all/rt/arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch
index cdb0480..0f3ecd9 100644
--- a/debian/patches/features/all/rt/arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch
+++ b/debian/patches/features/all/rt/arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch
@@ -1,7 +1,7 @@
From: Benedikt Spranger <b.spranger at linutronix.de>
Date: Sat, 6 Mar 2010 17:47:10 +0100
Subject: ARM: AT91: PIT: Remove irq handler when clock event is unused
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Setup and remove the interrupt handler in clock event mode selection.
This avoids calling the (shared) interrupt handler when the device is
diff --git a/debian/patches/features/all/rt/arm-at91-tclib-default-to-tclib-timer-for-rt.patch b/debian/patches/features/all/rt/arm-at91-tclib-default-to-tclib-timer-for-rt.patch
index 424148d..a93a22a 100644
--- a/debian/patches/features/all/rt/arm-at91-tclib-default-to-tclib-timer-for-rt.patch
+++ b/debian/patches/features/all/rt/arm-at91-tclib-default-to-tclib-timer-for-rt.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sat, 1 May 2010 18:29:35 +0200
Subject: ARM: at91: tclib: Default to tclib timer for RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
RT is not too happy about the shared timer interrupt in AT91
devices. Default to tclib timer for RT.
diff --git a/debian/patches/features/all/rt/arm-convert-boot-lock-to-raw.patch b/debian/patches/features/all/rt/arm-convert-boot-lock-to-raw.patch
index f4fed36..34643c7 100644
--- a/debian/patches/features/all/rt/arm-convert-boot-lock-to-raw.patch
+++ b/debian/patches/features/all/rt/arm-convert-boot-lock-to-raw.patch
@@ -1,7 +1,7 @@
From: Frank Rowand <frank.rowand at am.sony.com>
Date: Mon, 19 Sep 2011 14:51:14 -0700
Subject: arm: Convert arm boot_lock to raw
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The arm boot_lock is used by the secondary processor startup code. The locking
task is the idle thread, which has idle->sched_class == &idle_sched_class.
diff --git a/debian/patches/features/all/rt/arm-enable-highmem-for-rt.patch b/debian/patches/features/all/rt/arm-enable-highmem-for-rt.patch
index 08e1500..b3c95d0 100644
--- a/debian/patches/features/all/rt/arm-enable-highmem-for-rt.patch
+++ b/debian/patches/features/all/rt/arm-enable-highmem-for-rt.patch
@@ -1,7 +1,7 @@
Subject: arm: Enable highmem for rt
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 13 Feb 2013 11:03:11 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
fixup highmem for ARM.
diff --git a/debian/patches/features/all/rt/arm-highmem-flush-tlb-on-unmap.patch b/debian/patches/features/all/rt/arm-highmem-flush-tlb-on-unmap.patch
index ec5e2e6..402ecba 100644
--- a/debian/patches/features/all/rt/arm-highmem-flush-tlb-on-unmap.patch
+++ b/debian/patches/features/all/rt/arm-highmem-flush-tlb-on-unmap.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Mon, 11 Mar 2013 21:37:27 +0100
Subject: arm/highmem: Flush tlb on unmap
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The tlb should be flushed on unmap and thus make the mapping entry
invalid. This is only done in the non-debug case which does not look
diff --git a/debian/patches/features/all/rt/arm-preempt-lazy-support.patch b/debian/patches/features/all/rt/arm-preempt-lazy-support.patch
index 58c7e57..b446f91 100644
--- a/debian/patches/features/all/rt/arm-preempt-lazy-support.patch
+++ b/debian/patches/features/all/rt/arm-preempt-lazy-support.patch
@@ -1,7 +1,7 @@
Subject: arm: Add support for lazy preemption
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 31 Oct 2012 12:04:11 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Implement the arm pieces for lazy preempt.
diff --git a/debian/patches/features/all/rt/arm-unwind-use_raw_lock.patch b/debian/patches/features/all/rt/arm-unwind-use_raw_lock.patch
index d1f05b4..5c3911b 100644
--- a/debian/patches/features/all/rt/arm-unwind-use_raw_lock.patch
+++ b/debian/patches/features/all/rt/arm-unwind-use_raw_lock.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 20 Sep 2013 14:31:54 +0200
Subject: arm/unwind: use a raw_spin_lock
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Mostly unwind is done with irqs enabled however SLUB may call it with
irqs disabled while creating a new SLUB cache.
diff --git a/debian/patches/features/all/rt/arm64-xen--Make-XEN-depend-on-non-rt.patch b/debian/patches/features/all/rt/arm64-xen--Make-XEN-depend-on-non-rt.patch
index 0a38aee..7fdde71 100644
--- a/debian/patches/features/all/rt/arm64-xen--Make-XEN-depend-on-non-rt.patch
+++ b/debian/patches/features/all/rt/arm64-xen--Make-XEN-depend-on-non-rt.patch
@@ -1,7 +1,7 @@
Subject: arm64/xen: Make XEN depend on !RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 12 Oct 2015 11:18:40 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
It's not ready and probably never will be, unless xen folks have a
look at it.
diff --git a/debian/patches/features/all/rt/ata-disable-interrupts-if-non-rt.patch b/debian/patches/features/all/rt/ata-disable-interrupts-if-non-rt.patch
index 2943c33..4ea55e6 100644
--- a/debian/patches/features/all/rt/ata-disable-interrupts-if-non-rt.patch
+++ b/debian/patches/features/all/rt/ata-disable-interrupts-if-non-rt.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <srostedt at redhat.com>
Date: Fri, 3 Jul 2009 08:44:29 -0500
Subject: ata: Do not disable interrupts in ide code for preempt-rt
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use the local_irq_*_nort variants.
diff --git a/debian/patches/features/all/rt/blk-mq-revert-raw-locks-post-pone-notifier-to-POST_D.patchto-POST_D.patch b/debian/patches/features/all/rt/blk-mq-revert-raw-locks-post-pone-notifier-to-POST_D.patchto-POST_D.patch
index aa125b8..2eeebda 100644
--- a/debian/patches/features/all/rt/blk-mq-revert-raw-locks-post-pone-notifier-to-POST_D.patchto-POST_D.patch
+++ b/debian/patches/features/all/rt/blk-mq-revert-raw-locks-post-pone-notifier-to-POST_D.patchto-POST_D.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Sat, 3 May 2014 11:00:29 +0200
Subject: blk-mq: revert raw locks, post pone notifier to POST_DEAD
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The blk_mq_cpu_notify_lock should be raw because some CPU down levels
are called with interrupts off. The notifier itself calls currently one
diff --git a/debian/patches/features/all/rt/block-blk-mq-use-swait.patch b/debian/patches/features/all/rt/block-blk-mq-use-swait.patch
index 21ca4d0..4b399c9 100644
--- a/debian/patches/features/all/rt/block-blk-mq-use-swait.patch
+++ b/debian/patches/features/all/rt/block-blk-mq-use-swait.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 13 Feb 2015 11:01:26 +0100
Subject: block: blk-mq: Use swait
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
| BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:914
| in_atomic(): 1, irqs_disabled(): 0, pid: 255, name: kworker/u257:6
diff --git a/debian/patches/features/all/rt/block-mq-don-t-complete-requests-via-IPI.patch b/debian/patches/features/all/rt/block-mq-don-t-complete-requests-via-IPI.patch
index c425b91..6b14f98 100644
--- a/debian/patches/features/all/rt/block-mq-don-t-complete-requests-via-IPI.patch
+++ b/debian/patches/features/all/rt/block-mq-don-t-complete-requests-via-IPI.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Thu, 29 Jan 2015 15:10:08 +0100
Subject: block/mq: don't complete requests via IPI
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The IPI runs in hardirq context and there are sleeping locks. This patch
moves the completion into a workqueue.
diff --git a/debian/patches/features/all/rt/block-mq-drop-per-ctx-cpu_lock.patch b/debian/patches/features/all/rt/block-mq-drop-per-ctx-cpu_lock.patch
index 5d0cbb1..fc569fe 100644
--- a/debian/patches/features/all/rt/block-mq-drop-per-ctx-cpu_lock.patch
+++ b/debian/patches/features/all/rt/block-mq-drop-per-ctx-cpu_lock.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 18 Feb 2015 18:37:26 +0100
Subject: block/mq: drop per ctx cpu_lock
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
While converting the get_cpu() to get_cpu_light() I added a cpu lock to
ensure the same code is not invoked twice on the same CPU. And now I run
diff --git a/debian/patches/features/all/rt/block-mq-drop-preempt-disable.patch b/debian/patches/features/all/rt/block-mq-drop-preempt-disable.patch
index 6be4d8d..ba05f75 100644
--- a/debian/patches/features/all/rt/block-mq-drop-preempt-disable.patch
+++ b/debian/patches/features/all/rt/block-mq-drop-preempt-disable.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: block/mq: do not invoke preempt_disable()
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
preempt_disable() and get_cpu() don't play well together with the sleeping
locks it tries to allocate later.
diff --git a/debian/patches/features/all/rt/block-mq-use-cpu_light.patch b/debian/patches/features/all/rt/block-mq-use-cpu_light.patch
index 930c9b6..275fec6 100644
--- a/debian/patches/features/all/rt/block-mq-use-cpu_light.patch
+++ b/debian/patches/features/all/rt/block-mq-use-cpu_light.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 9 Apr 2014 10:37:23 +0200
Subject: block: mq: use cpu_light()
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
there is a might sleep splat because get_cpu() disables preemption and
later we grab a lock. As a workaround for this we use get_cpu_light()
diff --git a/debian/patches/features/all/rt/block-shorten-interrupt-disabled-regions.patch b/debian/patches/features/all/rt/block-shorten-interrupt-disabled-regions.patch
index 9d90a2e..963e762 100644
--- a/debian/patches/features/all/rt/block-shorten-interrupt-disabled-regions.patch
+++ b/debian/patches/features/all/rt/block-shorten-interrupt-disabled-regions.patch
@@ -1,7 +1,7 @@
Subject: block: Shorten interrupt disabled regions
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 22 Jun 2011 19:47:02 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Moving the blk_sched_flush_plug() call out of the interrupt/preempt
disabled region in the scheduler allows us to replace
diff --git a/debian/patches/features/all/rt/block-use-cpu-chill.patch b/debian/patches/features/all/rt/block-use-cpu-chill.patch
index d91e978..ec52d61 100644
--- a/debian/patches/features/all/rt/block-use-cpu-chill.patch
+++ b/debian/patches/features/all/rt/block-use-cpu-chill.patch
@@ -1,7 +1,7 @@
Subject: block: Use cpu_chill() for retry loops
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 20 Dec 2012 18:28:26 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Retry loops on RT might loop forever when the modifying side was
preempted. Steven also observed a live lock when there was a
diff --git a/debian/patches/features/all/rt/btrfs-initialize-the-seq-counter-in-struct-btrfs_dev.patch b/debian/patches/features/all/rt/btrfs-initialize-the-seq-counter-in-struct-btrfs_dev.patch
index 989b51a..243b5be 100644
--- a/debian/patches/features/all/rt/btrfs-initialize-the-seq-counter-in-struct-btrfs_dev.patch
+++ b/debian/patches/features/all/rt/btrfs-initialize-the-seq-counter-in-struct-btrfs_dev.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 15 Jan 2016 14:28:39 +0100
Subject: btrfs: initialize the seq counter in struct btrfs_device
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
I managed to trigger this:
| INFO: trying to register non-static key.
diff --git a/debian/patches/features/all/rt/bug-rt-dependend-variants.patch b/debian/patches/features/all/rt/bug-rt-dependend-variants.patch
index 4dfe326..304b81a 100644
--- a/debian/patches/features/all/rt/bug-rt-dependend-variants.patch
+++ b/debian/patches/features/all/rt/bug-rt-dependend-variants.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:29:58 -0500
Subject: bug: BUG_ON/WARN_ON variants dependend on RT/!RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Introduce RT/NON-RT WARN/BUG statements to avoid ifdefs in the code.
diff --git a/debian/patches/features/all/rt/cgroups-scheduling-while-atomic-in-cgroup-code.patch b/debian/patches/features/all/rt/cgroups-scheduling-while-atomic-in-cgroup-code.patch
index c5e1439..061fedd 100644
--- a/debian/patches/features/all/rt/cgroups-scheduling-while-atomic-in-cgroup-code.patch
+++ b/debian/patches/features/all/rt/cgroups-scheduling-while-atomic-in-cgroup-code.patch
@@ -1,7 +1,7 @@
From: Mike Galbraith <umgwanakikbuti at gmail.com>
Date: Sat, 21 Jun 2014 10:09:48 +0200
Subject: memcontrol: Prevent scheduling while atomic in cgroup code
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
mm, memcg: make refill_stock() use get_cpu_light()
diff --git a/debian/patches/features/all/rt/cgroups-use-simple-wait-in-css_release.patch b/debian/patches/features/all/rt/cgroups-use-simple-wait-in-css_release.patch
index 7a0508d..c781ba2 100644
--- a/debian/patches/features/all/rt/cgroups-use-simple-wait-in-css_release.patch
+++ b/debian/patches/features/all/rt/cgroups-use-simple-wait-in-css_release.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 13 Feb 2015 15:52:24 +0100
Subject: cgroups: use simple wait in css_release()
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
To avoid:
|BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:914
diff --git a/debian/patches/features/all/rt/clocksource-tclib-allow-higher-clockrates.patch b/debian/patches/features/all/rt/clocksource-tclib-allow-higher-clockrates.patch
index 651f5eb..27602da 100644
--- a/debian/patches/features/all/rt/clocksource-tclib-allow-higher-clockrates.patch
+++ b/debian/patches/features/all/rt/clocksource-tclib-allow-higher-clockrates.patch
@@ -1,7 +1,7 @@
From: Benedikt Spranger <b.spranger at linutronix.de>
Date: Mon, 8 Mar 2010 18:57:04 +0100
Subject: clocksource: TCLIB: Allow higher clock rates for clock events
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
As default the TCLIB uses the 32KiHz base clock rate for clock events.
Add a compile time selection to allow higher clock resulution.
diff --git a/debian/patches/features/all/rt/completion-use-simple-wait-queues.patch b/debian/patches/features/all/rt/completion-use-simple-wait-queues.patch
index 4b29e43..34d9ff4 100644
--- a/debian/patches/features/all/rt/completion-use-simple-wait-queues.patch
+++ b/debian/patches/features/all/rt/completion-use-simple-wait-queues.patch
@@ -1,7 +1,7 @@
Subject: completion: Use simple wait queues
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 11 Jan 2013 11:23:51 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Completions have no long lasting callbacks and therefor do not need
the complex waitqueue variant. Use simple waitqueues which reduces the
@@ -211,7 +211,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
#endif
if (p->migrate_disable) {
-@@ -3130,7 +3133,10 @@ void migrate_enable(void)
+@@ -3129,7 +3132,10 @@ void migrate_enable(void)
}
#ifdef CONFIG_SCHED_DEBUG
diff --git a/debian/patches/features/all/rt/cond-resched-lock-rt-tweak.patch b/debian/patches/features/all/rt/cond-resched-lock-rt-tweak.patch
index 768cbea..a04522f 100644
--- a/debian/patches/features/all/rt/cond-resched-lock-rt-tweak.patch
+++ b/debian/patches/features/all/rt/cond-resched-lock-rt-tweak.patch
@@ -1,7 +1,7 @@
Subject: sched: Use the proper LOCK_OFFSET for cond_resched()
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 17 Jul 2011 22:51:33 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
RT does not increment preempt count when a 'sleeping' spinlock is
locked. Update PREEMPT_LOCK_OFFSET for that case.
diff --git a/debian/patches/features/all/rt/cond-resched-softirq-rt.patch b/debian/patches/features/all/rt/cond-resched-softirq-rt.patch
index ea776c8..e1095db 100644
--- a/debian/patches/features/all/rt/cond-resched-softirq-rt.patch
+++ b/debian/patches/features/all/rt/cond-resched-softirq-rt.patch
@@ -1,7 +1,7 @@
Subject: sched: Take RT softirq semantics into account in cond_resched()
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 14 Jul 2011 09:56:44 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The softirq semantics work different on -RT. There is no SOFTIRQ_MASK in
the preemption counter which leads to the BUG_ON() statement in
@@ -16,7 +16,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -2986,12 +2986,16 @@ extern int __cond_resched_lock(spinlock_
+@@ -2987,12 +2987,16 @@ extern int __cond_resched_lock(spinlock_
__cond_resched_lock(lock); \
})
@@ -35,7 +35,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
{
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
-@@ -4771,6 +4771,7 @@ int __cond_resched_lock(spinlock_t *lock
+@@ -4770,6 +4770,7 @@ int __cond_resched_lock(spinlock_t *lock
}
EXPORT_SYMBOL(__cond_resched_lock);
@@ -43,7 +43,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
int __sched __cond_resched_softirq(void)
{
BUG_ON(!in_softirq());
-@@ -4784,6 +4785,7 @@ int __sched __cond_resched_softirq(void)
+@@ -4783,6 +4784,7 @@ int __sched __cond_resched_softirq(void)
return 0;
}
EXPORT_SYMBOL(__cond_resched_softirq);
diff --git a/debian/patches/features/all/rt/cpu-hotplug-Document-why-PREEMPT_RT-uses-a-spinlock.patch b/debian/patches/features/all/rt/cpu-hotplug-Document-why-PREEMPT_RT-uses-a-spinlock.patch
index 810ef1e..7754cd3 100644
--- a/debian/patches/features/all/rt/cpu-hotplug-Document-why-PREEMPT_RT-uses-a-spinlock.patch
+++ b/debian/patches/features/all/rt/cpu-hotplug-Document-why-PREEMPT_RT-uses-a-spinlock.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt at goodmis.org>
Date: Thu, 5 Dec 2013 09:16:52 -0500
Subject: cpu hotplug: Document why PREEMPT_RT uses a spinlock
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The patch:
diff --git a/debian/patches/features/all/rt/cpu-rt-make-hotplug-lock-a-sleeping-spinlock-on-rt.patch b/debian/patches/features/all/rt/cpu-rt-make-hotplug-lock-a-sleeping-spinlock-on-rt.patch
index 697cdf8..c39b5ee 100644
--- a/debian/patches/features/all/rt/cpu-rt-make-hotplug-lock-a-sleeping-spinlock-on-rt.patch
+++ b/debian/patches/features/all/rt/cpu-rt-make-hotplug-lock-a-sleeping-spinlock-on-rt.patch
@@ -1,7 +1,7 @@
Subject: cpu: Make hotplug.lock a "sleeping" spinlock on RT
From: Steven Rostedt <rostedt at goodmis.org>
Date: Fri, 02 Mar 2012 10:36:57 -0500
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Tasks can block on hotplug.lock in pin_current_cpu(), but their state
might be != RUNNING. So the mutex wakeup will set the state
diff --git a/debian/patches/features/all/rt/cpu-rt-rework-cpu-down.patch b/debian/patches/features/all/rt/cpu-rt-rework-cpu-down.patch
index 7c03829..775c685 100644
--- a/debian/patches/features/all/rt/cpu-rt-rework-cpu-down.patch
+++ b/debian/patches/features/all/rt/cpu-rt-rework-cpu-down.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <srostedt at redhat.com>
Date: Mon, 16 Jul 2012 08:07:43 +0000
Subject: cpu/rt: Rework cpu down for PREEMPT_RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Bringing a CPU down is a pain with the PREEMPT_RT kernel because
tasks can be preempted in many more places than in non-RT. In
@@ -52,12 +52,12 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
---
include/linux/sched.h | 7 +
kernel/cpu.c | 240 ++++++++++++++++++++++++++++++++++++++++----------
- kernel/sched/core.c | 82 ++++++++++++++++-
- 3 files changed, 283 insertions(+), 46 deletions(-)
+ kernel/sched/core.c | 78 ++++++++++++++++
+ 3 files changed, 281 insertions(+), 44 deletions(-)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -2287,6 +2287,10 @@ extern void do_set_cpus_allowed(struct t
+@@ -2288,6 +2288,10 @@ extern void do_set_cpus_allowed(struct t
extern int set_cpus_allowed_ptr(struct task_struct *p,
const struct cpumask *new_mask);
@@ -68,7 +68,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
#else
static inline void do_set_cpus_allowed(struct task_struct *p,
const struct cpumask *new_mask)
-@@ -2299,6 +2303,9 @@ static inline int set_cpus_allowed_ptr(s
+@@ -2300,6 +2304,9 @@ static inline int set_cpus_allowed_ptr(s
return -EINVAL;
return 0;
}
@@ -528,21 +528,3 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
/*
* Change a given task's CPU affinity. Migrate the thread to a
* proper CPU and schedule it away if the CPU it's executing on
-@@ -3044,7 +3122,7 @@ void migrate_disable(void)
- {
- struct task_struct *p = current;
-
-- if (in_atomic() || p->flags & PF_NO_SETAFFINITY) {
-+ if (in_atomic()) {
- #ifdef CONFIG_SCHED_DEBUG
- p->migrate_disable_atomic++;
- #endif
-@@ -3075,7 +3153,7 @@ void migrate_enable(void)
- {
- struct task_struct *p = current;
-
-- if (in_atomic() || p->flags & PF_NO_SETAFFINITY) {
-+ if (in_atomic()) {
- #ifdef CONFIG_SCHED_DEBUG
- p->migrate_disable_atomic--;
- #endif
diff --git a/debian/patches/features/all/rt/cpu_chill-Add-a-UNINTERRUPTIBLE-hrtimer_nanosleep.patch b/debian/patches/features/all/rt/cpu_chill-Add-a-UNINTERRUPTIBLE-hrtimer_nanosleep.patch
index dd5da94..8d05111 100644
--- a/debian/patches/features/all/rt/cpu_chill-Add-a-UNINTERRUPTIBLE-hrtimer_nanosleep.patch
+++ b/debian/patches/features/all/rt/cpu_chill-Add-a-UNINTERRUPTIBLE-hrtimer_nanosleep.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt at goodmis.org>
Date: Tue, 4 Mar 2014 12:28:32 -0500
Subject: cpu_chill: Add a UNINTERRUPTIBLE hrtimer_nanosleep
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
We hit another bug that was caused by switching cpu_chill() from
msleep() to hrtimer_nanosleep().
diff --git a/debian/patches/features/all/rt/cpu_down_move_migrate_enable_back.patch b/debian/patches/features/all/rt/cpu_down_move_migrate_enable_back.patch
index ac50ed1..11d3172 100644
--- a/debian/patches/features/all/rt/cpu_down_move_migrate_enable_back.patch
+++ b/debian/patches/features/all/rt/cpu_down_move_migrate_enable_back.patch
@@ -1,7 +1,7 @@
From: Tiejun Chen <tiejun.chen at windriver.com>
Subject: cpu_down: move migrate_enable() back
Date: Thu, 7 Nov 2013 10:06:07 +0800
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Commit 08c1ab68, "hotplug-use-migrate-disable.patch", intends to
use migrate_enable()/migrate_disable() to replace that combination
diff --git a/debian/patches/features/all/rt/cpufreq-drop-K8-s-driver-from-beeing-selected.patch b/debian/patches/features/all/rt/cpufreq-drop-K8-s-driver-from-beeing-selected.patch
index 6c01a71..b5276e6 100644
--- a/debian/patches/features/all/rt/cpufreq-drop-K8-s-driver-from-beeing-selected.patch
+++ b/debian/patches/features/all/rt/cpufreq-drop-K8-s-driver-from-beeing-selected.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Thu, 9 Apr 2015 15:23:01 +0200
Subject: cpufreq: drop K8's driver from beeing selected
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Ralf posted a picture of a backtrace from
diff --git a/debian/patches/features/all/rt/cpumask-disable-offstack-on-rt.patch b/debian/patches/features/all/rt/cpumask-disable-offstack-on-rt.patch
index 758f51d..c7cfc2a 100644
--- a/debian/patches/features/all/rt/cpumask-disable-offstack-on-rt.patch
+++ b/debian/patches/features/all/rt/cpumask-disable-offstack-on-rt.patch
@@ -1,7 +1,7 @@
Subject: cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 14 Dec 2011 01:03:49 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
We can't deal with the cpumask allocations which happen in atomic
context (see arch/x86/kernel/apic/io_apic.c) on RT right now.
diff --git a/debian/patches/features/all/rt/crypto-Reduce-preempt-disabled-regions-more-algos.patch b/debian/patches/features/all/rt/crypto-Reduce-preempt-disabled-regions-more-algos.patch
index 36cc0cc..1e78d9e 100644
--- a/debian/patches/features/all/rt/crypto-Reduce-preempt-disabled-regions-more-algos.patch
+++ b/debian/patches/features/all/rt/crypto-Reduce-preempt-disabled-regions-more-algos.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 21 Feb 2014 17:24:04 +0100
Subject: crypto: Reduce preempt disabled regions, more algos
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Don Estabrook reported
| kernel: WARNING: CPU: 2 PID: 858 at kernel/sched/core.c:2428 migrate_disable+0xed/0x100()
diff --git a/debian/patches/features/all/rt/debugobjects-rt.patch b/debian/patches/features/all/rt/debugobjects-rt.patch
index 4a2643d..75000bf 100644
--- a/debian/patches/features/all/rt/debugobjects-rt.patch
+++ b/debian/patches/features/all/rt/debugobjects-rt.patch
@@ -1,7 +1,7 @@
Subject: debugobjects: Make RT aware
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 17 Jul 2011 21:41:35 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Avoid filling the pool / allocating memory with irqs off().
diff --git a/debian/patches/features/all/rt/dm-make-rt-aware.patch b/debian/patches/features/all/rt/dm-make-rt-aware.patch
index c1215d5..5ad1d0e 100644
--- a/debian/patches/features/all/rt/dm-make-rt-aware.patch
+++ b/debian/patches/features/all/rt/dm-make-rt-aware.patch
@@ -1,7 +1,7 @@
Subject: dm: Make rt aware
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 14 Nov 2011 23:06:09 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use the BUG_ON_NORT variant for the irq_disabled() checks. RT has
interrupts legitimately enabled here as we cant deadlock against the
diff --git a/debian/patches/features/all/rt/drivers-cpuidle-coupled-fix-warning-cpuidle_coupled_.patch b/debian/patches/features/all/rt/drivers-cpuidle-coupled-fix-warning-cpuidle_coupled_.patch
index 797ea6c..e125a77 100644
--- a/debian/patches/features/all/rt/drivers-cpuidle-coupled-fix-warning-cpuidle_coupled_.patch
+++ b/debian/patches/features/all/rt/drivers-cpuidle-coupled-fix-warning-cpuidle_coupled_.patch
@@ -1,7 +1,7 @@
From: Anders Roxell <anders.roxell at linaro.org>
Date: Fri, 15 Jan 2016 20:21:12 +0100
Subject: drivers/cpuidle: coupled: fix warning cpuidle_coupled_lock
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Used multi_v7_defconfig+PREEMPT_RT_FULL=y and this caused a compilation
warning without this fix:
diff --git a/debian/patches/features/all/rt/drivers-media-vsp1_video-fix-compile-error.patch b/debian/patches/features/all/rt/drivers-media-vsp1_video-fix-compile-error.patch
index 88bce31..654eee7 100644
--- a/debian/patches/features/all/rt/drivers-media-vsp1_video-fix-compile-error.patch
+++ b/debian/patches/features/all/rt/drivers-media-vsp1_video-fix-compile-error.patch
@@ -1,7 +1,7 @@
From: Anders Roxell <anders.roxell at linaro.org>
Date: Fri, 15 Jan 2016 01:09:43 +0100
Subject: drivers/media: vsp1_video: fix compile error
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
This was found with the -RT patch enabled, but the fix should apply to
non-RT also.
diff --git a/debian/patches/features/all/rt/drivers-net-8139-disable-irq-nosync.patch b/debian/patches/features/all/rt/drivers-net-8139-disable-irq-nosync.patch
index ab4926f..38804ec 100644
--- a/debian/patches/features/all/rt/drivers-net-8139-disable-irq-nosync.patch
+++ b/debian/patches/features/all/rt/drivers-net-8139-disable-irq-nosync.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:29:24 -0500
Subject: drivers/net: Use disable_irq_nosync() in 8139too
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use disable_irq_nosync() instead of disable_irq() as this might be
called in atomic context with netpoll.
diff --git a/debian/patches/features/all/rt/drivers-net-fix-livelock-issues.patch b/debian/patches/features/all/rt/drivers-net-fix-livelock-issues.patch
index 1757c69..eea7350 100644
--- a/debian/patches/features/all/rt/drivers-net-fix-livelock-issues.patch
+++ b/debian/patches/features/all/rt/drivers-net-fix-livelock-issues.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sat, 20 Jun 2009 11:36:54 +0200
Subject: drivers/net: fix livelock issues
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Preempt-RT runs into a live lock issue with the NETDEV_TX_LOCKED micro
optimization. The reason is that the softirq thread is rescheduling
diff --git a/debian/patches/features/all/rt/drivers-net-vortex-fix-locking-issues.patch b/debian/patches/features/all/rt/drivers-net-vortex-fix-locking-issues.patch
index 166a14e..61a7e57 100644
--- a/debian/patches/features/all/rt/drivers-net-vortex-fix-locking-issues.patch
+++ b/debian/patches/features/all/rt/drivers-net-vortex-fix-locking-issues.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt at goodmis.org>
Date: Fri, 3 Jul 2009 08:30:00 -0500
Subject: drivers/net: vortex fix locking issues
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Argh, cut and paste wasn't enough...
diff --git a/debian/patches/features/all/rt/drivers-random-reduce-preempt-disabled-region.patch b/debian/patches/features/all/rt/drivers-random-reduce-preempt-disabled-region.patch
index 3cfebc6..ec05dc1 100644
--- a/debian/patches/features/all/rt/drivers-random-reduce-preempt-disabled-region.patch
+++ b/debian/patches/features/all/rt/drivers-random-reduce-preempt-disabled-region.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:29:30 -0500
Subject: drivers: random: Reduce preempt disabled region
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
No need to keep preemption disabled across the whole function.
diff --git a/debian/patches/features/all/rt/drivers-tty-fix-omap-lock-crap.patch b/debian/patches/features/all/rt/drivers-tty-fix-omap-lock-crap.patch
index 532a853..76f85f3 100644
--- a/debian/patches/features/all/rt/drivers-tty-fix-omap-lock-crap.patch
+++ b/debian/patches/features/all/rt/drivers-tty-fix-omap-lock-crap.patch
@@ -1,7 +1,7 @@
Subject: tty/serial/omap: Make the locking RT aware
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 28 Jul 2011 13:32:57 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The lock is a sleeping lock and local_irq_save() is not the
optimsation we are looking for. Redo it to make it work on -RT and
diff --git a/debian/patches/features/all/rt/drivers-tty-pl011-irq-disable-madness.patch b/debian/patches/features/all/rt/drivers-tty-pl011-irq-disable-madness.patch
index 88d6865..64e2423 100644
--- a/debian/patches/features/all/rt/drivers-tty-pl011-irq-disable-madness.patch
+++ b/debian/patches/features/all/rt/drivers-tty-pl011-irq-disable-madness.patch
@@ -1,7 +1,7 @@
Subject: tty/serial/pl011: Make the locking work on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 08 Jan 2013 21:36:51 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The lock is a sleeping lock and local_irq_save() is not the optimsation
we are looking for. Redo it to make it work on -RT and non-RT.
diff --git a/debian/patches/features/all/rt/drm-i915-drop-trace_i915_gem_ring_dispatch-onrt.patch b/debian/patches/features/all/rt/drm-i915-drop-trace_i915_gem_ring_dispatch-onrt.patch
index 1368947..6a9cc85 100644
--- a/debian/patches/features/all/rt/drm-i915-drop-trace_i915_gem_ring_dispatch-onrt.patch
+++ b/debian/patches/features/all/rt/drm-i915-drop-trace_i915_gem_ring_dispatch-onrt.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Thu, 25 Apr 2013 18:12:52 +0200
Subject: drm/i915: drop trace_i915_gem_ring_dispatch on rt
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
This tracepoint is responsible for:
diff --git a/debian/patches/features/all/rt/dump-stack-don-t-disable-preemption-during-trace.patch b/debian/patches/features/all/rt/dump-stack-don-t-disable-preemption-during-trace.patch
index e2dcc80..37ad874 100644
--- a/debian/patches/features/all/rt/dump-stack-don-t-disable-preemption-during-trace.patch
+++ b/debian/patches/features/all/rt/dump-stack-don-t-disable-preemption-during-trace.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Sun, 16 Aug 2015 14:27:50 +0200
Subject: dump stack: don't disable preemption during trace
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
I see here large latencies during a stack dump on x86. The
preempt_disable() and get_cpu() should forbid moving the task to another
diff --git a/debian/patches/features/all/rt/epoll-use-get-cpu-light.patch b/debian/patches/features/all/rt/epoll-use-get-cpu-light.patch
index b5a7b58..087c4ec 100644
--- a/debian/patches/features/all/rt/epoll-use-get-cpu-light.patch
+++ b/debian/patches/features/all/rt/epoll-use-get-cpu-light.patch
@@ -1,7 +1,7 @@
Subject: fs/epoll: Do not disable preemption on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 08 Jul 2011 16:35:35 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
ep_call_nested() takes a sleeping lock so we can't disable preemption.
The light version is enough since ep_call_nested() doesn't mind beeing
diff --git a/debian/patches/features/all/rt/fs-aio-simple-simple-work.patch b/debian/patches/features/all/rt/fs-aio-simple-simple-work.patch
index dd1a62c..cff5913 100644
--- a/debian/patches/features/all/rt/fs-aio-simple-simple-work.patch
+++ b/debian/patches/features/all/rt/fs-aio-simple-simple-work.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Mon, 16 Feb 2015 18:49:10 +0100
Subject: fs/aio: simple simple work
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
|BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:768
|in_atomic(): 1, irqs_disabled(): 0, pid: 26, name: rcuos/2
diff --git a/debian/patches/features/all/rt/fs-block-rt-support.patch b/debian/patches/features/all/rt/fs-block-rt-support.patch
index e022a32..1d2d3dd 100644
--- a/debian/patches/features/all/rt/fs-block-rt-support.patch
+++ b/debian/patches/features/all/rt/fs-block-rt-support.patch
@@ -1,7 +1,7 @@
Subject: block: Turn off warning which is bogus on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 14 Jun 2011 17:05:09 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On -RT the context is always with IRQs enabled. Ignore this warning on -RT.
diff --git a/debian/patches/features/all/rt/fs-dcache-use-cpu-chill-in-trylock-loops.patch b/debian/patches/features/all/rt/fs-dcache-use-cpu-chill-in-trylock-loops.patch
index 8e96459..08688be 100644
--- a/debian/patches/features/all/rt/fs-dcache-use-cpu-chill-in-trylock-loops.patch
+++ b/debian/patches/features/all/rt/fs-dcache-use-cpu-chill-in-trylock-loops.patch
@@ -1,7 +1,7 @@
Subject: fs: dcache: Use cpu_chill() in trylock loops
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 07 Mar 2012 21:00:34 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Retry loops on RT might loop forever when the modifying side was
preempted. Use cpu_chill() instead of cpu_relax() to let the system
diff --git a/debian/patches/features/all/rt/fs-jbd-replace-bh_state-lock.patch b/debian/patches/features/all/rt/fs-jbd-replace-bh_state-lock.patch
index e81de78..0b6b54b 100644
--- a/debian/patches/features/all/rt/fs-jbd-replace-bh_state-lock.patch
+++ b/debian/patches/features/all/rt/fs-jbd-replace-bh_state-lock.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 18 Mar 2011 10:11:25 +0100
Subject: fs: jbd/jbd2: Make state lock and journal head lock rt safe
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
bit_spin_locks break under RT.
diff --git a/debian/patches/features/all/rt/fs-jbd2-pull-your-plug-when-waiting-for-space.patch b/debian/patches/features/all/rt/fs-jbd2-pull-your-plug-when-waiting-for-space.patch
index 8bf136b..e384902 100644
--- a/debian/patches/features/all/rt/fs-jbd2-pull-your-plug-when-waiting-for-space.patch
+++ b/debian/patches/features/all/rt/fs-jbd2-pull-your-plug-when-waiting-for-space.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Mon, 17 Feb 2014 17:30:03 +0100
Subject: fs: jbd2: pull your plug when waiting for space
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Two cps in parallel managed to stall the the ext4 fs. It seems that
journal code is either waiting for locks or sleeping waiting for
diff --git a/debian/patches/features/all/rt/fs-namespace-preemption-fix.patch b/debian/patches/features/all/rt/fs-namespace-preemption-fix.patch
index b05d660..d7d5b30 100644
--- a/debian/patches/features/all/rt/fs-namespace-preemption-fix.patch
+++ b/debian/patches/features/all/rt/fs-namespace-preemption-fix.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 19 Jul 2009 08:44:27 -0500
Subject: fs: namespace preemption fix
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On RT we cannot loop with preemption disabled here as
mnt_make_readonly() might have been preempted. We can safely enable
diff --git a/debian/patches/features/all/rt/fs-ntfs-disable-interrupt-non-rt.patch b/debian/patches/features/all/rt/fs-ntfs-disable-interrupt-non-rt.patch
index 580a9cd..6b62650 100644
--- a/debian/patches/features/all/rt/fs-ntfs-disable-interrupt-non-rt.patch
+++ b/debian/patches/features/all/rt/fs-ntfs-disable-interrupt-non-rt.patch
@@ -1,7 +1,7 @@
From: Mike Galbraith <efault at gmx.de>
Date: Fri, 3 Jul 2009 08:44:12 -0500
Subject: fs: ntfs: disable interrupt only on !RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On Sat, 2007-10-27 at 11:44 +0200, Ingo Molnar wrote:
> * Nick Piggin <nickpiggin at yahoo.com.au> wrote:
diff --git a/debian/patches/features/all/rt/fs-replace-bh_uptodate_lock-for-rt.patch b/debian/patches/features/all/rt/fs-replace-bh_uptodate_lock-for-rt.patch
index 1324546..c86b24b 100644
--- a/debian/patches/features/all/rt/fs-replace-bh_uptodate_lock-for-rt.patch
+++ b/debian/patches/features/all/rt/fs-replace-bh_uptodate_lock-for-rt.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 18 Mar 2011 09:18:52 +0100
Subject: buffer_head: Replace bh_uptodate_lock for -rt
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Wrap the bit_spin_lock calls into a separate inline and add the RT
replacements with a real spinlock.
diff --git a/debian/patches/features/all/rt/ftrace-migrate-disable-tracing.patch b/debian/patches/features/all/rt/ftrace-migrate-disable-tracing.patch
index 0286cb6..199e307 100644
--- a/debian/patches/features/all/rt/ftrace-migrate-disable-tracing.patch
+++ b/debian/patches/features/all/rt/ftrace-migrate-disable-tracing.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 17 Jul 2011 21:56:42 +0200
Subject: trace: Add migrate-disabled counter to tracing output
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
---
diff --git a/debian/patches/features/all/rt/futex-requeue-pi-fix.patch b/debian/patches/features/all/rt/futex-requeue-pi-fix.patch
index b2edb5e..d775677 100644
--- a/debian/patches/features/all/rt/futex-requeue-pi-fix.patch
+++ b/debian/patches/features/all/rt/futex-requeue-pi-fix.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt at goodmis.org>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: futex: Fix bug on when a requeued RT task times out
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Requeue with timeout causes a bug with PREEMPT_RT_FULL.
diff --git a/debian/patches/features/all/rt/genirq-Add-default-affinity-mask-command-line-option.patch b/debian/patches/features/all/rt/genirq-Add-default-affinity-mask-command-line-option.patch
new file mode 100644
index 0000000..4314204
--- /dev/null
+++ b/debian/patches/features/all/rt/genirq-Add-default-affinity-mask-command-line-option.patch
@@ -0,0 +1,68 @@
+From: Thomas Gleixner <tglx at linutronix.de>
+Date: Fri, 25 May 2012 16:59:47 +0200
+Subject: genirq: Add default affinity mask command line option
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
+
+If we isolate CPUs, then we don't want random device interrupts on them. Even
+w/o the user space irq balancer enabled we can end up with irqs on non boot
+cpus and chasing newly requested interrupts is a tedious task.
+
+Allow to restrict the default irq affinity mask.
+
+Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
+Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
+---
+ Documentation/kernel-parameters.txt | 9 +++++++++
+ kernel/irq/irqdesc.c | 21 +++++++++++++++++++--
+ 2 files changed, 28 insertions(+), 2 deletions(-)
+
+--- a/Documentation/kernel-parameters.txt
++++ b/Documentation/kernel-parameters.txt
+@@ -1629,6 +1629,15 @@ bytes respectively. Such letter suffixes
+ ip= [IP_PNP]
+ See Documentation/filesystems/nfs/nfsroot.txt.
+
++ irqaffinity= [SMP] Set the default irq affinity mask
++ Format:
++ <cpu number>,...,<cpu number>
++ or
++ <cpu number>-<cpu number>
++ (must be a positive range in ascending order)
++ or a mixture
++ <cpu number>,...,<cpu number>-<cpu number>
++
+ irqfixup [HW]
+ When an interrupt is not handled search all handlers
+ for it. Intended to get systems with badly broken
+--- a/kernel/irq/irqdesc.c
++++ b/kernel/irq/irqdesc.c
+@@ -24,10 +24,27 @@
+ static struct lock_class_key irq_desc_lock_class;
+
+ #if defined(CONFIG_SMP)
++static int __init irq_affinity_setup(char *str)
++{
++ zalloc_cpumask_var(&irq_default_affinity, GFP_NOWAIT);
++ cpulist_parse(str, irq_default_affinity);
++ /*
++ * Set at least the boot cpu. We don't want to end up with
++ * bugreports caused by random comandline masks
++ */
++ cpumask_set_cpu(smp_processor_id(), irq_default_affinity);
++ return 1;
++}
++__setup("irqaffinity=", irq_affinity_setup);
++
+ static void __init init_irq_default_affinity(void)
+ {
+- alloc_cpumask_var(&irq_default_affinity, GFP_NOWAIT);
+- cpumask_setall(irq_default_affinity);
++#ifdef CONFIG_CPUMASK_OFFSTACK
++ if (!irq_default_affinity)
++ zalloc_cpumask_var(&irq_default_affinity, GFP_NOWAIT);
++#endif
++ if (cpumask_empty(irq_default_affinity))
++ cpumask_setall(irq_default_affinity);
+ }
+ #else
+ static void __init init_irq_default_affinity(void)
diff --git a/debian/patches/features/all/rt/genirq-disable-irqpoll-on-rt.patch b/debian/patches/features/all/rt/genirq-disable-irqpoll-on-rt.patch
index 66a8731..a683d8a 100644
--- a/debian/patches/features/all/rt/genirq-disable-irqpoll-on-rt.patch
+++ b/debian/patches/features/all/rt/genirq-disable-irqpoll-on-rt.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:29:57 -0500
Subject: genirq: Disable irqpoll on -rt
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Creates long latencies for no value
diff --git a/debian/patches/features/all/rt/genirq-do-not-invoke-the-affinity-callback-via-a-wor.patch b/debian/patches/features/all/rt/genirq-do-not-invoke-the-affinity-callback-via-a-wor.patch
index 3a500fb..32d608e 100644
--- a/debian/patches/features/all/rt/genirq-do-not-invoke-the-affinity-callback-via-a-wor.patch
+++ b/debian/patches/features/all/rt/genirq-do-not-invoke-the-affinity-callback-via-a-wor.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 21 Aug 2013 17:48:46 +0200
Subject: genirq: Do not invoke the affinity callback via a workqueue on RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Joe Korty reported, that __irq_set_affinity_locked() schedules a
workqueue while holding a rawlock which results in a might_sleep()
diff --git a/debian/patches/features/all/rt/genirq-force-threading.patch b/debian/patches/features/all/rt/genirq-force-threading.patch
index 59d8e27..8ad3984 100644
--- a/debian/patches/features/all/rt/genirq-force-threading.patch
+++ b/debian/patches/features/all/rt/genirq-force-threading.patch
@@ -1,7 +1,7 @@
Subject: genirq: Force interrupt thread on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 03 Apr 2011 11:57:29 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Force threaded_irqs and optimize the code (force_irqthreads) in regard
to this.
diff --git a/debian/patches/features/all/rt/hotplug-Use-set_cpus_allowed_ptr-in-sync_unplug_thre.patch b/debian/patches/features/all/rt/hotplug-Use-set_cpus_allowed_ptr-in-sync_unplug_thre.patch
index 66afb46..a6d192a 100644
--- a/debian/patches/features/all/rt/hotplug-Use-set_cpus_allowed_ptr-in-sync_unplug_thre.patch
+++ b/debian/patches/features/all/rt/hotplug-Use-set_cpus_allowed_ptr-in-sync_unplug_thre.patch
@@ -1,7 +1,7 @@
From: Mike Galbraith <umgwanakikbuti at gmail.com>
Date: Tue, 24 Mar 2015 08:14:49 +0100
Subject: hotplug: Use set_cpus_allowed_ptr() in sync_unplug_thread()
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
do_set_cpus_allowed() is not safe vs ->sched_class change.
diff --git a/debian/patches/features/all/rt/hotplug-light-get-online-cpus.patch b/debian/patches/features/all/rt/hotplug-light-get-online-cpus.patch
index ad4fab8..686aef6 100644
--- a/debian/patches/features/all/rt/hotplug-light-get-online-cpus.patch
+++ b/debian/patches/features/all/rt/hotplug-light-get-online-cpus.patch
@@ -1,7 +1,7 @@
Subject: hotplug: Lightweight get online cpus
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 15 Jun 2011 12:36:06 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
get_online_cpus() is a heavy weight function which involves a global
mutex. migrate_disable() wants a simpler construct which prevents only
diff --git a/debian/patches/features/all/rt/hotplug-sync_unplug-no-27-5cn-27-in-task-name.patch b/debian/patches/features/all/rt/hotplug-sync_unplug-no-27-5cn-27-in-task-name.patch
index 5646296..cfad64c 100644
--- a/debian/patches/features/all/rt/hotplug-sync_unplug-no-27-5cn-27-in-task-name.patch
+++ b/debian/patches/features/all/rt/hotplug-sync_unplug-no-27-5cn-27-in-task-name.patch
@@ -1,7 +1,7 @@
Subject: hotplug: sync_unplug: No "\n" in task name
From: Yong Zhang <yong.zhang0 at gmail.com>
Date: Sun, 16 Oct 2011 18:56:43 +0800
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Otherwise the output will look a little odd.
diff --git a/debian/patches/features/all/rt/hotplug-use-migrate-disable.patch b/debian/patches/features/all/rt/hotplug-use-migrate-disable.patch
index 0ca6197..ac9d1a5 100644
--- a/debian/patches/features/all/rt/hotplug-use-migrate-disable.patch
+++ b/debian/patches/features/all/rt/hotplug-use-migrate-disable.patch
@@ -1,7 +1,7 @@
Subject: hotplug: Use migrate disable on unplug
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 17 Jul 2011 19:35:29 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Migration needs to be disabled accross the unplug handling to make
sure that the unplug thread is off the unplugged cpu.
diff --git a/debian/patches/features/all/rt/hrtimer-Move-schedule_work-call-to-helper-thread.patch b/debian/patches/features/all/rt/hrtimer-Move-schedule_work-call-to-helper-thread.patch
index bdc6f66..e17cce4 100644
--- a/debian/patches/features/all/rt/hrtimer-Move-schedule_work-call-to-helper-thread.patch
+++ b/debian/patches/features/all/rt/hrtimer-Move-schedule_work-call-to-helper-thread.patch
@@ -1,7 +1,7 @@
From: Yang Shi <yang.shi at windriver.com>
Date: Mon, 16 Sep 2013 14:09:19 -0700
Subject: hrtimer: Move schedule_work call to helper thread
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
When run ltp leapsec_timer test, the following call trace is caught:
diff --git a/debian/patches/features/all/rt/hrtimer-enfore-64byte-alignment.patch b/debian/patches/features/all/rt/hrtimer-enfore-64byte-alignment.patch
index d356ca9..9ceb5ae 100644
--- a/debian/patches/features/all/rt/hrtimer-enfore-64byte-alignment.patch
+++ b/debian/patches/features/all/rt/hrtimer-enfore-64byte-alignment.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 23 Dec 2015 20:57:41 +0100
Subject: hrtimer: enfore 64byte alignment
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The patch "hrtimer: Fixup hrtimer callback changes for preempt-rt" adds
a list_head expired to struct hrtimer_clock_base and with it we run into
diff --git a/debian/patches/features/all/rt/hrtimer-fixup-hrtimer-callback-changes-for-preempt-r.patch b/debian/patches/features/all/rt/hrtimer-fixup-hrtimer-callback-changes-for-preempt-r.patch
index c63f344..ef2f16b 100644
--- a/debian/patches/features/all/rt/hrtimer-fixup-hrtimer-callback-changes-for-preempt-r.patch
+++ b/debian/patches/features/all/rt/hrtimer-fixup-hrtimer-callback-changes-for-preempt-r.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 3 Jul 2009 08:44:31 -0500
Subject: hrtimer: Fixup hrtimer callback changes for preempt-rt
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
In preempt-rt we can not call the callbacks which take sleeping locks
from the timer interrupt context.
diff --git a/debian/patches/features/all/rt/hrtimers-prepare-full-preemption.patch b/debian/patches/features/all/rt/hrtimers-prepare-full-preemption.patch
index 36dc904..92927cd 100644
--- a/debian/patches/features/all/rt/hrtimers-prepare-full-preemption.patch
+++ b/debian/patches/features/all/rt/hrtimers-prepare-full-preemption.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:29:34 -0500
Subject: hrtimers: Prepare full preemption
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Make cancellation of a running callback in softirq context safe
against preemption.
diff --git a/debian/patches/features/all/rt/hwlat-detector-Don-t-ignore-threshold-module-paramet.patch b/debian/patches/features/all/rt/hwlat-detector-Don-t-ignore-threshold-module-paramet.patch
index 8f53140..73882a3 100644
--- a/debian/patches/features/all/rt/hwlat-detector-Don-t-ignore-threshold-module-paramet.patch
+++ b/debian/patches/features/all/rt/hwlat-detector-Don-t-ignore-threshold-module-paramet.patch
@@ -1,7 +1,7 @@
From: Mike Galbraith <bitbucket at online.de>
Date: Fri, 30 Aug 2013 07:57:25 +0200
Subject: hwlat-detector: Don't ignore threshold module parameter
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
If the user specified a threshold at module load time, use it.
diff --git a/debian/patches/features/all/rt/hwlat-detector-Update-hwlat_detector-to-add-outer-lo.patch b/debian/patches/features/all/rt/hwlat-detector-Update-hwlat_detector-to-add-outer-lo.patch
index 7da25de..fc30973 100644
--- a/debian/patches/features/all/rt/hwlat-detector-Update-hwlat_detector-to-add-outer-lo.patch
+++ b/debian/patches/features/all/rt/hwlat-detector-Update-hwlat_detector-to-add-outer-lo.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt at goodmis.org>
Date: Mon, 19 Aug 2013 17:33:25 -0400
Subject: hwlat-detector: Update hwlat_detector to add outer loop detection
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The hwlat_detector reads two timestamps in a row, then reports any
gap between those calls. The problem is, it misses everything between
diff --git a/debian/patches/features/all/rt/hwlat-detector-Use-thread-instead-of-stop-machine.patch b/debian/patches/features/all/rt/hwlat-detector-Use-thread-instead-of-stop-machine.patch
index 2f3ec57..3689dcb 100644
--- a/debian/patches/features/all/rt/hwlat-detector-Use-thread-instead-of-stop-machine.patch
+++ b/debian/patches/features/all/rt/hwlat-detector-Use-thread-instead-of-stop-machine.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt at goodmis.org>
Date: Mon, 19 Aug 2013 17:33:27 -0400
Subject: hwlat-detector: Use thread instead of stop machine
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
There's no reason to use stop machine to search for hardware latency.
Simply disabling interrupts while running the loop will do enough to
diff --git a/debian/patches/features/all/rt/hwlat-detector-Use-trace_clock_local-if-available.patch b/debian/patches/features/all/rt/hwlat-detector-Use-trace_clock_local-if-available.patch
index 5661ff1..7acf5e5 100644
--- a/debian/patches/features/all/rt/hwlat-detector-Use-trace_clock_local-if-available.patch
+++ b/debian/patches/features/all/rt/hwlat-detector-Use-trace_clock_local-if-available.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt at goodmis.org>
Date: Mon, 19 Aug 2013 17:33:26 -0400
Subject: hwlat-detector: Use trace_clock_local if available
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
As ktime_get() calls into the timing code which does a read_seq(), it
may be affected by other CPUS that touch that lock. To remove this
diff --git a/debian/patches/features/all/rt/hwlatdetect.patch b/debian/patches/features/all/rt/hwlatdetect.patch
index 43f1c8e..ac3fe54 100644
--- a/debian/patches/features/all/rt/hwlatdetect.patch
+++ b/debian/patches/features/all/rt/hwlatdetect.patch
@@ -1,7 +1,7 @@
Subject: hwlatdetect.patch
From: Carsten Emde <C.Emde at osadl.org>
Date: Tue, 19 Jul 2011 13:53:12 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Jon Masters developed this wonderful SMI detector. For details please
consult Documentation/hwlat_detector.txt. It could be ported to Linux
diff --git a/debian/patches/features/all/rt/i2c-omap-drop-the-lock-hard-irq-context.patch b/debian/patches/features/all/rt/i2c-omap-drop-the-lock-hard-irq-context.patch
index dd7847e..83a0348 100644
--- a/debian/patches/features/all/rt/i2c-omap-drop-the-lock-hard-irq-context.patch
+++ b/debian/patches/features/all/rt/i2c-omap-drop-the-lock-hard-irq-context.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Thu, 21 Mar 2013 11:35:49 +0100
Subject: i2c/omap: drop the lock hard irq context
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The lock is taken while reading two registers. On RT the first lock is
taken in hard irq where it might sleep and in the threaded irq.
diff --git a/debian/patches/features/all/rt/i915-bogus-warning-from-i915-when-running-on-PREEMPT.patch b/debian/patches/features/all/rt/i915-bogus-warning-from-i915-when-running-on-PREEMPT.patch
index e111f77..cdaef85 100644
--- a/debian/patches/features/all/rt/i915-bogus-warning-from-i915-when-running-on-PREEMPT.patch
+++ b/debian/patches/features/all/rt/i915-bogus-warning-from-i915-when-running-on-PREEMPT.patch
@@ -1,7 +1,7 @@
From: Clark Williams <williams at redhat.com>
Date: Tue, 26 May 2015 10:43:43 -0500
Subject: i915: bogus warning from i915 when running on PREEMPT_RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The i915 driver has a 'WARN_ON(!in_interrupt())' in the display
handler, which whines constanly on the RT kernel (since the interrupt
diff --git a/debian/patches/features/all/rt/i915_compile_fix.patch b/debian/patches/features/all/rt/i915_compile_fix.patch
index a1e2db4..2cd234a 100644
--- a/debian/patches/features/all/rt/i915_compile_fix.patch
+++ b/debian/patches/features/all/rt/i915_compile_fix.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: gpu/i915: don't open code these things
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The opencode part is gone in 1f83fee0 ("drm/i915: clear up wedged transitions")
the owner check is still there.
diff --git a/debian/patches/features/all/rt/ide-use-nort-local-irq-variants.patch b/debian/patches/features/all/rt/ide-use-nort-local-irq-variants.patch
index 51f7570..bac0c1c 100644
--- a/debian/patches/features/all/rt/ide-use-nort-local-irq-variants.patch
+++ b/debian/patches/features/all/rt/ide-use-nort-local-irq-variants.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:30:16 -0500
Subject: ide: Do not disable interrupts for PREEMPT-RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use the local_irq_*_nort variants.
diff --git a/debian/patches/features/all/rt/idr-use-local-lock-for-protection.patch b/debian/patches/features/all/rt/idr-use-local-lock-for-protection.patch
index aa9062b..45124b9 100644
--- a/debian/patches/features/all/rt/idr-use-local-lock-for-protection.patch
+++ b/debian/patches/features/all/rt/idr-use-local-lock-for-protection.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: idr: Use local lock instead of preempt enable/disable
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
We need to protect the per cpu variable and prevent migration.
diff --git a/debian/patches/features/all/rt/infiniband-mellanox-ib-use-nort-irq.patch b/debian/patches/features/all/rt/infiniband-mellanox-ib-use-nort-irq.patch
index 7a8f40c..70eeab4 100644
--- a/debian/patches/features/all/rt/infiniband-mellanox-ib-use-nort-irq.patch
+++ b/debian/patches/features/all/rt/infiniband-mellanox-ib-use-nort-irq.patch
@@ -1,7 +1,7 @@
From: Sven-Thorsten Dietrich <sdietrich at novell.com>
Date: Fri, 3 Jul 2009 08:30:35 -0500
Subject: infiniband: Mellanox IB driver patch use _nort() primitives
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Fixes in_atomic stack-dump, when Mellanox module is loaded into the RT
Kernel.
diff --git a/debian/patches/features/all/rt/inpt-gameport-use-local-irq-nort.patch b/debian/patches/features/all/rt/inpt-gameport-use-local-irq-nort.patch
index 85157f7..eeac412 100644
--- a/debian/patches/features/all/rt/inpt-gameport-use-local-irq-nort.patch
+++ b/debian/patches/features/all/rt/inpt-gameport-use-local-irq-nort.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:30:16 -0500
Subject: input: gameport: Do not disable interrupts on PREEMPT_RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use the _nort() primitives.
diff --git a/debian/patches/features/all/rt/introduce_migrate_disable_cpu_light.patch b/debian/patches/features/all/rt/introduce_migrate_disable_cpu_light.patch
index 61f6295..7e4c4f4 100644
--- a/debian/patches/features/all/rt/introduce_migrate_disable_cpu_light.patch
+++ b/debian/patches/features/all/rt/introduce_migrate_disable_cpu_light.patch
@@ -1,7 +1,7 @@
Subject: Intrduce migrate_disable() + cpu_light()
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 17 Jun 2011 15:42:38 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Introduce migrate_disable(). The task can't be pushed to another CPU but can
be preempted.
@@ -33,12 +33,12 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
---
include/linux/cpu.h | 3 ++
include/linux/preempt.h | 9 ++++++
- include/linux/sched.h | 39 ++++++++++++++++++++------
+ include/linux/sched.h | 39 +++++++++++++++++++++-----
include/linux/smp.h | 3 ++
- kernel/sched/core.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++-
+ kernel/sched/core.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++-
kernel/sched/debug.c | 7 ++++
lib/smp_processor_id.c | 5 ++-
- 7 files changed, 126 insertions(+), 11 deletions(-)
+ 7 files changed, 125 insertions(+), 11 deletions(-)
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -77,7 +77,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
#ifdef CONFIG_PREEMPT_NOTIFIERS
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1413,6 +1413,12 @@ struct task_struct {
+@@ -1414,6 +1414,12 @@ struct task_struct {
#endif
unsigned int policy;
@@ -90,7 +90,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
int nr_cpus_allowed;
cpumask_t cpus_allowed;
-@@ -1837,14 +1843,6 @@ extern int arch_task_struct_size __read_
+@@ -1838,14 +1844,6 @@ extern int arch_task_struct_size __read_
# define arch_task_struct_size (sizeof(struct task_struct))
#endif
@@ -105,7 +105,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
#define TNF_MIGRATED 0x01
#define TNF_NO_GROUP 0x02
#define TNF_SHARED 0x04
-@@ -3121,6 +3119,31 @@ static inline void set_task_cpu(struct t
+@@ -3122,6 +3120,31 @@ static inline void set_task_cpu(struct t
#endif /* CONFIG_SMP */
@@ -172,7 +172,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
goto out;
dest_cpu = cpumask_any_and(cpu_active_mask, new_mask);
-@@ -3022,6 +3027,70 @@ static inline void schedule_debug(struct
+@@ -3022,6 +3027,69 @@ static inline void schedule_debug(struct
schedstat_inc(this_rq(), sched_count);
}
@@ -182,7 +182,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
+{
+ struct task_struct *p = current;
+
-+ if (in_atomic() || p->flags & PF_NO_SETAFFINITY) {
++ if (in_atomic()) {
+#ifdef CONFIG_SCHED_DEBUG
+ p->migrate_disable_atomic++;
+#endif
@@ -201,7 +201,6 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
+ preempt_disable();
+ pin_current_cpu();
+ p->migrate_disable = 1;
-+ p->nr_cpus_allowed = 1;
+ preempt_enable();
+}
+EXPORT_SYMBOL(migrate_disable);
@@ -210,7 +209,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
+{
+ struct task_struct *p = current;
+
-+ if (in_atomic() || p->flags & PF_NO_SETAFFINITY) {
++ if (in_atomic()) {
+#ifdef CONFIG_SCHED_DEBUG
+ p->migrate_disable_atomic--;
+#endif
diff --git a/debian/patches/features/all/rt/ipc-msg-Implement-lockless-pipelined-wakeups.patch b/debian/patches/features/all/rt/ipc-msg-Implement-lockless-pipelined-wakeups.patch
index ee98ab9..ec8af0e 100644
--- a/debian/patches/features/all/rt/ipc-msg-Implement-lockless-pipelined-wakeups.patch
+++ b/debian/patches/features/all/rt/ipc-msg-Implement-lockless-pipelined-wakeups.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 30 Oct 2015 11:59:07 +0100
Subject: ipc/msg: Implement lockless pipelined wakeups
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
This patch moves the wakeup_process() invocation so it is not done under
the perm->lock by making use of a lockless wake_q. With this change, the
diff --git a/debian/patches/features/all/rt/ipc-sem-rework-semaphore-wakeups.patch b/debian/patches/features/all/rt/ipc-sem-rework-semaphore-wakeups.patch
index 32a5b87..d4db346 100644
--- a/debian/patches/features/all/rt/ipc-sem-rework-semaphore-wakeups.patch
+++ b/debian/patches/features/all/rt/ipc-sem-rework-semaphore-wakeups.patch
@@ -1,7 +1,7 @@
Subject: ipc/sem: Rework semaphore wakeups
From: Peter Zijlstra <peterz at infradead.org>
Date: Wed, 14 Sep 2011 11:57:04 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Current sysv sems have a weird ass wakeup scheme that involves keeping
preemption disabled over a potential O(n^2) loop and busy waiting on
diff --git a/debian/patches/features/all/rt/irq-allow-disabling-of-softirq-processing-in-irq-thread-context.patch b/debian/patches/features/all/rt/irq-allow-disabling-of-softirq-processing-in-irq-thread-context.patch
index bae5388..1d0838d 100644
--- a/debian/patches/features/all/rt/irq-allow-disabling-of-softirq-processing-in-irq-thread-context.patch
+++ b/debian/patches/features/all/rt/irq-allow-disabling-of-softirq-processing-in-irq-thread-context.patch
@@ -1,7 +1,7 @@
Subject: genirq: Allow disabling of softirq processing in irq thread context
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 31 Jan 2012 13:01:27 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The processing of softirqs in irq thread context is a performance gain
for the non-rt workloads of a system, but it's counterproductive for
diff --git a/debian/patches/features/all/rt/irqwork-Move-irq-safe-work-to-irq-context.patch b/debian/patches/features/all/rt/irqwork-Move-irq-safe-work-to-irq-context.patch
index 387cf01..14720b8 100644
--- a/debian/patches/features/all/rt/irqwork-Move-irq-safe-work-to-irq-context.patch
+++ b/debian/patches/features/all/rt/irqwork-Move-irq-safe-work-to-irq-context.patch
@@ -1,7 +1,7 @@
Subject: irqwork: Move irq safe work to irq context
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 15 Nov 2015 18:40:17 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On architectures where arch_irq_work_has_interrupt() returns false, we
end up running the irq safe work from the softirq context. That
diff --git a/debian/patches/features/all/rt/irqwork-push_most_work_into_softirq_context.patch b/debian/patches/features/all/rt/irqwork-push_most_work_into_softirq_context.patch
index 44f11f7..b416f20 100644
--- a/debian/patches/features/all/rt/irqwork-push_most_work_into_softirq_context.patch
+++ b/debian/patches/features/all/rt/irqwork-push_most_work_into_softirq_context.patch
@@ -1,7 +1,7 @@
Subject: irqwork: push most work into softirq context
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Tue, 23 Jun 2015 15:32:51 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Initially we defered all irqwork into softirq because we didn't want the
latency spikes if perf or another user was busy and delayed the RT task.
diff --git a/debian/patches/features/all/rt/jump-label-rt.patch b/debian/patches/features/all/rt/jump-label-rt.patch
index a101042..ca0ef11 100644
--- a/debian/patches/features/all/rt/jump-label-rt.patch
+++ b/debian/patches/features/all/rt/jump-label-rt.patch
@@ -1,7 +1,7 @@
Subject: jump-label: disable if stop_machine() is used
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 08 Jul 2015 17:14:48 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Some architectures are using stop_machine() while switching the opcode which
leads to latency spikes.
diff --git a/debian/patches/features/all/rt/kconfig-disable-a-few-options-rt.patch b/debian/patches/features/all/rt/kconfig-disable-a-few-options-rt.patch
index 5e3ae17..a97425b 100644
--- a/debian/patches/features/all/rt/kconfig-disable-a-few-options-rt.patch
+++ b/debian/patches/features/all/rt/kconfig-disable-a-few-options-rt.patch
@@ -1,7 +1,7 @@
Subject: kconfig: Disable config options which are not RT compatible
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 24 Jul 2011 12:11:43 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Disable stuff which is known to have issues on RT
diff --git a/debian/patches/features/all/rt/kconfig-preempt-rt-full.patch b/debian/patches/features/all/rt/kconfig-preempt-rt-full.patch
index 274f7c5..7c44ed1 100644
--- a/debian/patches/features/all/rt/kconfig-preempt-rt-full.patch
+++ b/debian/patches/features/all/rt/kconfig-preempt-rt-full.patch
@@ -1,7 +1,7 @@
Subject: kconfig: Add PREEMPT_RT_FULL
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 29 Jun 2011 14:58:57 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Introduce the final symbol for PREEMPT_RT_FULL.
diff --git a/debian/patches/features/all/rt/kernel-SRCU-provide-a-static-initializer.patch b/debian/patches/features/all/rt/kernel-SRCU-provide-a-static-initializer.patch
index e78fe94..4a590af 100644
--- a/debian/patches/features/all/rt/kernel-SRCU-provide-a-static-initializer.patch
+++ b/debian/patches/features/all/rt/kernel-SRCU-provide-a-static-initializer.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Tue, 19 Mar 2013 14:44:30 +0100
Subject: kernel/SRCU: provide a static initializer
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
There are macros for static initializer for the three out of four
possible notifier types, that are:
diff --git a/debian/patches/features/all/rt/kernel-cpu-fix-cpu-down-problem-if-kthread-s-cpu-is-.patch b/debian/patches/features/all/rt/kernel-cpu-fix-cpu-down-problem-if-kthread-s-cpu-is-.patch
index 41ef702..a95325d 100644
--- a/debian/patches/features/all/rt/kernel-cpu-fix-cpu-down-problem-if-kthread-s-cpu-is-.patch
+++ b/debian/patches/features/all/rt/kernel-cpu-fix-cpu-down-problem-if-kthread-s-cpu-is-.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 7 Jun 2013 22:37:06 +0200
Subject: kernel/cpu: fix cpu down problem if kthread's cpu is going down
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
If kthread is pinned to CPUx and CPUx is going down then we get into
trouble:
diff --git a/debian/patches/features/all/rt/kernel-hotplug-restore-original-cpu-mask-oncpu-down.patch b/debian/patches/features/all/rt/kernel-hotplug-restore-original-cpu-mask-oncpu-down.patch
index e9d2265..3458fae 100644
--- a/debian/patches/features/all/rt/kernel-hotplug-restore-original-cpu-mask-oncpu-down.patch
+++ b/debian/patches/features/all/rt/kernel-hotplug-restore-original-cpu-mask-oncpu-down.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 14 Jun 2013 17:16:35 +0200
Subject: kernel/hotplug: restore original cpu mask oncpu/down
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
If a task which is allowed to run only on CPU X puts CPU Y down then it
will be allowed on all CPUs but the on CPU Y after it comes back from
diff --git a/debian/patches/features/all/rt/kernel-perf-mark-perf_cpu_context-s-timer-as-irqsafe.patch b/debian/patches/features/all/rt/kernel-perf-mark-perf_cpu_context-s-timer-as-irqsafe.patch
new file mode 100644
index 0000000..afa8e80
--- /dev/null
+++ b/debian/patches/features/all/rt/kernel-perf-mark-perf_cpu_context-s-timer-as-irqsafe.patch
@@ -0,0 +1,26 @@
+From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
+Date: Thu, 4 Feb 2016 16:38:10 +0100
+Subject: [PATCH] kernel/perf: mark perf_cpu_context's timer as irqsafe
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
+
+Otherwise we get a WARN_ON() backtrace and some events are reported as
+"not counted".
+
+Cc: stable-rt at vger.kernel.org
+Reported-by: Yang Shi <yang.shi at linaro.org>
+Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
+---
+ kernel/events/core.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/kernel/events/core.c b/kernel/events/core.c
+--- a/kernel/events/core.c
++++ b/kernel/events/core.c
+@@ -802,6 +802,7 @@ static void __perf_mux_hrtimer_init(struct perf_cpu_context *cpuctx, int cpu)
+ raw_spin_lock_init(&cpuctx->hrtimer_lock);
+ hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED);
+ timer->function = perf_mux_hrtimer_handler;
++ timer->irqsafe = 1;
+ }
+
+ static int perf_mux_hrtimer_restart(struct perf_cpu_context *cpuctx)
diff --git a/debian/patches/features/all/rt/kgb-serial-hackaround.patch b/debian/patches/features/all/rt/kgb-serial-hackaround.patch
index 111b050..7c6ae67 100644
--- a/debian/patches/features/all/rt/kgb-serial-hackaround.patch
+++ b/debian/patches/features/all/rt/kgb-serial-hackaround.patch
@@ -1,7 +1,7 @@
From: Jason Wessel <jason.wessel at windriver.com>
Date: Thu, 28 Jul 2011 12:42:23 -0500
Subject: kgdb/serial: Short term workaround
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On 07/27/2011 04:37 PM, Thomas Gleixner wrote:
> - KGDB (not yet disabled) is reportedly unusable on -rt right now due
diff --git a/debian/patches/features/all/rt/latency-hist.patch b/debian/patches/features/all/rt/latency-hist.patch
index 19b1728..6371f8a 100644
--- a/debian/patches/features/all/rt/latency-hist.patch
+++ b/debian/patches/features/all/rt/latency-hist.patch
@@ -1,7 +1,7 @@
Subject: tracing: Add latency histograms
From: Carsten Emde <C.Emde at osadl.org>
Date: Tue, 19 Jul 2011 14:03:41 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
This patch provides a recording mechanism to store data of potential
sources of system latencies. The recordings separately determine the
@@ -237,7 +237,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
void *start_site;
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1795,6 +1795,12 @@ struct task_struct {
+@@ -1796,6 +1796,12 @@ struct task_struct {
unsigned long trace;
/* bitmask and counter of trace recursion */
unsigned long trace_recursion;
diff --git a/debian/patches/features/all/rt/latency_hist-update-sched_wakeup-probe.patch b/debian/patches/features/all/rt/latency_hist-update-sched_wakeup-probe.patch
index 8ce5665..62487b8 100644
--- a/debian/patches/features/all/rt/latency_hist-update-sched_wakeup-probe.patch
+++ b/debian/patches/features/all/rt/latency_hist-update-sched_wakeup-probe.patch
@@ -1,7 +1,7 @@
Subject: latency_hist: Update sched_wakeup probe
From: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
Date: Sun, 25 Oct 2015 18:06:05 -0400
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
"sched: Introduce the 'trace_sched_waking' tracepoint" introduces a
prototype change for the sched_wakeup probe: the "success" argument is
diff --git a/debian/patches/features/all/rt/latencyhist-disable-jump-labels.patch b/debian/patches/features/all/rt/latencyhist-disable-jump-labels.patch
new file mode 100644
index 0000000..b86d47a
--- /dev/null
+++ b/debian/patches/features/all/rt/latencyhist-disable-jump-labels.patch
@@ -0,0 +1,62 @@
+From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
+Date: Thu, 4 Feb 2016 14:08:06 +0100
+Subject: latencyhist: disable jump-labels
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
+
+Atleast on X86 we die a recursive death
+
+|CPU: 3 PID: 585 Comm: bash Not tainted 4.4.1-rt4+ #198
+|Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS Debian-1.8.2-1 04/01/2014
+|task: ffff88007ab4cd00 ti: ffff88007ab94000 task.ti: ffff88007ab94000
+|RIP: 0010:[<ffffffff81684870>] [<ffffffff81684870>] int3+0x0/0x10
+|RSP: 0018:ffff88013c107fd8 EFLAGS: 00010082
+|RAX: ffff88007ab4cd00 RBX: ffffffff8100ceab RCX: 0000000080202001
+|RDX: 0000000000000000 RSI: ffffffff8100ceab RDI: ffffffff810c78b2
+|RBP: ffff88007ab97c10 R08: ffffffffff57b000 R09: 0000000000000000
+|R10: ffff88013bb64790 R11: ffff88007ab4cd68 R12: ffffffff8100ceab
+|R13: ffffffff810c78b2 R14: ffffffff810f8158 R15: ffffffff810f9120
+|FS: 0000000000000000(0000) GS:ffff88013c100000(0063) knlGS:00000000f74e3940
+|CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
+|CR2: 0000000008cf6008 CR3: 000000013b169000 CR4: 00000000000006e0
+|Call Trace:
+| <#DB>
+| [<ffffffff810f8158>] ? trace_preempt_off+0x18/0x170
+| <<EOE>>
+| [<ffffffff81077745>] preempt_count_add+0xa5/0xc0
+| [<ffffffff810c78b2>] on_each_cpu+0x22/0x90
+| [<ffffffff8100ceab>] text_poke_bp+0x5b/0xc0
+| [<ffffffff8100a29c>] arch_jump_label_transform+0x8c/0xf0
+| [<ffffffff8111c77c>] __jump_label_update+0x6c/0x80
+| [<ffffffff8111c83a>] jump_label_update+0xaa/0xc0
+| [<ffffffff8111ca54>] static_key_slow_inc+0x94/0xa0
+| [<ffffffff810e0d8d>] tracepoint_probe_register_prio+0x26d/0x2c0
+| [<ffffffff810e0df3>] tracepoint_probe_register+0x13/0x20
+| [<ffffffff810fca78>] trace_event_reg+0x98/0xd0
+| [<ffffffff810fcc8b>] __ftrace_event_enable_disable+0x6b/0x180
+| [<ffffffff810fd5b8>] event_enable_write+0x78/0xc0
+| [<ffffffff8117a768>] __vfs_write+0x28/0xe0
+| [<ffffffff8117b025>] vfs_write+0xa5/0x180
+| [<ffffffff8117bb76>] SyS_write+0x46/0xa0
+| [<ffffffff81002c91>] do_fast_syscall_32+0xa1/0x1d0
+| [<ffffffff81684d57>] sysenter_flags_fixed+0xd/0x17
+
+during
+ echo 1 > /sys/kernel/debug/tracing/events/hist/preemptirqsoff_hist/enable
+
+Reported-By: Christoph Mathys <eraserix at gmail.com>
+Cc: stable-rt at vger.kernel.org
+Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
+---
+ arch/Kconfig | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/arch/Kconfig
++++ b/arch/Kconfig
+@@ -52,6 +52,7 @@ config KPROBES
+ config JUMP_LABEL
+ bool "Optimize very unlikely/likely branches"
+ depends on HAVE_ARCH_JUMP_LABEL
++ depends on (!INTERRUPT_OFF_HIST && !PREEMPT_OFF_HIST && !WAKEUP_LATENCY_HIST && !MISSED_TIMER_OFFSETS_HIST)
+ help
+ This option enables a transparent branch optimization that
+ makes certain almost-always-true or almost-always-false branch
diff --git a/debian/patches/features/all/rt/leds-trigger-disable-CPU-trigger-on-RT.patch b/debian/patches/features/all/rt/leds-trigger-disable-CPU-trigger-on-RT.patch
index 0de136c..f2a5b6e 100644
--- a/debian/patches/features/all/rt/leds-trigger-disable-CPU-trigger-on-RT.patch
+++ b/debian/patches/features/all/rt/leds-trigger-disable-CPU-trigger-on-RT.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Thu, 23 Jan 2014 14:45:59 +0100
Subject: leds: trigger: disable CPU trigger on -RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
as it triggers:
|CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.8-rt10 #141
diff --git a/debian/patches/features/all/rt/lglocks-rt.patch b/debian/patches/features/all/rt/lglocks-rt.patch
index 91044ad..3ec6622 100644
--- a/debian/patches/features/all/rt/lglocks-rt.patch
+++ b/debian/patches/features/all/rt/lglocks-rt.patch
@@ -1,7 +1,7 @@
Subject: lglocks: Provide a RT safe variant
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 15 Jun 2011 11:02:21 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
lglocks by itself will spin in order to get the lock. This will end up
badly if a task with the highest priority keeps spinning while a task
diff --git a/debian/patches/features/all/rt/list_bl.h-make-list-head-locking-RT-safe.patch b/debian/patches/features/all/rt/list_bl.h-make-list-head-locking-RT-safe.patch
index cf98e37..e78a8fa 100644
--- a/debian/patches/features/all/rt/list_bl.h-make-list-head-locking-RT-safe.patch
+++ b/debian/patches/features/all/rt/list_bl.h-make-list-head-locking-RT-safe.patch
@@ -1,7 +1,7 @@
From: Paul Gortmaker <paul.gortmaker at windriver.com>
Date: Fri, 21 Jun 2013 15:07:25 -0400
Subject: list_bl: Make list head locking RT safe
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
As per changes in include/linux/jbd_common.h for avoiding the
bit_spin_locks on RT ("fs: jbd/jbd2: Make state lock and journal
diff --git a/debian/patches/features/all/rt/local-irq-rt-depending-variants.patch b/debian/patches/features/all/rt/local-irq-rt-depending-variants.patch
index cc67faa..9eefd2f 100644
--- a/debian/patches/features/all/rt/local-irq-rt-depending-variants.patch
+++ b/debian/patches/features/all/rt/local-irq-rt-depending-variants.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 21 Jul 2009 22:34:14 +0200
Subject: rt: local_irq_* variants depending on RT/!RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Add local_irq_*_(no)rt variant which are mainly used to break
interrupt disabled sections on PREEMPT_RT or to explicitely disable
diff --git a/debian/patches/features/all/rt/localversion.patch b/debian/patches/features/all/rt/localversion.patch
index c40026c..9b05466 100644
--- a/debian/patches/features/all/rt/localversion.patch
+++ b/debian/patches/features/all/rt/localversion.patch
@@ -1,7 +1,7 @@
-Subject: v4.4-rt3
+Subject: v4.4.1-rt5
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 08 Jul 2011 20:25:16 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
---
@@ -11,4 +11,4 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- /dev/null
+++ b/localversion-rt
@@ -0,0 +1 @@
-+-rt3
++-rt5
diff --git a/debian/patches/features/all/rt/lockdep-no-softirq-accounting-on-rt.patch b/debian/patches/features/all/rt/lockdep-no-softirq-accounting-on-rt.patch
index 98548d0..57d1189 100644
--- a/debian/patches/features/all/rt/lockdep-no-softirq-accounting-on-rt.patch
+++ b/debian/patches/features/all/rt/lockdep-no-softirq-accounting-on-rt.patch
@@ -1,7 +1,7 @@
Subject: lockdep: Make it RT aware
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 17 Jul 2011 18:51:23 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
teach lockdep that we don't really do softirqs on -RT.
diff --git a/debian/patches/features/all/rt/lockdep-selftest-fix-warnings-due-to-missing-PREEMPT.patch b/debian/patches/features/all/rt/lockdep-selftest-fix-warnings-due-to-missing-PREEMPT.patch
index 1892d32..be66315 100644
--- a/debian/patches/features/all/rt/lockdep-selftest-fix-warnings-due-to-missing-PREEMPT.patch
+++ b/debian/patches/features/all/rt/lockdep-selftest-fix-warnings-due-to-missing-PREEMPT.patch
@@ -1,7 +1,7 @@
From: Josh Cartwright <josh.cartwright at ni.com>
Date: Wed, 28 Jan 2015 13:08:45 -0600
Subject: lockdep: selftest: fix warnings due to missing PREEMPT_RT conditionals
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
"lockdep: Selftest: Only do hardirq context test for raw spinlock"
disabled the execution of certain tests with PREEMPT_RT_FULL, but did
diff --git a/debian/patches/features/all/rt/lockdep-selftest-only-do-hardirq-context-test-for-raw-spinlock.patch b/debian/patches/features/all/rt/lockdep-selftest-only-do-hardirq-context-test-for-raw-spinlock.patch
index d6f3ad7..41e626c 100644
--- a/debian/patches/features/all/rt/lockdep-selftest-only-do-hardirq-context-test-for-raw-spinlock.patch
+++ b/debian/patches/features/all/rt/lockdep-selftest-only-do-hardirq-context-test-for-raw-spinlock.patch
@@ -1,7 +1,7 @@
Subject: lockdep: selftest: Only do hardirq context test for raw spinlock
From: Yong Zhang <yong.zhang0 at gmail.com>
Date: Mon, 16 Apr 2012 15:01:56 +0800
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
From: Yong Zhang <yong.zhang at windriver.com>
diff --git a/debian/patches/features/all/rt/locking-locktorture-Do-NOT-include-rwlock.h-directly.patch b/debian/patches/features/all/rt/locking-locktorture-Do-NOT-include-rwlock.h-directly.patch
index 9bb1292..698ec90 100644
--- a/debian/patches/features/all/rt/locking-locktorture-Do-NOT-include-rwlock.h-directly.patch
+++ b/debian/patches/features/all/rt/locking-locktorture-Do-NOT-include-rwlock.h-directly.patch
@@ -1,7 +1,7 @@
From: "Wolfgang M. Reimer" <linuxball at gmail.com>
Date: Tue, 21 Jul 2015 16:20:07 +0200
Subject: locking: locktorture: Do NOT include rwlock.h directly
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Including rwlock.h directly will cause kernel builds to fail
if CONFIG_PREEMPT_RT_FULL is defined. The correct header file
diff --git a/debian/patches/features/all/rt/md-disable-bcache.patch b/debian/patches/features/all/rt/md-disable-bcache.patch
index 167d252..c5b7585 100644
--- a/debian/patches/features/all/rt/md-disable-bcache.patch
+++ b/debian/patches/features/all/rt/md-disable-bcache.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Thu, 29 Aug 2013 11:48:57 +0200
Subject: md: disable bcache
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
It uses anon semaphores
|drivers/md/bcache/request.c: In function ‘cached_dev_write_complete’:
diff --git a/debian/patches/features/all/rt/md-raid5-percpu-handling-rt-aware.patch b/debian/patches/features/all/rt/md-raid5-percpu-handling-rt-aware.patch
index d30efdf..d99ce29 100644
--- a/debian/patches/features/all/rt/md-raid5-percpu-handling-rt-aware.patch
+++ b/debian/patches/features/all/rt/md-raid5-percpu-handling-rt-aware.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 6 Apr 2010 16:51:31 +0200
Subject: md: raid5: Make raid5_percpu handling RT aware
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
__raid_run_ops() disables preemption with get_cpu() around the access
to the raid5_percpu variables. That causes scheduling while atomic
diff --git a/debian/patches/features/all/rt/mips-disable-highmem-on-rt.patch b/debian/patches/features/all/rt/mips-disable-highmem-on-rt.patch
index f9737b7..c08c0ed 100644
--- a/debian/patches/features/all/rt/mips-disable-highmem-on-rt.patch
+++ b/debian/patches/features/all/rt/mips-disable-highmem-on-rt.patch
@@ -1,7 +1,7 @@
Subject: mips: Disable highmem on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 18 Jul 2011 17:10:12 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The current highmem handling on -RT is not compatible and needs fixups.
diff --git a/debian/patches/features/all/rt/mm--rt--Fix-generic-kmap_atomic-for-RT b/debian/patches/features/all/rt/mm--rt--Fix-generic-kmap_atomic-for-RT
index 4f31729..a43e023 100644
--- a/debian/patches/features/all/rt/mm--rt--Fix-generic-kmap_atomic-for-RT
+++ b/debian/patches/features/all/rt/mm--rt--Fix-generic-kmap_atomic-for-RT
@@ -1,7 +1,7 @@
Subject: mm: rt: Fix generic kmap_atomic for RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sat, 19 Sep 2015 10:15:00 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The update to 4.1 brought in the mainline variant of the pagefault
disable distangling from preempt count. That introduced a
diff --git a/debian/patches/features/all/rt/mm-bounce-local-irq-save-nort.patch b/debian/patches/features/all/rt/mm-bounce-local-irq-save-nort.patch
index 0e27bcc..6fb98cc 100644
--- a/debian/patches/features/all/rt/mm-bounce-local-irq-save-nort.patch
+++ b/debian/patches/features/all/rt/mm-bounce-local-irq-save-nort.patch
@@ -1,7 +1,7 @@
Subject: mm: bounce: Use local_irq_save_nort
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 09 Jan 2013 10:33:09 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
kmap_atomic() is preemptible on RT.
diff --git a/debian/patches/features/all/rt/mm-convert-swap-to-percpu-locked.patch b/debian/patches/features/all/rt/mm-convert-swap-to-percpu-locked.patch
index 71fc5c9..3e700ea 100644
--- a/debian/patches/features/all/rt/mm-convert-swap-to-percpu-locked.patch
+++ b/debian/patches/features/all/rt/mm-convert-swap-to-percpu-locked.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:29:51 -0500
Subject: mm/swap: Convert to percpu locked
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Replace global locks (get_cpu + local_irq_save) with "local_locks()".
Currently there is one of for "rotate" and one for "swap".
diff --git a/debian/patches/features/all/rt/mm-disable-sloub-rt.patch b/debian/patches/features/all/rt/mm-disable-sloub-rt.patch
index ae2d161..adaea51 100644
--- a/debian/patches/features/all/rt/mm-disable-sloub-rt.patch
+++ b/debian/patches/features/all/rt/mm-disable-sloub-rt.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:44:03 -0500
Subject: mm: Allow only slub on RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Disable SLAB and SLOB on -RT. Only SLUB is adopted to -RT needs.
diff --git a/debian/patches/features/all/rt/mm-enable-slub.patch b/debian/patches/features/all/rt/mm-enable-slub.patch
index 8568832..00fed7e 100644
--- a/debian/patches/features/all/rt/mm-enable-slub.patch
+++ b/debian/patches/features/all/rt/mm-enable-slub.patch
@@ -1,7 +1,7 @@
Subject: mm: Enable SLUB for RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 25 Oct 2012 10:32:35 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Make SLUB RT aware by converting locks to raw and using free lists to
move the freeing out of the lock held region.
diff --git a/debian/patches/features/all/rt/mm-make-vmstat-rt-aware.patch b/debian/patches/features/all/rt/mm-make-vmstat-rt-aware.patch
index a4a821a..23754b2 100644
--- a/debian/patches/features/all/rt/mm-make-vmstat-rt-aware.patch
+++ b/debian/patches/features/all/rt/mm-make-vmstat-rt-aware.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:30:13 -0500
Subject: mm/vmstat: Protect per cpu variables with preempt disable on RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Disable preemption on -RT for the vmstat code. On vanila the code runs in
IRQ-off regions while on -RT it is not. "preempt_disable" ensures that the
diff --git a/debian/patches/features/all/rt/mm-memcontrol-Don-t-call-schedule_work_on-in-preempt.patch b/debian/patches/features/all/rt/mm-memcontrol-Don-t-call-schedule_work_on-in-preempt.patch
index 544752f..c671d67 100644
--- a/debian/patches/features/all/rt/mm-memcontrol-Don-t-call-schedule_work_on-in-preempt.patch
+++ b/debian/patches/features/all/rt/mm-memcontrol-Don-t-call-schedule_work_on-in-preempt.patch
@@ -1,7 +1,7 @@
From: Yang Shi <yang.shi at windriver.com>
Subject: mm/memcontrol: Don't call schedule_work_on in preemption disabled context
Date: Wed, 30 Oct 2013 11:48:33 -0700
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The following trace is triggered when running ltp oom test cases:
diff --git a/debian/patches/features/all/rt/mm-memcontrol-do_not_disable_irq.patch b/debian/patches/features/all/rt/mm-memcontrol-do_not_disable_irq.patch
index 6d5775b..ac84808 100644
--- a/debian/patches/features/all/rt/mm-memcontrol-do_not_disable_irq.patch
+++ b/debian/patches/features/all/rt/mm-memcontrol-do_not_disable_irq.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Subject: mm/memcontrol: Replace local_irq_disable with local locks
Date: Wed, 28 Jan 2015 17:14:16 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
There are a few local_irq_disable() which then take sleeping locks. This
patch converts them local locks.
diff --git a/debian/patches/features/all/rt/mm-page-alloc-use-local-lock-on-target-cpu.patch b/debian/patches/features/all/rt/mm-page-alloc-use-local-lock-on-target-cpu.patch
index 711c3d1..2ce2194 100644
--- a/debian/patches/features/all/rt/mm-page-alloc-use-local-lock-on-target-cpu.patch
+++ b/debian/patches/features/all/rt/mm-page-alloc-use-local-lock-on-target-cpu.patch
@@ -1,7 +1,7 @@
Subject: mm: page_alloc: Use local_lock_on() instead of plain spinlock
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 27 Sep 2012 11:11:46 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The plain spinlock while sufficient does not update the local_lock
internals. Use a proper local_lock function instead to ease debugging.
diff --git a/debian/patches/features/all/rt/mm-page_alloc-reduce-lock-sections-further.patch b/debian/patches/features/all/rt/mm-page_alloc-reduce-lock-sections-further.patch
index 074c76a..2667950 100644
--- a/debian/patches/features/all/rt/mm-page_alloc-reduce-lock-sections-further.patch
+++ b/debian/patches/features/all/rt/mm-page_alloc-reduce-lock-sections-further.patch
@@ -1,7 +1,7 @@
From: Peter Zijlstra <peterz at infradead.org>
Date: Fri Jul 3 08:44:37 2009 -0500
Subject: mm: page_alloc: Reduce lock sections further
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Split out the pages which are to be freed into a separate list and
call free_pages_bulk() outside of the percpu page allocator locks.
diff --git a/debian/patches/features/all/rt/mm-page_alloc-rt-friendly-per-cpu-pages.patch b/debian/patches/features/all/rt/mm-page_alloc-rt-friendly-per-cpu-pages.patch
index 02ad583..6af2d28 100644
--- a/debian/patches/features/all/rt/mm-page_alloc-rt-friendly-per-cpu-pages.patch
+++ b/debian/patches/features/all/rt/mm-page_alloc-rt-friendly-per-cpu-pages.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:29:37 -0500
Subject: mm: page_alloc: rt-friendly per-cpu pages
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
rt-friendly per-cpu pages: convert the irqs-off per-cpu locking
method into a preemptible, explicit-per-cpu-locks method.
diff --git a/debian/patches/features/all/rt/mm-protect-activate-switch-mm.patch b/debian/patches/features/all/rt/mm-protect-activate-switch-mm.patch
index 60ecaaf..fc4cb7f 100644
--- a/debian/patches/features/all/rt/mm-protect-activate-switch-mm.patch
+++ b/debian/patches/features/all/rt/mm-protect-activate-switch-mm.patch
@@ -1,7 +1,7 @@
From: Yong Zhang <yong.zhang0 at gmail.com>
Date: Tue, 15 May 2012 13:53:56 +0800
Subject: mm: Protect activate_mm() by preempt_[disable&enable]_rt()
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
User preempt_*_rt instead of local_irq_*_rt or otherwise there will be
warning on ARM like below:
diff --git a/debian/patches/features/all/rt/mm-rt-kmap-atomic-scheduling.patch b/debian/patches/features/all/rt/mm-rt-kmap-atomic-scheduling.patch
index 25d073d..5a953cd 100644
--- a/debian/patches/features/all/rt/mm-rt-kmap-atomic-scheduling.patch
+++ b/debian/patches/features/all/rt/mm-rt-kmap-atomic-scheduling.patch
@@ -1,7 +1,7 @@
Subject: mm, rt: kmap_atomic scheduling
From: Peter Zijlstra <peterz at infradead.org>
Date: Thu, 28 Jul 2011 10:43:51 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
In fact, with migrate_disable() existing one could play games with
kmap_atomic. You could save/restore the kmap_atomic slots on context
@@ -230,7 +230,7 @@ Link: http://lkml.kernel.org/r/1311842631.5890.208.camel@twins
#include <asm/page.h>
#include <asm/ptrace.h>
-@@ -1848,6 +1849,12 @@ struct task_struct {
+@@ -1849,6 +1850,12 @@ struct task_struct {
int softirq_nestcnt;
unsigned int softirqs_raised;
#endif
diff --git a/debian/patches/features/all/rt/mm-scatterlist-dont-disable-irqs-on-RT.patch b/debian/patches/features/all/rt/mm-scatterlist-dont-disable-irqs-on-RT.patch
index afacc26..eafe1fa 100644
--- a/debian/patches/features/all/rt/mm-scatterlist-dont-disable-irqs-on-RT.patch
+++ b/debian/patches/features/all/rt/mm-scatterlist-dont-disable-irqs-on-RT.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 3 Jul 2009 08:44:34 -0500
Subject: mm/scatterlist: Do not disable irqs on RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The local_irq_save() is not only used to get things done "fast" but
also to ensure that in case of SG_MITER_ATOMIC we are in "atomic"
diff --git a/debian/patches/features/all/rt/mm-vmalloc-use-get-cpu-light.patch b/debian/patches/features/all/rt/mm-vmalloc-use-get-cpu-light.patch
index 52772e6..7a66138 100644
--- a/debian/patches/features/all/rt/mm-vmalloc-use-get-cpu-light.patch
+++ b/debian/patches/features/all/rt/mm-vmalloc-use-get-cpu-light.patch
@@ -1,7 +1,7 @@
Subject: mm/vmalloc: Another preempt disable region which sucks
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 12 Jul 2011 11:39:36 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Avoid the preempt disable version of get_cpu_var(). The inner-lock should
provide enough serialisation.
diff --git a/debian/patches/features/all/rt/mm-workingset-do-not-protect-workingset_shadow_nodes.patch b/debian/patches/features/all/rt/mm-workingset-do-not-protect-workingset_shadow_nodes.patch
index 86f4b3a..70f0361 100644
--- a/debian/patches/features/all/rt/mm-workingset-do-not-protect-workingset_shadow_nodes.patch
+++ b/debian/patches/features/all/rt/mm-workingset-do-not-protect-workingset_shadow_nodes.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Thu, 29 Jan 2015 17:19:44 +0100
Subject: mm/workingset: Do not protect workingset_shadow_nodes with irq off
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
workingset_shadow_nodes is protected by local_irq_disable(). Some users
use spin_lock_irq().
diff --git a/debian/patches/features/all/rt/mmci-remove-bogus-irq-save.patch b/debian/patches/features/all/rt/mmci-remove-bogus-irq-save.patch
index 0bb593d..3d4490c 100644
--- a/debian/patches/features/all/rt/mmci-remove-bogus-irq-save.patch
+++ b/debian/patches/features/all/rt/mmci-remove-bogus-irq-save.patch
@@ -1,7 +1,7 @@
Subject: mmci: Remove bogus local_irq_save()
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 09 Jan 2013 12:11:12 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On !RT interrupt runs with interrupts disabled. On RT it's in a
thread, so no need to disable interrupts at all.
diff --git a/debian/patches/features/all/rt/move_sched_delayed_work_to_helper.patch b/debian/patches/features/all/rt/move_sched_delayed_work_to_helper.patch
index 4d40d09..764691e 100644
--- a/debian/patches/features/all/rt/move_sched_delayed_work_to_helper.patch
+++ b/debian/patches/features/all/rt/move_sched_delayed_work_to_helper.patch
@@ -1,7 +1,7 @@
Date: Wed, 26 Jun 2013 15:28:11 -0400
From: Steven Rostedt <rostedt at goodmis.org>
Subject: rt,ntp: Move call to schedule_delayed_work() to helper thread
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The ntp code for notify_cmos_timer() is called from a hard interrupt
context. schedule_delayed_work() under PREEMPT_RT_FULL calls spinlocks
diff --git a/debian/patches/features/all/rt/mutex-no-spin-on-rt.patch b/debian/patches/features/all/rt/mutex-no-spin-on-rt.patch
index ae0f6c9..a376000 100644
--- a/debian/patches/features/all/rt/mutex-no-spin-on-rt.patch
+++ b/debian/patches/features/all/rt/mutex-no-spin-on-rt.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 17 Jul 2011 21:51:45 +0200
Subject: locking: Disable spin on owner for RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Drop spin on owner for mutex / rwsem. We are most likely not using it
but…
diff --git a/debian/patches/features/all/rt/net-another-local-irq-disable-alloc-atomic-headache.patch b/debian/patches/features/all/rt/net-another-local-irq-disable-alloc-atomic-headache.patch
index ebb8daa..2bfde66 100644
--- a/debian/patches/features/all/rt/net-another-local-irq-disable-alloc-atomic-headache.patch
+++ b/debian/patches/features/all/rt/net-another-local-irq-disable-alloc-atomic-headache.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 26 Sep 2012 16:21:08 +0200
Subject: net: Another local_irq_disable/kmalloc headache
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Replace it by a local lock. Though that's pretty inefficient :(
diff --git a/debian/patches/features/all/rt/net-core-cpuhotplug-drain-input_pkt_queue-lockless.patch b/debian/patches/features/all/rt/net-core-cpuhotplug-drain-input_pkt_queue-lockless.patch
index 5869371..b9f4f77 100644
--- a/debian/patches/features/all/rt/net-core-cpuhotplug-drain-input_pkt_queue-lockless.patch
+++ b/debian/patches/features/all/rt/net-core-cpuhotplug-drain-input_pkt_queue-lockless.patch
@@ -1,7 +1,7 @@
Subject: net/core/cpuhotplug: Drain input_pkt_queue lockless
From: Grygorii Strashko <grygorii.strashko at ti.com>
Date: Fri, 9 Oct 2015 09:25:49 -0500
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
I can constantly see below error report with 4.1 RT-kernel on TI ARM dra7-evm
if I'm trying to unplug cpu1:
@@ -36,7 +36,7 @@ Cc: stable-rt at vger.kernel.org
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -7463,7 +7463,7 @@ static int dev_cpu_callback(struct notif
+@@ -7468,7 +7468,7 @@ static int dev_cpu_callback(struct notif
netif_rx_ni(skb);
input_queue_head_incr(oldsd);
}
diff --git a/debian/patches/features/all/rt/net-core-protect-users-of-napi_alloc_cache-against-r.patch b/debian/patches/features/all/rt/net-core-protect-users-of-napi_alloc_cache-against-r.patch
index 5f441a9..aa199ab 100644
--- a/debian/patches/features/all/rt/net-core-protect-users-of-napi_alloc_cache-against-r.patch
+++ b/debian/patches/features/all/rt/net-core-protect-users-of-napi_alloc_cache-against-r.patch
@@ -2,7 +2,7 @@ From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 15 Jan 2016 16:33:34 +0100
Subject: net/core: protect users of napi_alloc_cache against
reentrance
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On -RT the code running in BH can not be moved to another CPU so CPU
local variable remain local. However the code can be preempted
diff --git a/debian/patches/features/all/rt/net-fix-iptable-xt-write-recseq-begin-rt-fallout.patch b/debian/patches/features/all/rt/net-fix-iptable-xt-write-recseq-begin-rt-fallout.patch
index 3364d70..d7f0e87 100644
--- a/debian/patches/features/all/rt/net-fix-iptable-xt-write-recseq-begin-rt-fallout.patch
+++ b/debian/patches/features/all/rt/net-fix-iptable-xt-write-recseq-begin-rt-fallout.patch
@@ -1,7 +1,7 @@
Subject: net: netfilter: Serialize xt_write_recseq sections on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 28 Oct 2012 11:18:08 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The netfilter code relies only on the implicit semantics of
local_bh_disable() for serializing wt_write_recseq sections. RT breaks
diff --git a/debian/patches/features/all/rt/net-make-devnet_rename_seq-a-mutex.patch b/debian/patches/features/all/rt/net-make-devnet_rename_seq-a-mutex.patch
index 45cc93f..c0785f1 100644
--- a/debian/patches/features/all/rt/net-make-devnet_rename_seq-a-mutex.patch
+++ b/debian/patches/features/all/rt/net-make-devnet_rename_seq-a-mutex.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 20 Mar 2013 18:06:20 +0100
Subject: net: Add a mutex around devnet_rename_seq
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On RT write_seqcount_begin() disables preemption and device_rename()
allocates memory with GFP_KERNEL and grabs later the sysfs_mutex
diff --git a/debian/patches/features/all/rt/net-move-xmit_recursion-to-per-task-variable-on-RT.patch b/debian/patches/features/all/rt/net-move-xmit_recursion-to-per-task-variable-on-RT.patch
index ef6db0c..5609406 100644
--- a/debian/patches/features/all/rt/net-move-xmit_recursion-to-per-task-variable-on-RT.patch
+++ b/debian/patches/features/all/rt/net-move-xmit_recursion-to-per-task-variable-on-RT.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 13 Jan 2016 15:55:02 +0100
Subject: net: move xmit_recursion to per-task variable on -RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
A softirq on -RT can be preempted. That means one task is in
__dev_queue_xmit(), gets preempted and another task may enter
@@ -46,7 +46,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
struct net_device *__dev_get_by_index(struct net *net, int ifindex);
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1851,6 +1851,9 @@ struct task_struct {
+@@ -1852,6 +1852,9 @@ struct task_struct {
#ifdef CONFIG_DEBUG_ATOMIC_SLEEP
unsigned long task_state_change;
#endif
@@ -58,7 +58,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
struct thread_struct thread;
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -2940,9 +2940,44 @@ static void skb_update_prio(struct sk_bu
+@@ -2945,9 +2945,44 @@ static void skb_update_prio(struct sk_bu
#define skb_update_prio(skb)
#endif
@@ -94,7 +94,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
+ __this_cpu_inc(xmit_recursion);
+}
+
-+static inline int xmit_rec_dec(void)
++static inline void xmit_rec_dec(void)
+{
+ __this_cpu_dec(xmit_recursion);
+}
@@ -103,7 +103,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
#define RECURSION_LIMIT 10
/**
-@@ -3135,7 +3170,7 @@ static int __dev_queue_xmit(struct sk_bu
+@@ -3140,7 +3175,7 @@ static int __dev_queue_xmit(struct sk_bu
if (txq->xmit_lock_owner != cpu) {
@@ -112,7 +112,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
goto recursion_alert;
skb = validate_xmit_skb(skb, dev);
-@@ -3145,9 +3180,9 @@ static int __dev_queue_xmit(struct sk_bu
+@@ -3150,9 +3185,9 @@ static int __dev_queue_xmit(struct sk_bu
HARD_TX_LOCK(dev, txq, cpu);
if (!netif_xmit_stopped(txq)) {
diff --git a/debian/patches/features/all/rt/net-prevent-abba-deadlock.patch b/debian/patches/features/all/rt/net-prevent-abba-deadlock.patch
index e4f5ead..7a97713 100644
--- a/debian/patches/features/all/rt/net-prevent-abba-deadlock.patch
+++ b/debian/patches/features/all/rt/net-prevent-abba-deadlock.patch
@@ -1,7 +1,7 @@
Subject: net-flip-lock-dep-thingy.patch
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 28 Jun 2011 10:59:58 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
=======================================================
[ INFO: possible circular locking dependency detected ]
diff --git a/debian/patches/features/all/rt/net-provide-a-way-to-delegate-processing-a-softirq-t.patch b/debian/patches/features/all/rt/net-provide-a-way-to-delegate-processing-a-softirq-t.patch
index 133e906..24dd435 100644
--- a/debian/patches/features/all/rt/net-provide-a-way-to-delegate-processing-a-softirq-t.patch
+++ b/debian/patches/features/all/rt/net-provide-a-way-to-delegate-processing-a-softirq-t.patch
@@ -2,7 +2,7 @@ From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 20 Jan 2016 15:39:05 +0100
Subject: net: provide a way to delegate processing a softirq to
ksoftirqd
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
If the NET_RX uses up all of his budget it moves the following NAPI
invocations into the `ksoftirqd`. On -RT it does not do so. Instead it
@@ -68,7 +68,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
void raise_softirq_irqoff(unsigned int nr)
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -4919,7 +4919,7 @@ static void net_rx_action(struct softirq
+@@ -4924,7 +4924,7 @@ static void net_rx_action(struct softirq
list_splice_tail(&repoll, &list);
list_splice(&list, &sd->poll_list);
if (!list_empty(&sd->poll_list))
diff --git a/debian/patches/features/all/rt/net-sched-dev_deactivate_many-use-msleep-1-instead-o.patch b/debian/patches/features/all/rt/net-sched-dev_deactivate_many-use-msleep-1-instead-o.patch
index 61f3805..2892034 100644
--- a/debian/patches/features/all/rt/net-sched-dev_deactivate_many-use-msleep-1-instead-o.patch
+++ b/debian/patches/features/all/rt/net-sched-dev_deactivate_many-use-msleep-1-instead-o.patch
@@ -1,7 +1,7 @@
From: Marc Kleine-Budde <mkl at pengutronix.de>
Date: Wed, 5 Mar 2014 00:49:47 +0100
Subject: net: sched: Use msleep() instead of yield()
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On PREEMPT_RT enabled systems the interrupt handler run as threads at prio 50
(by default). If a high priority userspace process tries to shut down a busy
diff --git a/debian/patches/features/all/rt/net-tx-action-avoid-livelock-on-rt.patch b/debian/patches/features/all/rt/net-tx-action-avoid-livelock-on-rt.patch
index e29cc42..f7587f2 100644
--- a/debian/patches/features/all/rt/net-tx-action-avoid-livelock-on-rt.patch
+++ b/debian/patches/features/all/rt/net-tx-action-avoid-livelock-on-rt.patch
@@ -1,7 +1,7 @@
Subject: net: Avoid livelock in net_tx_action() on RT
From: Steven Rostedt <srostedt at redhat.com>
Date: Thu, 06 Oct 2011 10:48:39 -0400
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
qdisc_lock is taken w/o disabling interrupts or bottom halfs. So code
holding a qdisc_lock() can be interrupted and softirqs can run on the
@@ -45,7 +45,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -3633,6 +3633,36 @@ int netif_rx_ni(struct sk_buff *skb)
+@@ -3638,6 +3638,36 @@ int netif_rx_ni(struct sk_buff *skb)
}
EXPORT_SYMBOL(netif_rx_ni);
@@ -82,7 +82,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
static void net_tx_action(struct softirq_action *h)
{
struct softnet_data *sd = this_cpu_ptr(&softnet_data);
-@@ -3674,7 +3704,7 @@ static void net_tx_action(struct softirq
+@@ -3679,7 +3709,7 @@ static void net_tx_action(struct softirq
head = head->next_sched;
root_lock = qdisc_lock(q);
diff --git a/debian/patches/features/all/rt/net-use-cpu-chill.patch b/debian/patches/features/all/rt/net-use-cpu-chill.patch
index f3770c1..ca1b0bd 100644
--- a/debian/patches/features/all/rt/net-use-cpu-chill.patch
+++ b/debian/patches/features/all/rt/net-use-cpu-chill.patch
@@ -1,7 +1,7 @@
Subject: net: Use cpu_chill() instead of cpu_relax()
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 07 Mar 2012 21:10:04 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Retry loops on RT might loop forever when the modifying side was
preempted. Use cpu_chill() instead of cpu_relax() to let the system
diff --git a/debian/patches/features/all/rt/net-wireless-warn-nort.patch b/debian/patches/features/all/rt/net-wireless-warn-nort.patch
index cdaea8d..76fdcf8 100644
--- a/debian/patches/features/all/rt/net-wireless-warn-nort.patch
+++ b/debian/patches/features/all/rt/net-wireless-warn-nort.patch
@@ -1,7 +1,7 @@
Subject: net/wireless: Use WARN_ON_NORT()
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 21 Jul 2011 21:05:33 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The softirq counter is meaningless on RT, so the check triggers a
false positive.
diff --git a/debian/patches/features/all/rt/net__Make_synchronize-rcu_expedited_conditional-on-non-rt b/debian/patches/features/all/rt/net__Make_synchronize-rcu_expedited_conditional-on-non-rt
index fb8f6c1..0debdb6 100644
--- a/debian/patches/features/all/rt/net__Make_synchronize-rcu_expedited_conditional-on-non-rt
+++ b/debian/patches/features/all/rt/net__Make_synchronize-rcu_expedited_conditional-on-non-rt
@@ -1,7 +1,7 @@
Date: Tue, 27 Oct 2015 07:31:53 -0500
From: Josh Cartwright <joshc at ni.com>
Subject: net: Make synchronize_rcu_expedited() conditional on !RT_FULL
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
While the use of synchronize_rcu_expedited() might make
synchronize_net() "faster", it does so at significant cost on RT
@@ -25,7 +25,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -7212,7 +7212,7 @@ EXPORT_SYMBOL(free_netdev);
+@@ -7217,7 +7217,7 @@ EXPORT_SYMBOL(free_netdev);
void synchronize_net(void)
{
might_sleep();
diff --git a/debian/patches/features/all/rt/oleg-signal-rt-fix.patch b/debian/patches/features/all/rt/oleg-signal-rt-fix.patch
index 8a27d7b..e4fb7cb 100644
--- a/debian/patches/features/all/rt/oleg-signal-rt-fix.patch
+++ b/debian/patches/features/all/rt/oleg-signal-rt-fix.patch
@@ -1,7 +1,7 @@
From: Oleg Nesterov <oleg at redhat.com>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: signal/x86: Delay calling signals in atomic
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On x86_64 we must disable preemption before we enable interrupts
for stack faults, int3 and debugging, because the current task is using
@@ -77,7 +77,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
#endif
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1578,6 +1578,10 @@ struct task_struct {
+@@ -1579,6 +1579,10 @@ struct task_struct {
sigset_t blocked, real_blocked;
sigset_t saved_sigmask; /* restored if set_restore_sigmask() was used */
struct sigpending pending;
diff --git a/debian/patches/features/all/rt/panic-disable-random-on-rt.patch b/debian/patches/features/all/rt/panic-disable-random-on-rt.patch
index 3f6a76a..9d700fa 100644
--- a/debian/patches/features/all/rt/panic-disable-random-on-rt.patch
+++ b/debian/patches/features/all/rt/panic-disable-random-on-rt.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: panic: skip get_random_bytes for RT_FULL in init_oops_id
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Disable on -RT. If this is invoked from irq-context we will have problems
to acquire the sleeping lock.
diff --git a/debian/patches/features/all/rt/patch-to-introduce-rcu-bh-qs-where-safe-from-softirq.patch b/debian/patches/features/all/rt/patch-to-introduce-rcu-bh-qs-where-safe-from-softirq.patch
index d92eb2a..2fcba0e 100644
--- a/debian/patches/features/all/rt/patch-to-introduce-rcu-bh-qs-where-safe-from-softirq.patch
+++ b/debian/patches/features/all/rt/patch-to-introduce-rcu-bh-qs-where-safe-from-softirq.patch
@@ -1,7 +1,7 @@
Subject: rcu: Make ksoftirqd do RCU quiescent states
From: "Paul E. McKenney" <paulmck at linux.vnet.ibm.com>
Date: Wed, 5 Oct 2011 11:45:18 -0700
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Implementing RCU-bh in terms of RCU-preempt makes the system vulnerable
to network-based denial-of-service attacks. This patch therefore
diff --git a/debian/patches/features/all/rt/pci-access-use-__wake_up_all_locked.patch b/debian/patches/features/all/rt/pci-access-use-__wake_up_all_locked.patch
index 3978eff..fd1fe7e 100644
--- a/debian/patches/features/all/rt/pci-access-use-__wake_up_all_locked.patch
+++ b/debian/patches/features/all/rt/pci-access-use-__wake_up_all_locked.patch
@@ -1,7 +1,7 @@
Subject: pci: Use __wake_up_all_locked in pci_unblock_user_cfg_access()
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 01 Dec 2011 00:07:16 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The waitqueue is protected by the pci_lock, so we can just avoid to
lock the waitqueue lock itself. That prevents the
diff --git a/debian/patches/features/all/rt/percpu_ida-use-locklocks.patch b/debian/patches/features/all/rt/percpu_ida-use-locklocks.patch
index 6dbe4ef..982f2b4 100644
--- a/debian/patches/features/all/rt/percpu_ida-use-locklocks.patch
+++ b/debian/patches/features/all/rt/percpu_ida-use-locklocks.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 9 Apr 2014 11:58:17 +0200
Subject: percpu_ida: Use local locks
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
the local_irq_save() + spin_lock() does not work that well on -RT
diff --git a/debian/patches/features/all/rt/perf-make-swevent-hrtimer-irqsafe.patch b/debian/patches/features/all/rt/perf-make-swevent-hrtimer-irqsafe.patch
index e28e728..65ae7a1 100644
--- a/debian/patches/features/all/rt/perf-make-swevent-hrtimer-irqsafe.patch
+++ b/debian/patches/features/all/rt/perf-make-swevent-hrtimer-irqsafe.patch
@@ -1,7 +1,7 @@
From: Yong Zhang <yong.zhang at windriver.com>
Date: Wed, 11 Jul 2012 22:05:21 +0000
Subject: perf: Make swevent hrtimer run in irq instead of softirq
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Otherwise we get a deadlock like below:
diff --git a/debian/patches/features/all/rt/peter_zijlstra-frob-rcu.patch b/debian/patches/features/all/rt/peter_zijlstra-frob-rcu.patch
index 0be0efc..4f68e88 100644
--- a/debian/patches/features/all/rt/peter_zijlstra-frob-rcu.patch
+++ b/debian/patches/features/all/rt/peter_zijlstra-frob-rcu.patch
@@ -1,7 +1,7 @@
Subject: rcu: Frob softirq test
From: Peter Zijlstra <a.p.zijlstra at chello.nl>
Date: Sat Aug 13 00:23:17 CEST 2011
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
With RT_FULL we get the below wreckage:
diff --git a/debian/patches/features/all/rt/peterz-srcu-crypto-chain.patch b/debian/patches/features/all/rt/peterz-srcu-crypto-chain.patch
index 786a580..72f8a2c 100644
--- a/debian/patches/features/all/rt/peterz-srcu-crypto-chain.patch
+++ b/debian/patches/features/all/rt/peterz-srcu-crypto-chain.patch
@@ -1,7 +1,7 @@
Subject: crypto: Convert crypto notifier chain to SRCU
From: Peter Zijlstra <peterz at infradead.org>
Date: Fri, 05 Oct 2012 09:03:24 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The crypto notifier deadlocks on RT. Though this can be a real deadlock
on mainline as well due to fifo fair rwsems.
diff --git a/debian/patches/features/all/rt/pid.h-include-atomic.h.patch b/debian/patches/features/all/rt/pid.h-include-atomic.h.patch
index 682fc03..e29b4c4 100644
--- a/debian/patches/features/all/rt/pid.h-include-atomic.h.patch
+++ b/debian/patches/features/all/rt/pid.h-include-atomic.h.patch
@@ -1,7 +1,7 @@
From: Grygorii Strashko <Grygorii.Strashko at linaro.org>
Date: Tue, 21 Jul 2015 19:43:56 +0300
Subject: wait.h: include atomic.h
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
This patch fixes build error:
CC kernel/pid_namespace.o
diff --git a/debian/patches/features/all/rt/ping-sysrq.patch b/debian/patches/features/all/rt/ping-sysrq.patch
index e9fd94e..5837692 100644
--- a/debian/patches/features/all/rt/ping-sysrq.patch
+++ b/debian/patches/features/all/rt/ping-sysrq.patch
@@ -1,7 +1,7 @@
Subject: net: sysrq via icmp
From: Carsten Emde <C.Emde at osadl.org>
Date: Tue, 19 Jul 2011 13:51:17 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
There are (probably rare) situations when a system crashed and the system
console becomes unresponsive but the network icmp layer still is alive.
diff --git a/debian/patches/features/all/rt/posix-timers-no-broadcast.patch b/debian/patches/features/all/rt/posix-timers-no-broadcast.patch
index b939cf2..4c18351 100644
--- a/debian/patches/features/all/rt/posix-timers-no-broadcast.patch
+++ b/debian/patches/features/all/rt/posix-timers-no-broadcast.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 3 Jul 2009 08:29:20 -0500
Subject: posix-timers: Prevent broadcast signals
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Posix timers should not send broadcast signals and kernel only
signals. Prevent it.
diff --git a/debian/patches/features/all/rt/posix-timers-thread-posix-cpu-timers-on-rt.patch b/debian/patches/features/all/rt/posix-timers-thread-posix-cpu-timers-on-rt.patch
index fe304f2..9f6fa70 100644
--- a/debian/patches/features/all/rt/posix-timers-thread-posix-cpu-timers-on-rt.patch
+++ b/debian/patches/features/all/rt/posix-timers-thread-posix-cpu-timers-on-rt.patch
@@ -1,7 +1,7 @@
From: John Stultz <johnstul at us.ibm.com>
Date: Fri, 3 Jul 2009 08:29:58 -0500
Subject: posix-timers: Thread posix-cpu-timers on -rt
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
posix-cpu-timer code takes non -rt safe locks in hard irq
context. Move it to a thread.
@@ -43,7 +43,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
[PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID), \
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1543,6 +1543,9 @@ struct task_struct {
+@@ -1544,6 +1544,9 @@ struct task_struct {
struct task_cputime cputime_expires;
struct list_head cpu_timers[3];
diff --git a/debian/patches/features/all/rt/power-disable-highmem-on-rt.patch b/debian/patches/features/all/rt/power-disable-highmem-on-rt.patch
index b0580e6..94da283 100644
--- a/debian/patches/features/all/rt/power-disable-highmem-on-rt.patch
+++ b/debian/patches/features/all/rt/power-disable-highmem-on-rt.patch
@@ -1,7 +1,7 @@
Subject: powerpc: Disable highmem on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 18 Jul 2011 17:08:34 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The current highmem handling on -RT is not compatible and needs fixups.
diff --git a/debian/patches/features/all/rt/power-use-generic-rwsem-on-rt.patch b/debian/patches/features/all/rt/power-use-generic-rwsem-on-rt.patch
index 32222d8..81e739f 100644
--- a/debian/patches/features/all/rt/power-use-generic-rwsem-on-rt.patch
+++ b/debian/patches/features/all/rt/power-use-generic-rwsem-on-rt.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 14 Jul 2015 14:26:34 +0200
Subject: powerpc: Use generic rwsem on RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use generic code which uses rtmutex
diff --git a/debian/patches/features/all/rt/powerpc-kvm-Disable-in-kernel-MPIC-emulation-for-PRE.patch b/debian/patches/features/all/rt/powerpc-kvm-Disable-in-kernel-MPIC-emulation-for-PRE.patch
index 4edd4d0..ec47c96 100644
--- a/debian/patches/features/all/rt/powerpc-kvm-Disable-in-kernel-MPIC-emulation-for-PRE.patch
+++ b/debian/patches/features/all/rt/powerpc-kvm-Disable-in-kernel-MPIC-emulation-for-PRE.patch
@@ -1,7 +1,7 @@
From: Bogdan Purcareata <bogdan.purcareata at freescale.com>
Date: Fri, 24 Apr 2015 15:53:13 +0000
Subject: powerpc/kvm: Disable in-kernel MPIC emulation for PREEMPT_RT_FULL
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
While converting the openpic emulation code to use a raw_spinlock_t enables
guests to run on RT, there's still a performance issue. For interrupts sent in
diff --git a/debian/patches/features/all/rt/powerpc-preempt-lazy-support.patch b/debian/patches/features/all/rt/powerpc-preempt-lazy-support.patch
index ecedd7a..a6c2dda 100644
--- a/debian/patches/features/all/rt/powerpc-preempt-lazy-support.patch
+++ b/debian/patches/features/all/rt/powerpc-preempt-lazy-support.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 1 Nov 2012 10:14:11 +0100
Subject: powerpc: Add support for lazy preemption
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Implement the powerpc pieces for lazy preempt.
diff --git a/debian/patches/features/all/rt/powerpc-ps3-device-init.c-adapt-to-completions-using.patch b/debian/patches/features/all/rt/powerpc-ps3-device-init.c-adapt-to-completions-using.patch
index 4b4aedc..81fe944 100644
--- a/debian/patches/features/all/rt/powerpc-ps3-device-init.c-adapt-to-completions-using.patch
+++ b/debian/patches/features/all/rt/powerpc-ps3-device-init.c-adapt-to-completions-using.patch
@@ -1,7 +1,7 @@
From: Paul Gortmaker <paul.gortmaker at windriver.com>
Date: Sun, 31 May 2015 14:44:42 -0400
Subject: powerpc: ps3/device-init.c - adapt to completions using swait vs wait
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
To fix:
diff --git a/debian/patches/features/all/rt/preempt-lazy-check-preempt_schedule.patch b/debian/patches/features/all/rt/preempt-lazy-check-preempt_schedule.patch
index 5339456..6e226d2 100644
--- a/debian/patches/features/all/rt/preempt-lazy-check-preempt_schedule.patch
+++ b/debian/patches/features/all/rt/preempt-lazy-check-preempt_schedule.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 20 Jan 2016 15:13:30 +0100
Subject: preempt-lazy: Add the lazy-preemption check to preempt_schedule()
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Probably in the rebase onto v4.1 this check got moved into less commonly used
preempt_schedule_notrace(). This patch ensures that both functions use it.
@@ -14,7 +14,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
-@@ -3461,6 +3461,30 @@ static void __sched notrace preempt_sche
+@@ -3460,6 +3460,30 @@ static void __sched notrace preempt_sche
} while (need_resched());
}
@@ -45,7 +45,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
#ifdef CONFIG_PREEMPT
/*
* this is the entry point to schedule() from in-kernel preemption
-@@ -3475,6 +3499,8 @@ asmlinkage __visible void __sched notrac
+@@ -3474,6 +3498,8 @@ asmlinkage __visible void __sched notrac
*/
if (likely(!preemptible()))
return;
@@ -54,7 +54,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
preempt_schedule_common();
}
-@@ -3501,15 +3527,9 @@ asmlinkage __visible void __sched notrac
+@@ -3500,15 +3526,9 @@ asmlinkage __visible void __sched notrac
if (likely(!preemptible()))
return;
diff --git a/debian/patches/features/all/rt/preempt-lazy-support.patch b/debian/patches/features/all/rt/preempt-lazy-support.patch
index a8ef97e..0a2ca19 100644
--- a/debian/patches/features/all/rt/preempt-lazy-support.patch
+++ b/debian/patches/features/all/rt/preempt-lazy-support.patch
@@ -1,7 +1,7 @@
Subject: sched: Add support for lazy preemption
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 26 Oct 2012 18:50:54 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
It has become an obsession to mitigate the determinism vs. throughput
loss of RT. Looking at the mainline semantics of preemption points
@@ -166,7 +166,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -2966,6 +2966,43 @@ static inline int test_tsk_need_resched(
+@@ -2967,6 +2967,43 @@ static inline int test_tsk_need_resched(
return unlikely(test_tsk_thread_flag(tsk,TIF_NEED_RESCHED));
}
@@ -314,8 +314,8 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
+ preempt_lazy_disable();
pin_current_cpu();
p->migrate_disable = 1;
- p->nr_cpus_allowed = 1;
-@@ -3182,6 +3218,7 @@ void migrate_enable(void)
+ preempt_enable();
+@@ -3181,6 +3217,7 @@ void migrate_enable(void)
unpin_current_cpu();
preempt_enable();
@@ -323,7 +323,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
}
EXPORT_SYMBOL(migrate_enable);
#endif
-@@ -3319,6 +3356,7 @@ static void __sched notrace __schedule(b
+@@ -3318,6 +3355,7 @@ static void __sched notrace __schedule(b
next = pick_next_task(rq, prev);
clear_tsk_need_resched(prev);
@@ -331,7 +331,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
clear_preempt_need_resched();
rq->clock_skip_update = 0;
-@@ -3464,6 +3502,14 @@ asmlinkage __visible void __sched notrac
+@@ -3463,6 +3501,14 @@ asmlinkage __visible void __sched notrac
if (likely(!preemptible()))
return;
@@ -346,7 +346,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
do {
preempt_disable_notrace();
/*
-@@ -5204,7 +5250,9 @@ void init_idle(struct task_struct *idle,
+@@ -5203,7 +5249,9 @@ void init_idle(struct task_struct *idle,
/* Set the preempt count _outside_ the spinlocks! */
init_idle_preempt_count(idle, cpu);
diff --git a/debian/patches/features/all/rt/preempt-nort-rt-variants.patch b/debian/patches/features/all/rt/preempt-nort-rt-variants.patch
index 73d61d1..1d0b1e4 100644
--- a/debian/patches/features/all/rt/preempt-nort-rt-variants.patch
+++ b/debian/patches/features/all/rt/preempt-nort-rt-variants.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 24 Jul 2009 12:38:56 +0200
Subject: preempt: Provide preempt_*_(no)rt variants
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
RT needs a few preempt_disable/enable points which are not necessary
otherwise. Implement variants to avoid #ifdeffery.
diff --git a/debian/patches/features/all/rt/printk-27force_early_printk-27-boot-param-to-help-with-debugging.patch b/debian/patches/features/all/rt/printk-27force_early_printk-27-boot-param-to-help-with-debugging.patch
index d8c1de2..f873f38 100644
--- a/debian/patches/features/all/rt/printk-27force_early_printk-27-boot-param-to-help-with-debugging.patch
+++ b/debian/patches/features/all/rt/printk-27force_early_printk-27-boot-param-to-help-with-debugging.patch
@@ -1,7 +1,7 @@
Subject: printk: Add "force_early_printk" boot param to help with debugging
From: Peter Zijlstra <peterz at infradead.org>
Date: Fri, 02 Sep 2011 14:41:29 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Gives me an option to screw printk and actually see what the machine
says.
@@ -16,7 +16,7 @@ Link: http://lkml.kernel.org/n/tip-ykb97nsfmobq44xketrxs977@git.kernel.org
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
-@@ -1686,6 +1686,13 @@ asmlinkage void early_printk(const char
+@@ -271,6 +271,13 @@ asmlinkage void early_printk(const char
*/
static bool __read_mostly printk_killswitch;
diff --git a/debian/patches/features/all/rt/printk-kill.patch b/debian/patches/features/all/rt/printk-kill.patch
index 659eb63..30d9d56 100644
--- a/debian/patches/features/all/rt/printk-kill.patch
+++ b/debian/patches/features/all/rt/printk-kill.patch
@@ -1,7 +1,7 @@
Subject: printk: Add a printk kill switch
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 22 Jul 2011 17:58:40 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Add a prinkt-kill-switch. This is used from (NMI) watchdog to ensure that
it does not dead-lock with the early printk code.
@@ -9,9 +9,9 @@ it does not dead-lock with the early printk code.
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
---
include/linux/printk.h | 2 +
- kernel/printk/printk.c | 76 ++++++++++++++++++++++++++++++++++++-------------
+ kernel/printk/printk.c | 79 ++++++++++++++++++++++++++++++++++++-------------
kernel/watchdog.c | 10 ++++++
- 3 files changed, 68 insertions(+), 20 deletions(-)
+ 3 files changed, 71 insertions(+), 20 deletions(-)
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -29,9 +29,9 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
typedef __printf(1, 0) int (*printk_func_t)(const char *fmt, va_list args);
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
-@@ -1656,6 +1656,55 @@ static size_t cont_print_text(char *text
- return textlen;
- }
+@@ -241,6 +241,58 @@ struct printk_log {
+ */
+ static DEFINE_RAW_SPINLOCK(logbuf_lock);
+#ifdef CONFIG_EARLY_PRINTK
+struct console *early_console;
@@ -68,6 +68,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
+ printk_killswitch = true;
+}
+
++#ifdef CONFIG_PRINTK
+static int forced_early_printk(const char *fmt, va_list ap)
+{
+ if (!printk_killswitch)
@@ -75,6 +76,8 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
+ early_vprintk(fmt, ap);
+ return 1;
+}
++#endif
++
+#else
+static inline int forced_early_printk(const char *fmt, va_list ap)
+{
@@ -82,10 +85,10 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
+}
+#endif
+
- asmlinkage int vprintk_emit(int facility, int level,
- const char *dict, size_t dictlen,
- const char *fmt, va_list args)
-@@ -1672,6 +1721,13 @@ asmlinkage int vprintk_emit(int facility
+ #ifdef CONFIG_PRINTK
+ DECLARE_WAIT_QUEUE_HEAD(log_wait);
+ /* the next printk record to read by syslog(READ) or /proc/kmsg */
+@@ -1672,6 +1724,13 @@ asmlinkage int vprintk_emit(int facility
/* cpu currently holding logbuf_lock in this function */
static unsigned int logbuf_cpu = UINT_MAX;
@@ -99,7 +102,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
if (level == LOGLEVEL_SCHED) {
level = LOGLEVEL_DEFAULT;
in_sched = true;
-@@ -1961,26 +2017,6 @@ DEFINE_PER_CPU(printk_func_t, printk_fun
+@@ -1961,26 +2020,6 @@ DEFINE_PER_CPU(printk_func_t, printk_fun
#endif /* CONFIG_PRINTK */
diff --git a/debian/patches/features/all/rt/printk-rt-aware.patch b/debian/patches/features/all/rt/printk-rt-aware.patch
index 2aa515e..e8d05f3 100644
--- a/debian/patches/features/all/rt/printk-rt-aware.patch
+++ b/debian/patches/features/all/rt/printk-rt-aware.patch
@@ -1,7 +1,7 @@
Subject: printk: Make rt aware
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 19 Sep 2012 14:50:37 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Drop the lock before calling the console driver and do not disable
interrupts while printing to a serial console.
@@ -13,7 +13,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
-@@ -1443,6 +1443,7 @@ static void call_console_drivers(int lev
+@@ -1502,6 +1502,7 @@ static void call_console_drivers(int lev
if (!console_drivers)
return;
@@ -21,7 +21,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
for_each_console(con) {
if (exclusive_console && con != exclusive_console)
continue;
-@@ -1458,6 +1459,7 @@ static void call_console_drivers(int lev
+@@ -1517,6 +1518,7 @@ static void call_console_drivers(int lev
else
con->write(con, text, len);
}
@@ -29,7 +29,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
}
/*
-@@ -1518,6 +1520,15 @@ static inline int can_use_console(unsign
+@@ -1577,6 +1579,15 @@ static inline int can_use_console(unsign
static int console_trylock_for_printk(void)
{
unsigned int cpu = smp_processor_id();
@@ -45,7 +45,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
if (!console_trylock())
return 0;
-@@ -1876,8 +1887,7 @@ asmlinkage int vprintk_emit(int facility
+@@ -1879,8 +1890,7 @@ asmlinkage int vprintk_emit(int facility
* console_sem which would prevent anyone from printing to
* console
*/
@@ -55,7 +55,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
/*
* Try to acquire and then immediately release the console
* semaphore. The release will print out buffers and wake up
-@@ -1885,7 +1895,7 @@ asmlinkage int vprintk_emit(int facility
+@@ -1888,7 +1898,7 @@ asmlinkage int vprintk_emit(int facility
*/
if (console_trylock_for_printk())
console_unlock();
@@ -64,7 +64,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
lockdep_on();
}
-@@ -2245,11 +2255,16 @@ static void console_cont_flush(char *tex
+@@ -2248,11 +2258,16 @@ static void console_cont_flush(char *tex
goto out;
len = cont_print_text(text, size);
@@ -81,7 +81,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
return;
out:
raw_spin_unlock_irqrestore(&logbuf_lock, flags);
-@@ -2348,12 +2363,17 @@ void console_unlock(void)
+@@ -2351,12 +2366,17 @@ void console_unlock(void)
console_idx = log_next(console_idx);
console_seq++;
console_prev = msg->flags;
diff --git a/debian/patches/features/all/rt/ptrace-don-t-open-IRQs-in-ptrace_freeze_traced-too-e.patch b/debian/patches/features/all/rt/ptrace-don-t-open-IRQs-in-ptrace_freeze_traced-too-e.patch
index 7820a32..491eb94 100644
--- a/debian/patches/features/all/rt/ptrace-don-t-open-IRQs-in-ptrace_freeze_traced-too-e.patch
+++ b/debian/patches/features/all/rt/ptrace-don-t-open-IRQs-in-ptrace_freeze_traced-too-e.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 13 Jan 2016 14:09:05 +0100
Subject: ptrace: don't open IRQs in ptrace_freeze_traced() too early
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
In the non-RT case the spin_lock_irq() here disables interrupts as well
as raw_spin_lock_irq(). So in the unlock case the interrupts are enabled
diff --git a/debian/patches/features/all/rt/ptrace-fix-ptrace-vs-tasklist_lock-race.patch b/debian/patches/features/all/rt/ptrace-fix-ptrace-vs-tasklist_lock-race.patch
index ed5a7cb..cc59021 100644
--- a/debian/patches/features/all/rt/ptrace-fix-ptrace-vs-tasklist_lock-race.patch
+++ b/debian/patches/features/all/rt/ptrace-fix-ptrace-vs-tasklist_lock-race.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Thu, 29 Aug 2013 18:21:04 +0200
Subject: ptrace: fix ptrace vs tasklist_lock race
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
As explained by Alexander Fyodorov <halcy at yandex.ru>:
@@ -42,7 +42,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
#define task_contributes_to_load(task) \
((task->state & TASK_UNINTERRUPTIBLE) != 0 && \
(task->flags & PF_FROZEN) == 0 && \
-@@ -2983,6 +2980,51 @@ static inline int signal_pending_state(l
+@@ -2984,6 +2981,51 @@ static inline int signal_pending_state(l
return (state & TASK_INTERRUPTIBLE) || __fatal_signal_pending(p);
}
diff --git a/debian/patches/features/all/rt/radix-tree-rt-aware.patch b/debian/patches/features/all/rt/radix-tree-rt-aware.patch
index 97b1cea..3d66f6c 100644
--- a/debian/patches/features/all/rt/radix-tree-rt-aware.patch
+++ b/debian/patches/features/all/rt/radix-tree-rt-aware.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 17 Jul 2011 21:33:18 +0200
Subject: radix-tree: Make RT aware
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Disable radix_tree_preload() on -RT. This functions returns with
preemption disabled which may cause high latencies and breaks if the
diff --git a/debian/patches/features/all/rt/random-make-it-work-on-rt.patch b/debian/patches/features/all/rt/random-make-it-work-on-rt.patch
index 895b2be..567619d 100644
--- a/debian/patches/features/all/rt/random-make-it-work-on-rt.patch
+++ b/debian/patches/features/all/rt/random-make-it-work-on-rt.patch
@@ -1,7 +1,7 @@
Subject: random: Make it work on rt
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 21 Aug 2012 20:38:50 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Delegate the random insertion to the forced threaded interrupt
handler. Store the return IP of the hard interrupt handler in the irq
diff --git a/debian/patches/features/all/rt/rcu-Eliminate-softirq-processing-from-rcutree.patch b/debian/patches/features/all/rt/rcu-Eliminate-softirq-processing-from-rcutree.patch
index 0996339..85afe3b 100644
--- a/debian/patches/features/all/rt/rcu-Eliminate-softirq-processing-from-rcutree.patch
+++ b/debian/patches/features/all/rt/rcu-Eliminate-softirq-processing-from-rcutree.patch
@@ -1,7 +1,7 @@
From: "Paul E. McKenney" <paulmck at linux.vnet.ibm.com>
Date: Mon, 4 Nov 2013 13:21:10 -0800
Subject: rcu: Eliminate softirq processing from rcutree
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Running RCU out of softirq is a problem for some workloads that would
like to manage RCU core processing independently of other softirq work,
diff --git a/debian/patches/features/all/rt/rcu-disable-rcu-fast-no-hz-on-rt.patch b/debian/patches/features/all/rt/rcu-disable-rcu-fast-no-hz-on-rt.patch
index 70f6dbd..ef28966 100644
--- a/debian/patches/features/all/rt/rcu-disable-rcu-fast-no-hz-on-rt.patch
+++ b/debian/patches/features/all/rt/rcu-disable-rcu-fast-no-hz-on-rt.patch
@@ -1,7 +1,7 @@
Subject: rcu: Disable RCU_FAST_NO_HZ on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 28 Oct 2012 13:26:09 +0000
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
This uses a timer_list timer from the irq disabled guts of the idle
code. Disable it for now to prevent wreckage.
diff --git a/debian/patches/features/all/rt/rcu-make-RCU_BOOST-default-on-RT.patch b/debian/patches/features/all/rt/rcu-make-RCU_BOOST-default-on-RT.patch
index ba7cb58..d9deea5 100644
--- a/debian/patches/features/all/rt/rcu-make-RCU_BOOST-default-on-RT.patch
+++ b/debian/patches/features/all/rt/rcu-make-RCU_BOOST-default-on-RT.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 21 Mar 2014 20:19:05 +0100
Subject: rcu: make RCU_BOOST default on RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Since it is no longer invoked from the softirq people run into OOM more
often if the priority of the RCU thread is too low. Making boosting
diff --git a/debian/patches/features/all/rt/rcu-merge-rcu-bh-into-rcu-preempt-for-rt.patch b/debian/patches/features/all/rt/rcu-merge-rcu-bh-into-rcu-preempt-for-rt.patch
index 3ad308d..a6bdaab 100644
--- a/debian/patches/features/all/rt/rcu-merge-rcu-bh-into-rcu-preempt-for-rt.patch
+++ b/debian/patches/features/all/rt/rcu-merge-rcu-bh-into-rcu-preempt-for-rt.patch
@@ -1,7 +1,7 @@
Subject: rcu: Merge RCU-bh into RCU-preempt
Date: Wed, 5 Oct 2011 11:59:38 -0700
From: Thomas Gleixner <tglx at linutronix.de>
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The Linux kernel has long RCU-bh read-side critical sections that
intolerably increase scheduling latency under mainline's RCU-bh rules,
diff --git a/debian/patches/features/all/rt/rcu-more-swait-conversions.patch b/debian/patches/features/all/rt/rcu-more-swait-conversions.patch
index 7c4a0fc..9d8051c 100644
--- a/debian/patches/features/all/rt/rcu-more-swait-conversions.patch
+++ b/debian/patches/features/all/rt/rcu-more-swait-conversions.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 31 Jul 2013 19:00:35 +0200
Subject: rcu: use simple waitqueues
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Convert RCU's wait-queues into simple waitqueues.
diff --git a/debian/patches/features/all/rt/rcutree-rcu_bh_qs-disable-irq-while-calling-rcu_pree.patch b/debian/patches/features/all/rt/rcutree-rcu_bh_qs-disable-irq-while-calling-rcu_pree.patch
index f1cfc26..2e22c5d 100644
--- a/debian/patches/features/all/rt/rcutree-rcu_bh_qs-disable-irq-while-calling-rcu_pree.patch
+++ b/debian/patches/features/all/rt/rcutree-rcu_bh_qs-disable-irq-while-calling-rcu_pree.patch
@@ -1,7 +1,7 @@
From: Tiejun Chen <tiejun.chen at windriver.com>
Date: Wed, 18 Dec 2013 17:51:49 +0800
Subject: rcutree/rcu_bh_qs: Disable irq while calling rcu_preempt_qs()
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Any callers to the function rcu_preempt_qs() must disable irqs in
order to protect the assignment to ->rcu_read_unlock_special. In
diff --git a/debian/patches/features/all/rt/re-migrate_disable-race-with-cpu-hotplug-3f.patch b/debian/patches/features/all/rt/re-migrate_disable-race-with-cpu-hotplug-3f.patch
index d12c408..104c20f 100644
--- a/debian/patches/features/all/rt/re-migrate_disable-race-with-cpu-hotplug-3f.patch
+++ b/debian/patches/features/all/rt/re-migrate_disable-race-with-cpu-hotplug-3f.patch
@@ -1,7 +1,7 @@
From: Yong Zhang <yong.zhang0 at gmail.com>
Date: Thu, 28 Jul 2011 11:16:00 +0800
Subject: hotplug: Reread hotplug_pcp on pin_current_cpu() retry
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
When retry happens, it's likely that the task has been migrated to
another cpu (except unplug failed), but it still derefernces the
diff --git a/debian/patches/features/all/rt/re-preempt_rt_full-arm-coredump-fails-for-cpu-3e-3d-4.patch b/debian/patches/features/all/rt/re-preempt_rt_full-arm-coredump-fails-for-cpu-3e-3d-4.patch
index eebf0da..377e875 100644
--- a/debian/patches/features/all/rt/re-preempt_rt_full-arm-coredump-fails-for-cpu-3e-3d-4.patch
+++ b/debian/patches/features/all/rt/re-preempt_rt_full-arm-coredump-fails-for-cpu-3e-3d-4.patch
@@ -1,7 +1,7 @@
Subject: ARM: Initialize split page table locks for vector page
From: Frank Rowand <frank.rowand at am.sony.com>
Date: Sat, 1 Oct 2011 18:58:13 -0700
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Without this patch, ARM can not use SPLIT_PTLOCK_CPUS if
PREEMPT_RT_FULL=y because vectors_user_mapping() creates a
diff --git a/debian/patches/features/all/rt/relay-fix-timer-madness.patch b/debian/patches/features/all/rt/relay-fix-timer-madness.patch
index 6b25709..750dc09 100644
--- a/debian/patches/features/all/rt/relay-fix-timer-madness.patch
+++ b/debian/patches/features/all/rt/relay-fix-timer-madness.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:44:07 -0500
Subject: relay: Fix timer madness
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
remove timer calls (!!!) from deep within the tracing infrastructure.
This was totally bogus code that can cause lockups and worse. Poll
diff --git a/debian/patches/features/all/rt/rfc-arm-smp-__cpu_disable-fix-sleeping-function-called-from-invalid-context.patch b/debian/patches/features/all/rt/rfc-arm-smp-__cpu_disable-fix-sleeping-function-called-from-invalid-context.patch
index 44ef89a..7cb8205 100644
--- a/debian/patches/features/all/rt/rfc-arm-smp-__cpu_disable-fix-sleeping-function-called-from-invalid-context.patch
+++ b/debian/patches/features/all/rt/rfc-arm-smp-__cpu_disable-fix-sleeping-function-called-from-invalid-context.patch
@@ -1,7 +1,7 @@
Subject: ARM: smp: Move clear_tasks_mm_cpumask() call to __cpu_die()
From: Grygorii Strashko <grygorii.strashko at ti.com>
Date: Fri, 11 Sep 2015 21:21:23 +0300
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
When running with the RT-kernel (4.1.5-rt5) on TI OMAP dra7-evm and trying
to do Suspend to RAM, the following backtrace occurs:
diff --git a/debian/patches/features/all/rt/rt-add-rt-locks.patch b/debian/patches/features/all/rt/rt-add-rt-locks.patch
index 4dcb09a..18a3d3f 100644
--- a/debian/patches/features/all/rt/rt-add-rt-locks.patch
+++ b/debian/patches/features/all/rt/rt-add-rt-locks.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 26 Jul 2009 19:39:56 +0200
Subject: rt: Add the preempt-rt lock replacement APIs
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Map spinlocks, rwlocks, rw_semaphores and semaphores to the rt_mutex
based locking functions for preempt-rt.
@@ -598,7 +598,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
/* Task command name length */
#define TASK_COMM_LEN 16
-@@ -968,8 +973,18 @@ struct wake_q_head {
+@@ -969,8 +974,18 @@ struct wake_q_head {
struct wake_q_head name = { WAKE_Q_TAIL, &name.first }
extern void wake_q_add(struct wake_q_head *head,
diff --git a/debian/patches/features/all/rt/rt-introduce-cpu-chill.patch b/debian/patches/features/all/rt/rt-introduce-cpu-chill.patch
index ef52f61..2e87f33 100644
--- a/debian/patches/features/all/rt/rt-introduce-cpu-chill.patch
+++ b/debian/patches/features/all/rt/rt-introduce-cpu-chill.patch
@@ -1,7 +1,7 @@
Subject: rt: Introduce cpu_chill()
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 07 Mar 2012 20:51:03 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Retry loops on RT might loop forever when the modifying side was
preempted. Add cpu_chill() to replace cpu_relax(). cpu_chill()
diff --git a/debian/patches/features/all/rt/rt-local-irq-lock.patch b/debian/patches/features/all/rt/rt-local-irq-lock.patch
index 5271d10..5dff93f 100644
--- a/debian/patches/features/all/rt/rt-local-irq-lock.patch
+++ b/debian/patches/features/all/rt/rt-local-irq-lock.patch
@@ -1,7 +1,7 @@
Subject: rt: Add local irq locks
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 20 Jun 2011 09:03:47 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Introduce locallock. For !RT this maps to preempt_disable()/
local_irq_disable() so there is not much that changes. For RT this will
diff --git a/debian/patches/features/all/rt/rt-preempt-base-config.patch b/debian/patches/features/all/rt/rt-preempt-base-config.patch
index 9cbdba6..7460614 100644
--- a/debian/patches/features/all/rt/rt-preempt-base-config.patch
+++ b/debian/patches/features/all/rt/rt-preempt-base-config.patch
@@ -1,7 +1,7 @@
Subject: rt: Provide PREEMPT_RT_BASE config switch
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 17 Jun 2011 12:39:57 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Introduce PREEMPT_RT_BASE which enables parts of
PREEMPT_RT_FULL. Forces interrupt threading and enables some of the RT
diff --git a/debian/patches/features/all/rt/rt-serial-warn-fix.patch b/debian/patches/features/all/rt/rt-serial-warn-fix.patch
index 13d0d68..4af3008 100644
--- a/debian/patches/features/all/rt/rt-serial-warn-fix.patch
+++ b/debian/patches/features/all/rt/rt-serial-warn-fix.patch
@@ -1,7 +1,7 @@
Subject: rt: Improve the serial console PASS_LIMIT
From: Ingo Molnar <mingo at elte.hu>
Date: Wed Dec 14 13:05:54 CET 2011
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Beyond the warning:
diff --git a/debian/patches/features/all/rt/rtmutex--Handle-non-enqueued-waiters-gracefully b/debian/patches/features/all/rt/rtmutex--Handle-non-enqueued-waiters-gracefully
index 9bf5bcf..2b0b2ff 100644
--- a/debian/patches/features/all/rt/rtmutex--Handle-non-enqueued-waiters-gracefully
+++ b/debian/patches/features/all/rt/rtmutex--Handle-non-enqueued-waiters-gracefully
@@ -1,7 +1,7 @@
Subject: rtmutex: Handle non enqueued waiters gracefully
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 06 Nov 2015 18:51:03 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Yimin debugged that in case of a PI wakeup in progress when
rt_mutex_start_proxy_lock() calls task_blocks_on_rt_mutex() the latter
diff --git a/debian/patches/features/all/rt/rtmutex-Use-chainwalking-control-enum.patch b/debian/patches/features/all/rt/rtmutex-Use-chainwalking-control-enum.patch
index 770da26..5a97e49 100644
--- a/debian/patches/features/all/rt/rtmutex-Use-chainwalking-control-enum.patch
+++ b/debian/patches/features/all/rt/rtmutex-Use-chainwalking-control-enum.patch
@@ -1,7 +1,7 @@
From: "bmouring at ni.com" <bmouring at ni.com>
Date: Tue, 15 Dec 2015 17:07:30 -0600
Subject: rtmutex: Use chainwalking control enum
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
In 8930ed80 (rtmutex: Cleanup deadlock detector debug logic),
chainwalking control enums were introduced to limit the deadlock
diff --git a/debian/patches/features/all/rt/rtmutex-add-a-first-shot-of-ww_mutex.patch b/debian/patches/features/all/rt/rtmutex-add-a-first-shot-of-ww_mutex.patch
index de6c9de..3e5b273 100644
--- a/debian/patches/features/all/rt/rtmutex-add-a-first-shot-of-ww_mutex.patch
+++ b/debian/patches/features/all/rt/rtmutex-add-a-first-shot-of-ww_mutex.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <sebastian at breakpoint.cc>
Date: Mon, 28 Oct 2013 09:36:37 +0100
Subject: rtmutex: Add RT aware ww locks
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
lockdep says:
| --------------------------------------------------------------------------
diff --git a/debian/patches/features/all/rt/rtmutex-avoid-include-hell.patch b/debian/patches/features/all/rt/rtmutex-avoid-include-hell.patch
index cf236bb..a55e6c0 100644
--- a/debian/patches/features/all/rt/rtmutex-avoid-include-hell.patch
+++ b/debian/patches/features/all/rt/rtmutex-avoid-include-hell.patch
@@ -1,7 +1,7 @@
Subject: rtmutex: Avoid include hell
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 29 Jun 2011 20:06:39 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Include only the required raw types. This avoids pulling in the
complete spinlock header which in turn requires rtmutex.h at some point.
diff --git a/debian/patches/features/all/rt/rtmutex-futex-prepare-rt.patch b/debian/patches/features/all/rt/rtmutex-futex-prepare-rt.patch
index 81a2042..c7e99eb 100644
--- a/debian/patches/features/all/rt/rtmutex-futex-prepare-rt.patch
+++ b/debian/patches/features/all/rt/rtmutex-futex-prepare-rt.patch
@@ -1,7 +1,7 @@
Subject: rtmutex: Handle the various new futex race conditions
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 10 Jun 2011 11:04:15 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
RT opens a few new interesting race conditions in the rtmutex/futex
combo due to futex hash bucket lock being a 'sleeping' spinlock and
diff --git a/debian/patches/features/all/rt/rtmutex-lock-killable.patch b/debian/patches/features/all/rt/rtmutex-lock-killable.patch
index d79380b..734f66a 100644
--- a/debian/patches/features/all/rt/rtmutex-lock-killable.patch
+++ b/debian/patches/features/all/rt/rtmutex-lock-killable.patch
@@ -1,7 +1,7 @@
Subject: rtmutex: Add rtmutex_lock_killable()
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 09 Jun 2011 11:43:52 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Add "killable" type to rtmutex. We need this since rtmutex are used as
"normal" mutexes which do use this type.
diff --git a/debian/patches/features/all/rt/rtmutex-trylock-is-okay-on-RT.patch b/debian/patches/features/all/rt/rtmutex-trylock-is-okay-on-RT.patch
index c2f53cf..dc7a403 100644
--- a/debian/patches/features/all/rt/rtmutex-trylock-is-okay-on-RT.patch
+++ b/debian/patches/features/all/rt/rtmutex-trylock-is-okay-on-RT.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed 02 Dec 2015 11:34:07 +0100
Subject: rtmutex: trylock is okay on -RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
non-RT kernel could deadlock on rt_mutex_trylock() in softirq context. On
-RT we don't run softirqs in IRQ context but in thread context so it is
diff --git a/debian/patches/features/all/rt/rtmutex_dont_include_rcu.patch b/debian/patches/features/all/rt/rtmutex_dont_include_rcu.patch
index bcdf84d..f7713d1 100644
--- a/debian/patches/features/all/rt/rtmutex_dont_include_rcu.patch
+++ b/debian/patches/features/all/rt/rtmutex_dont_include_rcu.patch
@@ -1,6 +1,6 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Subject: rbtree: don't include the rcu header
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The RCU header pulls in spinlock.h and fails due not yet defined types:
diff --git a/debian/patches/features/all/rt/sas-ata-isci-dont-t-disable-interrupts-in-qc_issue-h.patch b/debian/patches/features/all/rt/sas-ata-isci-dont-t-disable-interrupts-in-qc_issue-h.patch
index 68fbaae..d266152 100644
--- a/debian/patches/features/all/rt/sas-ata-isci-dont-t-disable-interrupts-in-qc_issue-h.patch
+++ b/debian/patches/features/all/rt/sas-ata-isci-dont-t-disable-interrupts-in-qc_issue-h.patch
@@ -1,7 +1,7 @@
From: Paul Gortmaker <paul.gortmaker at windriver.com>
Date: Sat, 14 Feb 2015 11:01:16 -0500
Subject: sas-ata/isci: dont't disable interrupts in qc_issue handler
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On 3.14-rt we see the following trace on Canoe Pass for
SCSI_ISCI "Intel(R) C600 Series Chipset SAS Controller"
diff --git a/debian/patches/features/all/rt/sched-deadline-dl_task_timer-has-to-be-irqsafe.patch b/debian/patches/features/all/rt/sched-deadline-dl_task_timer-has-to-be-irqsafe.patch
index f8fb008..8678f1c 100644
--- a/debian/patches/features/all/rt/sched-deadline-dl_task_timer-has-to-be-irqsafe.patch
+++ b/debian/patches/features/all/rt/sched-deadline-dl_task_timer-has-to-be-irqsafe.patch
@@ -1,7 +1,7 @@
From: Juri Lelli <juri.lelli at gmail.com>
Date: Tue, 13 May 2014 15:30:20 +0200
Subject: sched/deadline: dl_task_timer has to be irqsafe
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
As for rt_period_timer, dl_task_timer has to be irqsafe.
diff --git a/debian/patches/features/all/rt/sched-delay-put-task.patch b/debian/patches/features/all/rt/sched-delay-put-task.patch
index a6802be..520267b 100644
--- a/debian/patches/features/all/rt/sched-delay-put-task.patch
+++ b/debian/patches/features/all/rt/sched-delay-put-task.patch
@@ -1,7 +1,7 @@
Subject: sched: Move task_struct cleanup to RCU
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 31 May 2011 16:59:16 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
__put_task_struct() does quite some expensive work. We don't want to
burden random tasks with that.
@@ -14,7 +14,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1830,6 +1830,9 @@ struct task_struct {
+@@ -1831,6 +1831,9 @@ struct task_struct {
unsigned int sequential_io;
unsigned int sequential_io_avg;
#endif
@@ -24,7 +24,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
#ifdef CONFIG_DEBUG_ATOMIC_SLEEP
unsigned long task_state_change;
#endif
-@@ -2039,6 +2042,15 @@ extern struct pid *cad_pid;
+@@ -2040,6 +2043,15 @@ extern struct pid *cad_pid;
extern void free_task(struct task_struct *tsk);
#define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0)
@@ -40,7 +40,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
extern void __put_task_struct(struct task_struct *t);
static inline void put_task_struct(struct task_struct *t)
-@@ -2046,6 +2058,7 @@ static inline void put_task_struct(struc
+@@ -2047,6 +2059,7 @@ static inline void put_task_struct(struc
if (atomic_dec_and_test(&t->usage))
__put_task_struct(t);
}
diff --git a/debian/patches/features/all/rt/sched-disable-rt-group-sched-on-rt.patch b/debian/patches/features/all/rt/sched-disable-rt-group-sched-on-rt.patch
index 88bf221..d6e5990 100644
--- a/debian/patches/features/all/rt/sched-disable-rt-group-sched-on-rt.patch
+++ b/debian/patches/features/all/rt/sched-disable-rt-group-sched-on-rt.patch
@@ -1,7 +1,7 @@
Subject: sched: Disable CONFIG_RT_GROUP_SCHED on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 18 Jul 2011 17:03:52 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Carsten reported problems when running:
diff --git a/debian/patches/features/all/rt/sched-disable-ttwu-queue.patch b/debian/patches/features/all/rt/sched-disable-ttwu-queue.patch
index e11a561..8727490 100644
--- a/debian/patches/features/all/rt/sched-disable-ttwu-queue.patch
+++ b/debian/patches/features/all/rt/sched-disable-ttwu-queue.patch
@@ -1,7 +1,7 @@
Subject: sched: Disable TTWU_QUEUE on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 13 Sep 2011 16:42:35 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The queued remote wakeup mechanism can introduce rather large
latencies if the number of migrated tasks is high. Disable it for RT.
diff --git a/debian/patches/features/all/rt/sched-limit-nr-migrate.patch b/debian/patches/features/all/rt/sched-limit-nr-migrate.patch
index da9cacd..9ec18bb 100644
--- a/debian/patches/features/all/rt/sched-limit-nr-migrate.patch
+++ b/debian/patches/features/all/rt/sched-limit-nr-migrate.patch
@@ -1,7 +1,7 @@
Subject: sched: Limit the number of task migrations per batch
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 06 Jun 2011 12:12:51 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Put an upper limit on the number of tasks which are migrated per batch
to avoid large latencies.
diff --git a/debian/patches/features/all/rt/sched-might-sleep-do-not-account-rcu-depth.patch b/debian/patches/features/all/rt/sched-might-sleep-do-not-account-rcu-depth.patch
index c676055..8057436 100644
--- a/debian/patches/features/all/rt/sched-might-sleep-do-not-account-rcu-depth.patch
+++ b/debian/patches/features/all/rt/sched-might-sleep-do-not-account-rcu-depth.patch
@@ -1,7 +1,7 @@
Subject: sched: Do not account rcu_preempt_depth on RT in might_sleep()
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 07 Jun 2011 09:19:06 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
RT changes the rcu_preempt_depth semantics, so we cannot check for it
in might_sleep().
@@ -37,7 +37,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
/* Internal to kernel */
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
-@@ -7668,7 +7668,7 @@ void __init sched_init(void)
+@@ -7667,7 +7667,7 @@ void __init sched_init(void)
#ifdef CONFIG_DEBUG_ATOMIC_SLEEP
static inline int preempt_count_equals(int preempt_offset)
{
diff --git a/debian/patches/features/all/rt/sched-mmdrop-delayed.patch b/debian/patches/features/all/rt/sched-mmdrop-delayed.patch
index a34fa38..92e2c87 100644
--- a/debian/patches/features/all/rt/sched-mmdrop-delayed.patch
+++ b/debian/patches/features/all/rt/sched-mmdrop-delayed.patch
@@ -1,7 +1,7 @@
Subject: sched: Move mmdrop to RCU on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 06 Jun 2011 12:20:33 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Takes sleeping locks and calls into the memory allocator, so nothing
we want to do in task switch and oder atomic contexts.
@@ -36,7 +36,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
void __user *bd_addr;
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -2605,12 +2605,24 @@ extern struct mm_struct * mm_alloc(void)
+@@ -2606,12 +2606,24 @@ extern struct mm_struct * mm_alloc(void)
/* mmdrop drops the mm and the page tables */
extern void __mmdrop(struct mm_struct *);
@@ -99,7 +99,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
if (unlikely(prev_state == TASK_DEAD)) {
if (prev->sched_class->task_dead)
prev->sched_class->task_dead(prev);
-@@ -5256,6 +5260,8 @@ void sched_setnuma(struct task_struct *p
+@@ -5255,6 +5259,8 @@ void sched_setnuma(struct task_struct *p
#endif /* CONFIG_NUMA_BALANCING */
#ifdef CONFIG_HOTPLUG_CPU
@@ -108,7 +108,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
/*
* Ensures that the idle task is using init_mm right before its cpu goes
* offline.
-@@ -5270,7 +5276,11 @@ void idle_task_exit(void)
+@@ -5269,7 +5275,11 @@ void idle_task_exit(void)
switch_mm(mm, &init_mm, current);
finish_arch_post_lock_switch();
}
@@ -121,7 +121,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
}
/*
-@@ -5642,6 +5652,10 @@ migration_call(struct notifier_block *nf
+@@ -5641,6 +5651,10 @@ migration_call(struct notifier_block *nf
case CPU_DEAD:
calc_load_migrate(rq);
diff --git a/debian/patches/features/all/rt/sched-provide-a-tsk_nr_cpus_allowed-helper.patch b/debian/patches/features/all/rt/sched-provide-a-tsk_nr_cpus_allowed-helper.patch
index 6aa7051..8ee93b4 100644
--- a/debian/patches/features/all/rt/sched-provide-a-tsk_nr_cpus_allowed-helper.patch
+++ b/debian/patches/features/all/rt/sched-provide-a-tsk_nr_cpus_allowed-helper.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 18 Jan 2016 17:21:59 +0100
Subject: sched: provide a tsk_nr_cpus_allowed() helper
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
tsk_nr_cpus_allowed() is an accessor for task->nr_cpus_allowed which allows
us to change the representation of ->nr_cpus_allowed if required.
@@ -17,7 +17,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1832,6 +1832,11 @@ extern int arch_task_struct_size __read_
+@@ -1833,6 +1833,11 @@ extern int arch_task_struct_size __read_
/* Future-safe accessor for struct task_struct's cpus_allowed. */
#define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed)
diff --git a/debian/patches/features/all/rt/sched-rt-mutex-wakeup.patch b/debian/patches/features/all/rt/sched-rt-mutex-wakeup.patch
index e2a2e80..bdd8df1 100644
--- a/debian/patches/features/all/rt/sched-rt-mutex-wakeup.patch
+++ b/debian/patches/features/all/rt/sched-rt-mutex-wakeup.patch
@@ -1,7 +1,7 @@
Subject: sched: Add saved_state for tasks blocked on sleeping locks
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sat, 25 Jun 2011 09:21:04 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Spinlocks are state preserving in !RT. RT changes the state when a
task gets blocked on a lock. So we need to remember the state before
@@ -18,7 +18,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1377,6 +1377,7 @@ struct tlbflush_unmap_batch {
+@@ -1378,6 +1378,7 @@ struct tlbflush_unmap_batch {
struct task_struct {
volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */
@@ -26,7 +26,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
void *stack;
atomic_t usage;
unsigned int flags; /* per process flags, defined below */
-@@ -2482,6 +2483,7 @@ extern void xtime_update(unsigned long t
+@@ -2483,6 +2484,7 @@ extern void xtime_update(unsigned long t
extern int wake_up_state(struct task_struct *tsk, unsigned int state);
extern int wake_up_process(struct task_struct *tsk);
diff --git a/debian/patches/features/all/rt/sched-ttwu-ensure-success-return-is-correct.patch b/debian/patches/features/all/rt/sched-ttwu-ensure-success-return-is-correct.patch
index 3e5cff8..4552234 100644
--- a/debian/patches/features/all/rt/sched-ttwu-ensure-success-return-is-correct.patch
+++ b/debian/patches/features/all/rt/sched-ttwu-ensure-success-return-is-correct.patch
@@ -1,7 +1,7 @@
Subject: sched: ttwu: Return success when only changing the saved_state value
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 13 Dec 2011 21:42:19 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
When a task blocks on a rt lock, it saves the current state in
p->saved_state, so a lock related wake up will not destroy the
diff --git a/debian/patches/features/all/rt/sched-use-tsk_cpus_allowed-instead-of-accessing-cpus.patch b/debian/patches/features/all/rt/sched-use-tsk_cpus_allowed-instead-of-accessing-cpus.patch
index 70e03fc..76ab873 100644
--- a/debian/patches/features/all/rt/sched-use-tsk_cpus_allowed-instead-of-accessing-cpus.patch
+++ b/debian/patches/features/all/rt/sched-use-tsk_cpus_allowed-instead-of-accessing-cpus.patch
@@ -2,7 +2,7 @@ From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 18 Jan 2016 17:10:39 +0100
Subject: sched: use tsk_cpus_allowed() instead of accessing
->cpus_allowed
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use the future-safe accessor for struct task_struct's.
diff --git a/debian/patches/features/all/rt/sched-workqueue-Only-wake-up-idle-workers-if-not-blo.patch b/debian/patches/features/all/rt/sched-workqueue-Only-wake-up-idle-workers-if-not-blo.patch
index 3c472e8..4d29058 100644
--- a/debian/patches/features/all/rt/sched-workqueue-Only-wake-up-idle-workers-if-not-blo.patch
+++ b/debian/patches/features/all/rt/sched-workqueue-Only-wake-up-idle-workers-if-not-blo.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt at goodmis.org>
Date: Mon, 18 Mar 2013 15:12:49 -0400
Subject: sched/workqueue: Only wake up idle workers if not blocked on sleeping spin lock
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
In -rt, most spin_locks() turn into mutexes. One of these spin_lock
conversions is performed on the workqueue gcwq->lock. When the idle
@@ -24,7 +24,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
-@@ -3265,8 +3265,10 @@ static void __sched notrace __schedule(b
+@@ -3264,8 +3264,10 @@ static void __sched notrace __schedule(b
* If a worker went to sleep, notify and ask workqueue
* whether it wants to wake up a task to maintain
* concurrency.
diff --git a/debian/patches/features/all/rt/scsi-fcoe-rt-aware.patch b/debian/patches/features/all/rt/scsi-fcoe-rt-aware.patch
index f58fe27..4d9f12b 100644
--- a/debian/patches/features/all/rt/scsi-fcoe-rt-aware.patch
+++ b/debian/patches/features/all/rt/scsi-fcoe-rt-aware.patch
@@ -1,7 +1,7 @@
Subject: scsi/fcoe: Make RT aware.
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sat, 12 Nov 2011 14:00:48 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Do not disable preemption while taking sleeping locks. All user look safe
for migrate_diable() only.
diff --git a/debian/patches/features/all/rt/scsi-qla2xxx-fix-bug-sleeping-function-called-from-invalid-context.patch b/debian/patches/features/all/rt/scsi-qla2xxx-fix-bug-sleeping-function-called-from-invalid-context.patch
index b71a5be..38a14ae 100644
--- a/debian/patches/features/all/rt/scsi-qla2xxx-fix-bug-sleeping-function-called-from-invalid-context.patch
+++ b/debian/patches/features/all/rt/scsi-qla2xxx-fix-bug-sleeping-function-called-from-invalid-context.patch
@@ -1,7 +1,7 @@
Subject: scsi: qla2xxx: Use local_irq_save_nort() in qla2x00_poll
From: John Kacur <jkacur at redhat.com>
Date: Fri, 27 Apr 2012 12:48:46 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
RT triggers the following:
diff --git a/debian/patches/features/all/rt/seqlock-prevent-rt-starvation.patch b/debian/patches/features/all/rt/seqlock-prevent-rt-starvation.patch
index 6b696ed..64e8d2c 100644
--- a/debian/patches/features/all/rt/seqlock-prevent-rt-starvation.patch
+++ b/debian/patches/features/all/rt/seqlock-prevent-rt-starvation.patch
@@ -1,7 +1,7 @@
Subject: seqlock: Prevent rt starvation
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 22 Feb 2012 12:03:30 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
If a low prio writer gets preempted while holding the seqlock write
locked, a high prio reader spins forever on RT.
diff --git a/debian/patches/features/all/rt/signal-fix-up-rcu-wreckage.patch b/debian/patches/features/all/rt/signal-fix-up-rcu-wreckage.patch
index e4c6548..272de11 100644
--- a/debian/patches/features/all/rt/signal-fix-up-rcu-wreckage.patch
+++ b/debian/patches/features/all/rt/signal-fix-up-rcu-wreckage.patch
@@ -1,7 +1,7 @@
Subject: signal: Make __lock_task_sighand() RT aware
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 22 Jul 2011 08:07:08 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
local_irq_save() + spin_lock(&sighand->siglock) does not work on
-RT. Use the nort variants.
diff --git a/debian/patches/features/all/rt/signal-revert-ptrace-preempt-magic.patch b/debian/patches/features/all/rt/signal-revert-ptrace-preempt-magic.patch
index 80cea00..1bd5154 100644
--- a/debian/patches/features/all/rt/signal-revert-ptrace-preempt-magic.patch
+++ b/debian/patches/features/all/rt/signal-revert-ptrace-preempt-magic.patch
@@ -1,7 +1,7 @@
Subject: signal: Revert ptrace preempt magic
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 21 Sep 2011 19:57:12 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Upstream commit '53da1d9456fe7f8 fix ptrace slowness' is nothing more
than a bandaid around the ptrace design trainwreck. It's not a
diff --git a/debian/patches/features/all/rt/signals-allow-rt-tasks-to-cache-one-sigqueue-struct.patch b/debian/patches/features/all/rt/signals-allow-rt-tasks-to-cache-one-sigqueue-struct.patch
index 5a5b1a9..d52e3fc 100644
--- a/debian/patches/features/all/rt/signals-allow-rt-tasks-to-cache-one-sigqueue-struct.patch
+++ b/debian/patches/features/all/rt/signals-allow-rt-tasks-to-cache-one-sigqueue-struct.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 3 Jul 2009 08:44:56 -0500
Subject: signals: Allow rt tasks to cache one sigqueue struct
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
To avoid allocation allow rt tasks to cache one sigqueue struct in
task struct.
@@ -18,7 +18,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1567,6 +1567,7 @@ struct task_struct {
+@@ -1568,6 +1568,7 @@ struct task_struct {
/* signal handlers */
struct signal_struct *signal;
struct sighand_struct *sighand;
diff --git a/debian/patches/features/all/rt/skbufhead-raw-lock.patch b/debian/patches/features/all/rt/skbufhead-raw-lock.patch
index d82bf1f..a225c85 100644
--- a/debian/patches/features/all/rt/skbufhead-raw-lock.patch
+++ b/debian/patches/features/all/rt/skbufhead-raw-lock.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 12 Jul 2011 15:38:34 +0200
Subject: net: Use skbufhead with raw lock
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use the rps lock as rawlock so we can keep irq-off regions. It looks low
latency. However we can't kfree() from this context therefore we defer this
@@ -66,7 +66,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
#endif
}
-@@ -4045,7 +4045,7 @@ static void flush_backlog(void *arg)
+@@ -4050,7 +4050,7 @@ static void flush_backlog(void *arg)
skb_queue_walk_safe(&sd->input_pkt_queue, skb, tmp) {
if (skb->dev == dev) {
__skb_unlink(skb, &sd->input_pkt_queue);
@@ -75,7 +75,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
input_queue_head_incr(sd);
}
}
-@@ -4054,10 +4054,13 @@ static void flush_backlog(void *arg)
+@@ -4059,10 +4059,13 @@ static void flush_backlog(void *arg)
skb_queue_walk_safe(&sd->process_queue, skb, tmp) {
if (skb->dev == dev) {
__skb_unlink(skb, &sd->process_queue);
@@ -90,7 +90,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
}
static int napi_gro_complete(struct sk_buff *skb)
-@@ -7464,6 +7467,9 @@ static int dev_cpu_callback(struct notif
+@@ -7469,6 +7472,9 @@ static int dev_cpu_callback(struct notif
netif_rx_ni(skb);
input_queue_head_incr(oldsd);
}
@@ -100,7 +100,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
return NOTIFY_OK;
}
-@@ -7765,8 +7771,9 @@ static int __init net_dev_init(void)
+@@ -7770,8 +7776,9 @@ static int __init net_dev_init(void)
for_each_possible_cpu(i) {
struct softnet_data *sd = &per_cpu(softnet_data, i);
diff --git a/debian/patches/features/all/rt/slub-disable-SLUB_CPU_PARTIAL.patch b/debian/patches/features/all/rt/slub-disable-SLUB_CPU_PARTIAL.patch
index 36a7015..1acfe0e 100644
--- a/debian/patches/features/all/rt/slub-disable-SLUB_CPU_PARTIAL.patch
+++ b/debian/patches/features/all/rt/slub-disable-SLUB_CPU_PARTIAL.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 15 Apr 2015 19:00:47 +0200
Subject: slub: Disable SLUB_CPU_PARTIAL
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
|BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:915
|in_atomic(): 1, irqs_disabled(): 0, pid: 87, name: rcuop/7
diff --git a/debian/patches/features/all/rt/slub-enable-irqs-for-no-wait.patch b/debian/patches/features/all/rt/slub-enable-irqs-for-no-wait.patch
index 968ad91..6c288a0 100644
--- a/debian/patches/features/all/rt/slub-enable-irqs-for-no-wait.patch
+++ b/debian/patches/features/all/rt/slub-enable-irqs-for-no-wait.patch
@@ -1,7 +1,7 @@
Subject: slub: Enable irqs for __GFP_WAIT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 09 Jan 2013 12:08:15 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
SYSTEM_RUNNING might be too late for enabling interrupts. Allocations
with GFP_WAIT can happen before that. So use this as an indicator.
diff --git a/debian/patches/features/all/rt/snd-pcm-fix-snd_pcm_stream_lock-irqs_disabled-splats.patch b/debian/patches/features/all/rt/snd-pcm-fix-snd_pcm_stream_lock-irqs_disabled-splats.patch
index 80047cf..2a11c06 100644
--- a/debian/patches/features/all/rt/snd-pcm-fix-snd_pcm_stream_lock-irqs_disabled-splats.patch
+++ b/debian/patches/features/all/rt/snd-pcm-fix-snd_pcm_stream_lock-irqs_disabled-splats.patch
@@ -1,7 +1,7 @@
From: Mike Galbraith <umgwanakikbuti at gmail.com>
Date: Wed, 18 Feb 2015 15:09:23 +0100
Subject: snd/pcm: fix snd_pcm_stream_lock*() irqs_disabled() splats
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Locking functions previously using read_lock_irq()/read_lock_irqsave() were
changed to local_irq_disable/save(), leading to gripes. Use nort variants.
diff --git a/debian/patches/features/all/rt/softirq-disable-softirq-stacks-for-rt.patch b/debian/patches/features/all/rt/softirq-disable-softirq-stacks-for-rt.patch
index 696d8c8..21b4055 100644
--- a/debian/patches/features/all/rt/softirq-disable-softirq-stacks-for-rt.patch
+++ b/debian/patches/features/all/rt/softirq-disable-softirq-stacks-for-rt.patch
@@ -1,7 +1,7 @@
Subject: softirq: Disable softirq stacks for RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 18 Jul 2011 13:59:17 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Disable extra stacks for softirqs. We want to preempt softirqs and
having them on special IRQ-stack does not make this easier.
diff --git a/debian/patches/features/all/rt/softirq-preempt-fix-3-re.patch b/debian/patches/features/all/rt/softirq-preempt-fix-3-re.patch
index 6aa4931..70a3d73 100644
--- a/debian/patches/features/all/rt/softirq-preempt-fix-3-re.patch
+++ b/debian/patches/features/all/rt/softirq-preempt-fix-3-re.patch
@@ -1,7 +1,7 @@
Subject: softirq: Check preemption after reenabling interrupts
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 13 Nov 2011 17:17:09 +0100 (CET)
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
raise_softirq_irqoff() disables interrupts and wakes the softirq
daemon, but after reenabling interrupts there is no preemption check,
@@ -112,7 +112,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
}
EXPORT_SYMBOL(__dev_kfree_skb_irq);
-@@ -3519,6 +3521,7 @@ static int enqueue_to_backlog(struct sk_
+@@ -3524,6 +3526,7 @@ static int enqueue_to_backlog(struct sk_
rps_unlock(sd);
local_irq_restore(flags);
@@ -120,7 +120,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
atomic_long_inc(&skb->dev->rx_dropped);
kfree_skb(skb);
-@@ -4507,6 +4510,7 @@ static void net_rps_action_and_irq_enabl
+@@ -4512,6 +4515,7 @@ static void net_rps_action_and_irq_enabl
sd->rps_ipi_list = NULL;
local_irq_enable();
@@ -128,7 +128,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
/* Send pending IPI's to kick RPS processing on remote cpus. */
while (remsd) {
-@@ -4520,6 +4524,7 @@ static void net_rps_action_and_irq_enabl
+@@ -4525,6 +4529,7 @@ static void net_rps_action_and_irq_enabl
} else
#endif
local_irq_enable();
@@ -136,7 +136,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
}
static bool sd_has_rps_ipi_waiting(struct softnet_data *sd)
-@@ -4601,6 +4606,7 @@ void __napi_schedule(struct napi_struct
+@@ -4606,6 +4611,7 @@ void __napi_schedule(struct napi_struct
local_irq_save(flags);
____napi_schedule(this_cpu_ptr(&softnet_data), n);
local_irq_restore(flags);
@@ -144,7 +144,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
}
EXPORT_SYMBOL(__napi_schedule);
-@@ -7449,6 +7455,7 @@ static int dev_cpu_callback(struct notif
+@@ -7454,6 +7460,7 @@ static int dev_cpu_callback(struct notif
raise_softirq_irqoff(NET_TX_SOFTIRQ);
local_irq_enable();
diff --git a/debian/patches/features/all/rt/softirq-split-locks.patch b/debian/patches/features/all/rt/softirq-split-locks.patch
index d994b31..3c38f4f 100644
--- a/debian/patches/features/all/rt/softirq-split-locks.patch
+++ b/debian/patches/features/all/rt/softirq-split-locks.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 04 Oct 2012 14:20:47 +0100
Subject: softirq: Split softirq locks
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The 3.x RT series removed the split softirq implementation in favour
of pushing softirq processing into the context of the thread which
@@ -173,7 +173,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
* Are we in NMI context?
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1833,6 +1833,8 @@ struct task_struct {
+@@ -1834,6 +1834,8 @@ struct task_struct {
#endif
#ifdef CONFIG_PREEMPT_RT_BASE
struct rcu_head put_rcu;
@@ -182,7 +182,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
#endif
#ifdef CONFIG_DEBUG_ATOMIC_SLEEP
unsigned long task_state_change;
-@@ -2098,6 +2100,7 @@ extern void thread_group_cputime_adjuste
+@@ -2099,6 +2101,7 @@ extern void thread_group_cputime_adjuste
/*
* Per process flags
*/
@@ -804,7 +804,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -3590,11 +3590,9 @@ int netif_rx_ni(struct sk_buff *skb)
+@@ -3595,11 +3595,9 @@ int netif_rx_ni(struct sk_buff *skb)
trace_netif_rx_ni_entry(skb);
diff --git a/debian/patches/features/all/rt/softirq-split-timer-softirqs-out-of-ksoftirqd.patch b/debian/patches/features/all/rt/softirq-split-timer-softirqs-out-of-ksoftirqd.patch
index a42c7ac..38bb454 100644
--- a/debian/patches/features/all/rt/softirq-split-timer-softirqs-out-of-ksoftirqd.patch
+++ b/debian/patches/features/all/rt/softirq-split-timer-softirqs-out-of-ksoftirqd.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Wed, 20 Jan 2016 16:34:17 +0100
Subject: softirq: split timer softirqs out of ksoftirqd
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The softirqd runs in -RT with SCHED_FIFO (prio 1) and deals mostly with
timer wakeup which can not happen in hardirq context. The prio has been
diff --git a/debian/patches/features/all/rt/sparc64-use-generic-rwsem-spinlocks-rt.patch b/debian/patches/features/all/rt/sparc64-use-generic-rwsem-spinlocks-rt.patch
index a7f0658..9377108 100644
--- a/debian/patches/features/all/rt/sparc64-use-generic-rwsem-spinlocks-rt.patch
+++ b/debian/patches/features/all/rt/sparc64-use-generic-rwsem-spinlocks-rt.patch
@@ -1,7 +1,7 @@
From: Allen Pais <allen.pais at oracle.com>
Date: Fri, 13 Dec 2013 09:44:41 +0530
Subject: sparc64: use generic rwsem spinlocks rt
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Signed-off-by: Allen Pais <allen.pais at oracle.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
diff --git a/debian/patches/features/all/rt/spinlock-types-separate-raw.patch b/debian/patches/features/all/rt/spinlock-types-separate-raw.patch
index e4fb488..38f0082 100644
--- a/debian/patches/features/all/rt/spinlock-types-separate-raw.patch
+++ b/debian/patches/features/all/rt/spinlock-types-separate-raw.patch
@@ -1,7 +1,7 @@
Subject: spinlock: Split the lock types header
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 29 Jun 2011 19:34:01 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Split raw_spinlock into its own file and the remaining spinlock_t into
its own non-RT header. The non-RT header will be replaced later by sleeping
diff --git a/debian/patches/features/all/rt/stomp-machine-create-lg_global_trylock_relax-primiti.patch b/debian/patches/features/all/rt/stomp-machine-create-lg_global_trylock_relax-primiti.patch
index 6e801c1..0381393 100644
--- a/debian/patches/features/all/rt/stomp-machine-create-lg_global_trylock_relax-primiti.patch
+++ b/debian/patches/features/all/rt/stomp-machine-create-lg_global_trylock_relax-primiti.patch
@@ -1,7 +1,7 @@
From: Mike Galbraith <umgwanakikbuti at gmail.com>
Date: Fri, 2 May 2014 13:13:22 +0200
Subject: stomp-machine: create lg_global_trylock_relax() primitive
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Create lg_global_trylock_relax() for use by stopper thread when it cannot
schedule, to deal with stop_cpus_lock, which is now an lglock.
diff --git a/debian/patches/features/all/rt/stomp-machine-use-lg_global_trylock_relax-to-dead-wi.patch b/debian/patches/features/all/rt/stomp-machine-use-lg_global_trylock_relax-to-dead-wi.patch
index 0ec0deb..8f23be9 100644
--- a/debian/patches/features/all/rt/stomp-machine-use-lg_global_trylock_relax-to-dead-wi.patch
+++ b/debian/patches/features/all/rt/stomp-machine-use-lg_global_trylock_relax-to-dead-wi.patch
@@ -1,7 +1,7 @@
From: Mike Galbraith <umgwanakikbuti at gmail.com>
Date: Fri, 2 May 2014 13:13:34 +0200
Subject: stomp-machine: use lg_global_trylock_relax() to dead with stop_cpus_lock lglock
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
If the stop machinery is called from inactive CPU we cannot use
lg_global_lock(), because some other stomp machine invocation might be
diff --git a/debian/patches/features/all/rt/stop-machine-raw-lock.patch b/debian/patches/features/all/rt/stop-machine-raw-lock.patch
index cfb3fcd..fc2cc3b 100644
--- a/debian/patches/features/all/rt/stop-machine-raw-lock.patch
+++ b/debian/patches/features/all/rt/stop-machine-raw-lock.patch
@@ -1,7 +1,7 @@
Subject: stop_machine: Use raw spinlocks
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 29 Jun 2011 11:01:51 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use raw-locks in stomp_machine() to allow locking in irq-off regions.
diff --git a/debian/patches/features/all/rt/stop_machine-convert-stop_machine_run-to-PREEMPT_RT.patch b/debian/patches/features/all/rt/stop_machine-convert-stop_machine_run-to-PREEMPT_RT.patch
index 39e4b6a..654adfe 100644
--- a/debian/patches/features/all/rt/stop_machine-convert-stop_machine_run-to-PREEMPT_RT.patch
+++ b/debian/patches/features/all/rt/stop_machine-convert-stop_machine_run-to-PREEMPT_RT.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:30:27 -0500
Subject: stop_machine: convert stop_machine_run() to PREEMPT_RT
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Instead of playing with non-preemption, introduce explicit
startup serialization. This is more robust and cleaner as
diff --git a/debian/patches/features/all/rt/sunrpc-make-svc_xprt_do_enqueue-use-get_cpu_light.patch b/debian/patches/features/all/rt/sunrpc-make-svc_xprt_do_enqueue-use-get_cpu_light.patch
index b31c63c..2aa7f5a 100644
--- a/debian/patches/features/all/rt/sunrpc-make-svc_xprt_do_enqueue-use-get_cpu_light.patch
+++ b/debian/patches/features/all/rt/sunrpc-make-svc_xprt_do_enqueue-use-get_cpu_light.patch
@@ -1,7 +1,7 @@
From: Mike Galbraith <umgwanakikbuti at gmail.com>
Date: Wed, 18 Feb 2015 16:05:28 +0100
Subject: sunrpc: Make svc_xprt_do_enqueue() use get_cpu_light()
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
|BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:915
|in_atomic(): 1, irqs_disabled(): 0, pid: 3194, name: rpc.nfsd
diff --git a/debian/patches/features/all/rt/suspend-prevernt-might-sleep-splats.patch b/debian/patches/features/all/rt/suspend-prevernt-might-sleep-splats.patch
index ee4977c..d252a8a 100644
--- a/debian/patches/features/all/rt/suspend-prevernt-might-sleep-splats.patch
+++ b/debian/patches/features/all/rt/suspend-prevernt-might-sleep-splats.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 15 Jul 2010 10:29:00 +0200
Subject: suspend: Prevent might sleep splats
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
timekeeping suspend/resume calls read_persistant_clock() which takes
rtc_lock. That results in might sleep warnings because at that point
diff --git a/debian/patches/features/all/rt/sysfs-realtime-entry.patch b/debian/patches/features/all/rt/sysfs-realtime-entry.patch
index 0a843f4..7ea523a 100644
--- a/debian/patches/features/all/rt/sysfs-realtime-entry.patch
+++ b/debian/patches/features/all/rt/sysfs-realtime-entry.patch
@@ -1,7 +1,7 @@
Subject: sysfs: Add /sys/kernel/realtime entry
From: Clark Williams <williams at redhat.com>
Date: Sat Jul 30 21:55:53 2011 -0500
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Add a /sys/kernel entry to indicate that the kernel is a
realtime kernel.
diff --git a/debian/patches/features/all/rt/tasklet-rt-prevent-tasklets-from-going-into-infinite-spin-in-rt.patch b/debian/patches/features/all/rt/tasklet-rt-prevent-tasklets-from-going-into-infinite-spin-in-rt.patch
index 0cfc746..baf147d 100644
--- a/debian/patches/features/all/rt/tasklet-rt-prevent-tasklets-from-going-into-infinite-spin-in-rt.patch
+++ b/debian/patches/features/all/rt/tasklet-rt-prevent-tasklets-from-going-into-infinite-spin-in-rt.patch
@@ -1,7 +1,7 @@
Subject: tasklet: Prevent tasklets from going into infinite spin in RT
From: Ingo Molnar <mingo at elte.hu>
Date: Tue Nov 29 20:18:22 2011 -0500
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
When CONFIG_PREEMPT_RT_FULL is enabled, tasklets run as threads,
and spinlocks turn are mutexes. But this can cause issues with
diff --git a/debian/patches/features/all/rt/tasklist-lock-fix-section-conflict.patch b/debian/patches/features/all/rt/tasklist-lock-fix-section-conflict.patch
index 65ebe8a..a4ef8cb 100644
--- a/debian/patches/features/all/rt/tasklist-lock-fix-section-conflict.patch
+++ b/debian/patches/features/all/rt/tasklist-lock-fix-section-conflict.patch
@@ -1,7 +1,7 @@
Subject: rwlocks: Fix section mismatch
From: John Kacur <jkacur at redhat.com>
Date: Mon, 19 Sep 2011 11:09:27 +0200 (CEST)
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
This fixes the following build error for the preempt-rt kernel.
diff --git a/debian/patches/features/all/rt/thermal-Defer-thermal-wakups-to-threads.patch b/debian/patches/features/all/rt/thermal-Defer-thermal-wakups-to-threads.patch
index 4f06fee..0fbd246 100644
--- a/debian/patches/features/all/rt/thermal-Defer-thermal-wakups-to-threads.patch
+++ b/debian/patches/features/all/rt/thermal-Defer-thermal-wakups-to-threads.patch
@@ -1,7 +1,7 @@
From: Daniel Wagner <wagi at monom.org>
Date: Tue, 17 Feb 2015 09:37:44 +0100
Subject: thermal: Defer thermal wakups to threads
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On RT the spin lock in pkg_temp_thermal_platfrom_thermal_notify will
call schedule while we run in irq context.
diff --git a/debian/patches/features/all/rt/timekeeping-split-jiffies-lock.patch b/debian/patches/features/all/rt/timekeeping-split-jiffies-lock.patch
index eaad2a4..7aee576 100644
--- a/debian/patches/features/all/rt/timekeeping-split-jiffies-lock.patch
+++ b/debian/patches/features/all/rt/timekeeping-split-jiffies-lock.patch
@@ -1,7 +1,7 @@
Subject: timekeeping: Split jiffies seqlock
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 14 Feb 2013 22:36:59 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Replace jiffies_lock seqlock with a simple seqcounter and a rawlock so
it can be taken in atomic context on RT.
diff --git a/debian/patches/features/all/rt/timer-delay-waking-softirqs-from-the-jiffy-tick.patch b/debian/patches/features/all/rt/timer-delay-waking-softirqs-from-the-jiffy-tick.patch
index 948c765..61b55b0 100644
--- a/debian/patches/features/all/rt/timer-delay-waking-softirqs-from-the-jiffy-tick.patch
+++ b/debian/patches/features/all/rt/timer-delay-waking-softirqs-from-the-jiffy-tick.patch
@@ -1,7 +1,7 @@
From: Peter Zijlstra <peterz at infradead.org>
Date: Fri, 21 Aug 2009 11:56:45 +0200
Subject: timer: delay waking softirqs from the jiffy tick
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
People were complaining about broken balancing with the recent -rt
series.
diff --git a/debian/patches/features/all/rt/timer-fd-avoid-live-lock.patch b/debian/patches/features/all/rt/timer-fd-avoid-live-lock.patch
index 4a4b6f4..609723a 100644
--- a/debian/patches/features/all/rt/timer-fd-avoid-live-lock.patch
+++ b/debian/patches/features/all/rt/timer-fd-avoid-live-lock.patch
@@ -1,7 +1,7 @@
Subject: timer-fd: Prevent live lock
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 25 Jan 2012 11:08:40 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
If hrtimer_try_to_cancel() requires a retry, then depending on the
priority setting te retry loop might prevent timer callback completion
diff --git a/debian/patches/features/all/rt/timers-avoid-the-base-null-otptimization-on-rt.patch b/debian/patches/features/all/rt/timers-avoid-the-base-null-otptimization-on-rt.patch
index d55f97d..ba23aef 100644
--- a/debian/patches/features/all/rt/timers-avoid-the-base-null-otptimization-on-rt.patch
+++ b/debian/patches/features/all/rt/timers-avoid-the-base-null-otptimization-on-rt.patch
@@ -1,7 +1,7 @@
Subject: timers: Avoid the switch timers base set to NULL trick on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 21 Jul 2011 15:23:39 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
On RT that code is preemptible, so we cannot assign NULL to timers
base as a preempter would spin forever in lock_timer_base().
diff --git a/debian/patches/features/all/rt/timers-preempt-rt-support.patch b/debian/patches/features/all/rt/timers-preempt-rt-support.patch
index 3a473c8..631b387 100644
--- a/debian/patches/features/all/rt/timers-preempt-rt-support.patch
+++ b/debian/patches/features/all/rt/timers-preempt-rt-support.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:30:20 -0500
Subject: timers: Preempt-rt support
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The base->lock is a sleeping lock. Try not to workaround with a
spin_trylock(). The rt-mutex lock is not irq save even the try-lock
diff --git a/debian/patches/features/all/rt/timers-prepare-for-full-preemption.patch b/debian/patches/features/all/rt/timers-prepare-for-full-preemption.patch
index 23cbe7a..61bbd09 100644
--- a/debian/patches/features/all/rt/timers-prepare-for-full-preemption.patch
+++ b/debian/patches/features/all/rt/timers-prepare-for-full-preemption.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:29:34 -0500
Subject: timers: Prepare for full preemption
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
When softirqs can be preempted we need to make sure that cancelling
the timer from the active thread can not deadlock vs. a running timer
diff --git a/debian/patches/features/all/rt/trace-latency-hist-Consider-new-argument-when-probin.patch b/debian/patches/features/all/rt/trace-latency-hist-Consider-new-argument-when-probin.patch
index eefb8be..3bc8114 100644
--- a/debian/patches/features/all/rt/trace-latency-hist-Consider-new-argument-when-probin.patch
+++ b/debian/patches/features/all/rt/trace-latency-hist-Consider-new-argument-when-probin.patch
@@ -2,7 +2,7 @@ From: Carsten Emde <C.Emde at osadl.org>
Date: Tue, 5 Jan 2016 10:21:59 +0100
Subject: trace/latency-hist: Consider new argument when probing the
sched_switch tracer
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The sched_switch tracer has got a new argument. Fix the latency tracer
accordingly.
diff --git a/debian/patches/features/all/rt/tracing-account-for-preempt-off-in-preempt_schedule.patch b/debian/patches/features/all/rt/tracing-account-for-preempt-off-in-preempt_schedule.patch
index 039ba96..159d8de 100644
--- a/debian/patches/features/all/rt/tracing-account-for-preempt-off-in-preempt_schedule.patch
+++ b/debian/patches/features/all/rt/tracing-account-for-preempt-off-in-preempt_schedule.patch
@@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt at goodmis.org>
Date: Thu, 29 Sep 2011 12:24:30 -0500
Subject: tracing: Account for preempt off in preempt_schedule()
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
The preempt_schedule() uses the preempt_disable_notrace() version
because it can cause infinite recursion by the function tracer as
diff --git a/debian/patches/features/all/rt/upstream-net-rt-remove-preemption-disabling-in-netif_rx.patch b/debian/patches/features/all/rt/upstream-net-rt-remove-preemption-disabling-in-netif_rx.patch
index 8f21c3c..70759e0 100644
--- a/debian/patches/features/all/rt/upstream-net-rt-remove-preemption-disabling-in-netif_rx.patch
+++ b/debian/patches/features/all/rt/upstream-net-rt-remove-preemption-disabling-in-netif_rx.patch
@@ -1,7 +1,7 @@
Subject: net: Remove preemption disabling in netif_rx()
From: Priyanka Jain <Priyanka.Jain at freescale.com>
Date: Thu, 17 May 2012 09:35:11 +0530
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
1)enqueue_to_backlog() (called from netif_rx) should be
bind to a particluar CPU. This can be achieved by
@@ -38,7 +38,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/net/core/dev.c
+++ b/net/core/dev.c
-@@ -3575,7 +3575,7 @@ static int netif_rx_internal(struct sk_b
+@@ -3580,7 +3580,7 @@ static int netif_rx_internal(struct sk_b
struct rps_dev_flow voidflow, *rflow = &voidflow;
int cpu;
@@ -47,7 +47,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
rcu_read_lock();
cpu = get_rps_cpu(skb->dev, skb, &rflow);
-@@ -3585,13 +3585,13 @@ static int netif_rx_internal(struct sk_b
+@@ -3590,13 +3590,13 @@ static int netif_rx_internal(struct sk_b
ret = enqueue_to_backlog(skb, cpu, &rflow->last_qtail);
rcu_read_unlock();
diff --git a/debian/patches/features/all/rt/usb-use-_nort-in-giveback.patch b/debian/patches/features/all/rt/usb-use-_nort-in-giveback.patch
index f2f7329..2f06375 100644
--- a/debian/patches/features/all/rt/usb-use-_nort-in-giveback.patch
+++ b/debian/patches/features/all/rt/usb-use-_nort-in-giveback.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Fri, 8 Nov 2013 17:34:54 +0100
Subject: usb: Use _nort in giveback function
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Since commit 94dfd7ed ("USB: HCD: support giveback of URB in tasklet
context") I see
diff --git a/debian/patches/features/all/rt/user-use-local-irq-nort.patch b/debian/patches/features/all/rt/user-use-local-irq-nort.patch
index d0557a8..df49bc9 100644
--- a/debian/patches/features/all/rt/user-use-local-irq-nort.patch
+++ b/debian/patches/features/all/rt/user-use-local-irq-nort.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 21 Jul 2009 23:06:05 +0200
Subject: core: Do not disable interrupts on RT in kernel/users.c
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use the local_irq_*_nort variants to reduce latencies in RT. The code
is serialized by the locks. No need to disable interrupts.
diff --git a/debian/patches/features/all/rt/vtime-split-lock-and-seqcount.patch b/debian/patches/features/all/rt/vtime-split-lock-and-seqcount.patch
index f628ab2..66a8464 100644
--- a/debian/patches/features/all/rt/vtime-split-lock-and-seqcount.patch
+++ b/debian/patches/features/all/rt/vtime-split-lock-and-seqcount.patch
@@ -1,7 +1,7 @@
Subject: vtime: Split lock and seqcount
From: Thomas Gleixner <tglx at linutronix.de>
Date: Tue, 23 Jul 2013 15:45:51 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Replace vtime_seqlock seqlock with a simple seqcounter and a rawlock
so it can taken in atomic context on RT.
@@ -27,7 +27,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
#else
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -1520,7 +1520,8 @@ struct task_struct {
+@@ -1521,7 +1521,8 @@ struct task_struct {
cputime_t gtime;
struct prev_cputime prev_cputime;
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
diff --git a/debian/patches/features/all/rt/wait-simple-implementation.patch b/debian/patches/features/all/rt/wait-simple-implementation.patch
index ad0f75d..a76cfa0 100644
--- a/debian/patches/features/all/rt/wait-simple-implementation.patch
+++ b/debian/patches/features/all/rt/wait-simple-implementation.patch
@@ -12,7 +12,7 @@ should go mainline as well, as it lowers memory consumption and
runtime overhead.
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
smp_mb() added by Steven Rostedt to fix a race condition with swait
wakeups vs adding items to the list.
diff --git a/debian/patches/features/all/rt/wait.h-include-atomic.h.patch b/debian/patches/features/all/rt/wait.h-include-atomic.h.patch
index 9194339..210d36f 100644
--- a/debian/patches/features/all/rt/wait.h-include-atomic.h.patch
+++ b/debian/patches/features/all/rt/wait.h-include-atomic.h.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Mon, 28 Oct 2013 12:19:57 +0100
Subject: wait.h: include atomic.h
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
| CC init/main.o
|In file included from include/linux/mmzone.h:9:0,
diff --git a/debian/patches/features/all/rt/work-queue-work-around-irqsafe-timer-optimization.patch b/debian/patches/features/all/rt/work-queue-work-around-irqsafe-timer-optimization.patch
index 552b34a..ab57e9b 100644
--- a/debian/patches/features/all/rt/work-queue-work-around-irqsafe-timer-optimization.patch
+++ b/debian/patches/features/all/rt/work-queue-work-around-irqsafe-timer-optimization.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 01 Jul 2013 11:02:42 +0200
Subject: workqueue: Prevent workqueue versus ata-piix livelock
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
An Intel i7 system regularly detected rcu_preempt stalls after the kernel
was upgraded from 3.6-rt to 3.8-rt. When the stall happened, disk I/O was no
diff --git a/debian/patches/features/all/rt/work-simple-Simple-work-queue-implemenation.patch b/debian/patches/features/all/rt/work-simple-Simple-work-queue-implemenation.patch
index f067f14..a95ba0d 100644
--- a/debian/patches/features/all/rt/work-simple-Simple-work-queue-implemenation.patch
+++ b/debian/patches/features/all/rt/work-simple-Simple-work-queue-implemenation.patch
@@ -1,7 +1,7 @@
From: Daniel Wagner <daniel.wagner at bmw-carit.de>
Date: Fri, 11 Jul 2014 15:26:11 +0200
Subject: work-simple: Simple work queue implemenation
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Provides a framework for enqueuing callbacks from irq context
PREEMPT_RT_FULL safe. The callbacks are executed in kthread context.
diff --git a/debian/patches/features/all/rt/workqueue-distangle-from-rq-lock.patch b/debian/patches/features/all/rt/workqueue-distangle-from-rq-lock.patch
index 7f70ef7..73ad714 100644
--- a/debian/patches/features/all/rt/workqueue-distangle-from-rq-lock.patch
+++ b/debian/patches/features/all/rt/workqueue-distangle-from-rq-lock.patch
@@ -22,7 +22,7 @@ Cc: Jens Axboe <axboe at kernel.dk>
Cc: Linus Torvalds <torvalds at linux-foundation.org>
Link: http://lkml.kernel.org/r/20110622174919.135236139@linutronix.de
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
---
kernel/sched/core.c | 80 ++++++++------------------------------------
@@ -96,7 +96,7 @@ Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.
* wake_up_process - Wake up a specific process
* @p: The process to be woken up.
*
-@@ -3282,21 +3232,6 @@ static void __sched notrace __schedule(b
+@@ -3281,21 +3231,6 @@ static void __sched notrace __schedule(b
} else {
deactivate_task(rq, prev, DEQUEUE_SLEEP);
prev->on_rq = 0;
@@ -118,7 +118,7 @@ Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.
}
switch_count = &prev->nvcsw;
}
-@@ -3329,6 +3264,14 @@ static inline void sched_submit_work(str
+@@ -3328,6 +3263,14 @@ static inline void sched_submit_work(str
{
if (!tsk->state || tsk_is_pi_blocked(tsk))
return;
@@ -133,7 +133,7 @@ Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.
/*
* If we are going to sleep and we have plugged IO queued,
* make sure to submit it to avoid deadlocks.
-@@ -3337,6 +3280,12 @@ static inline void sched_submit_work(str
+@@ -3336,6 +3279,12 @@ static inline void sched_submit_work(str
blk_schedule_flush_plug(tsk);
}
@@ -146,7 +146,7 @@ Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.
asmlinkage __visible void __sched schedule(void)
{
struct task_struct *tsk = current;
-@@ -3347,6 +3296,7 @@ asmlinkage __visible void __sched schedu
+@@ -3346,6 +3295,7 @@ asmlinkage __visible void __sched schedu
__schedule(false);
sched_preempt_enable_no_resched();
} while (need_resched());
diff --git a/debian/patches/features/all/rt/workqueue-prevent-deadlock-stall.patch b/debian/patches/features/all/rt/workqueue-prevent-deadlock-stall.patch
index b00382d..57aae7d 100644
--- a/debian/patches/features/all/rt/workqueue-prevent-deadlock-stall.patch
+++ b/debian/patches/features/all/rt/workqueue-prevent-deadlock-stall.patch
@@ -1,7 +1,7 @@
Subject: workqueue: Prevent deadlock/stall on RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Fri, 27 Jun 2014 16:24:52 +0200 (CEST)
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Austin reported a XFS deadlock/stall on RT where scheduled work gets
never exececuted and tasks are waiting for each other for ever.
@@ -44,7 +44,7 @@ Cc: Steven Rostedt <rostedt at goodmis.org>
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
-@@ -3378,9 +3378,8 @@ static void __sched notrace __schedule(b
+@@ -3377,9 +3377,8 @@ static void __sched notrace __schedule(b
static inline void sched_submit_work(struct task_struct *tsk)
{
@@ -55,7 +55,7 @@ Cc: Steven Rostedt <rostedt at goodmis.org>
/*
* If a worker went to sleep, notify and ask workqueue whether
* it wants to wake up a task to maintain concurrency.
-@@ -3388,6 +3387,10 @@ static inline void sched_submit_work(str
+@@ -3387,6 +3386,10 @@ static inline void sched_submit_work(str
if (tsk->flags & PF_WQ_WORKER)
wq_worker_sleeping(tsk);
diff --git a/debian/patches/features/all/rt/workqueue-use-locallock.patch b/debian/patches/features/all/rt/workqueue-use-locallock.patch
index 544d1a5..82de7e4 100644
--- a/debian/patches/features/all/rt/workqueue-use-locallock.patch
+++ b/debian/patches/features/all/rt/workqueue-use-locallock.patch
@@ -1,7 +1,7 @@
Subject: workqueue: Use local irq lock instead of irq disable regions
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 17 Jul 2011 21:42:26 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Use a local_irq_lock as a replacement for irq off regions. We keep the
semantic of irq-off in regard to the pool->lock and remain preemptible.
diff --git a/debian/patches/features/all/rt/workqueue-use-rcu.patch b/debian/patches/features/all/rt/workqueue-use-rcu.patch
index 173bca0..78978a8 100644
--- a/debian/patches/features/all/rt/workqueue-use-rcu.patch
+++ b/debian/patches/features/all/rt/workqueue-use-rcu.patch
@@ -1,7 +1,7 @@
Subject: workqueue: Use normal rcu
From: Thomas Gleixner <tglx at linutronix.de>
Date: Wed, 24 Jul 2013 15:26:54 +0200
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
There is no need for sched_rcu. The undocumented reason why sched_rcu
is used is to avoid a few explicit rcu_read_lock()/unlock() pairs by
diff --git a/debian/patches/features/all/rt/x86-UV-raw_spinlock-conversion.patch b/debian/patches/features/all/rt/x86-UV-raw_spinlock-conversion.patch
index 04641d4..0fc2e0f 100644
--- a/debian/patches/features/all/rt/x86-UV-raw_spinlock-conversion.patch
+++ b/debian/patches/features/all/rt/x86-UV-raw_spinlock-conversion.patch
@@ -1,7 +1,7 @@
From: Mike Galbraith <umgwanakikbuti at gmail.com>
Date: Sun, 2 Nov 2014 08:31:37 +0100
Subject: x86: UV: raw_spinlock conversion
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Shrug. Lots of hobbyists have a beast in their basement, right?
diff --git a/debian/patches/features/all/rt/x86-crypto-reduce-preempt-disabled-regions.patch b/debian/patches/features/all/rt/x86-crypto-reduce-preempt-disabled-regions.patch
index 40a2f63..3668ff2 100644
--- a/debian/patches/features/all/rt/x86-crypto-reduce-preempt-disabled-regions.patch
+++ b/debian/patches/features/all/rt/x86-crypto-reduce-preempt-disabled-regions.patch
@@ -1,7 +1,7 @@
Subject: x86: crypto: Reduce preempt disabled regions
From: Peter Zijlstra <peterz at infradead.org>
Date: Mon, 14 Nov 2011 18:19:27 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Restrict the preempt disabled regions to the actual floating point
operations and enable preemption for the administrative actions.
diff --git a/debian/patches/features/all/rt/x86-highmem-add-a-already-used-pte-check.patch b/debian/patches/features/all/rt/x86-highmem-add-a-already-used-pte-check.patch
index 768f076..66afc7f 100644
--- a/debian/patches/features/all/rt/x86-highmem-add-a-already-used-pte-check.patch
+++ b/debian/patches/features/all/rt/x86-highmem-add-a-already-used-pte-check.patch
@@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Date: Mon, 11 Mar 2013 17:09:55 +0100
Subject: x86/highmem: Add a "already used pte" check
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
This is a copy from kmap_atomic_prot().
diff --git a/debian/patches/features/all/rt/x86-io-apic-migra-no-unmask.patch b/debian/patches/features/all/rt/x86-io-apic-migra-no-unmask.patch
index b87c9b5..260e514 100644
--- a/debian/patches/features/all/rt/x86-io-apic-migra-no-unmask.patch
+++ b/debian/patches/features/all/rt/x86-io-apic-migra-no-unmask.patch
@@ -1,7 +1,7 @@
From: Ingo Molnar <mingo at elte.hu>
Date: Fri, 3 Jul 2009 08:29:27 -0500
Subject: x86/ioapic: Do not unmask io_apic when interrupt is in progress
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
With threaded interrupts we might see an interrupt in progress on
migration. Do not unmask it when this is the case.
diff --git a/debian/patches/features/all/rt/x86-kvm-require-const-tsc-for-rt.patch b/debian/patches/features/all/rt/x86-kvm-require-const-tsc-for-rt.patch
index 5348c23..8f92f2f 100644
--- a/debian/patches/features/all/rt/x86-kvm-require-const-tsc-for-rt.patch
+++ b/debian/patches/features/all/rt/x86-kvm-require-const-tsc-for-rt.patch
@@ -1,7 +1,7 @@
Subject: x86: kvm Require const tsc for RT
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 06 Nov 2011 12:26:18 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Non constant TSC is a nightmare on bare metal already, but with
virtualization it becomes a complete disaster because the workarounds
@@ -15,7 +15,7 @@ Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
-@@ -5787,6 +5787,13 @@ int kvm_arch_init(void *opaque)
+@@ -5788,6 +5788,13 @@ int kvm_arch_init(void *opaque)
goto out;
}
diff --git a/debian/patches/features/all/rt/x86-mce-timer-hrtimer.patch b/debian/patches/features/all/rt/x86-mce-timer-hrtimer.patch
index b19afe8..4b20e54 100644
--- a/debian/patches/features/all/rt/x86-mce-timer-hrtimer.patch
+++ b/debian/patches/features/all/rt/x86-mce-timer-hrtimer.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Mon, 13 Dec 2010 16:33:39 +0100
Subject: x86: Convert mce timer to hrtimer
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
mce_timer is started in atomic contexts of cpu bringup. This results
in might_sleep() warnings on RT. Convert mce_timer to a hrtimer to
diff --git a/debian/patches/features/all/rt/x86-mce-use-swait-queue-for-mce-wakeups.patch b/debian/patches/features/all/rt/x86-mce-use-swait-queue-for-mce-wakeups.patch
index 7ad7c71..334cf9a 100644
--- a/debian/patches/features/all/rt/x86-mce-use-swait-queue-for-mce-wakeups.patch
+++ b/debian/patches/features/all/rt/x86-mce-use-swait-queue-for-mce-wakeups.patch
@@ -1,7 +1,7 @@
Subject: x86/mce: use swait queue for mce wakeups
From: Steven Rostedt <rostedt at goodmis.org>
Date: Fri, 27 Feb 2015 15:20:37 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
We had a customer report a lockup on a 3.0-rt kernel that had the
following backtrace:
diff --git a/debian/patches/features/all/rt/x86-preempt-lazy.patch b/debian/patches/features/all/rt/x86-preempt-lazy.patch
index 0ab1b68..e1774d3 100644
--- a/debian/patches/features/all/rt/x86-preempt-lazy.patch
+++ b/debian/patches/features/all/rt/x86-preempt-lazy.patch
@@ -1,7 +1,7 @@
Subject: x86: Support for lazy preemption
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 01 Nov 2012 11:03:47 +0100
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Implement the x86 pieces for lazy preempt.
diff --git a/debian/patches/features/all/rt/x86-signal-delay-calling-signals-on-32bit.patch b/debian/patches/features/all/rt/x86-signal-delay-calling-signals-on-32bit.patch
index 3b7b01c..5f24b4b 100644
--- a/debian/patches/features/all/rt/x86-signal-delay-calling-signals-on-32bit.patch
+++ b/debian/patches/features/all/rt/x86-signal-delay-calling-signals-on-32bit.patch
@@ -1,7 +1,7 @@
From: Yang Shi <yang.shi at linaro.org>
Date: Thu, 10 Dec 2015 10:58:51 -0800
Subject: x86/signal: delay calling signals on 32bit
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
When running some ptrace single step tests on x86-32 machine, the below problem
is triggered:
diff --git a/debian/patches/features/all/rt/x86-stackprot-no-random-on-rt.patch b/debian/patches/features/all/rt/x86-stackprot-no-random-on-rt.patch
index 82a1def..38c0384 100644
--- a/debian/patches/features/all/rt/x86-stackprot-no-random-on-rt.patch
+++ b/debian/patches/features/all/rt/x86-stackprot-no-random-on-rt.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Thu, 16 Dec 2010 14:25:18 +0100
Subject: x86: stackprotector: Avoid random pool on rt
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
CPU bringup calls into the random pool to initialize the stack
canary. During boot that works nicely even on RT as the might sleep
diff --git a/debian/patches/features/all/rt/x86-use-gen-rwsem-spinlocks-rt.patch b/debian/patches/features/all/rt/x86-use-gen-rwsem-spinlocks-rt.patch
index 4dfb559..db15c84 100644
--- a/debian/patches/features/all/rt/x86-use-gen-rwsem-spinlocks-rt.patch
+++ b/debian/patches/features/all/rt/x86-use-gen-rwsem-spinlocks-rt.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx at linutronix.de>
Date: Sun, 26 Jul 2009 02:21:32 +0200
Subject: x86: Use generic rwsem_spinlocks on -rt
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4-rt3.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.4/patches-4.4.1-rt5.tar.xz
Simplifies the separation of anon_rw_semaphores and rw_semaphores for
-rt.
diff --git a/debian/patches/series-rt b/debian/patches/series-rt
index d81c2c4..ab3429f 100644
--- a/debian/patches/series-rt
+++ b/debian/patches/series-rt
@@ -28,12 +28,12 @@ features/all/rt/rfc-arm-smp-__cpu_disable-fix-sleeping-function-called-from-inva
############################################################
# Stuff broken upstream, need to be sent
############################################################
-
features/all/rt/rtmutex--Handle-non-enqueued-waiters-gracefully
############################################################
# Submitted on LKML
############################################################
+features/all/rt/genirq-Add-default-affinity-mask-command-line-option.patch
# SPARC part of erly printk consolidation
features/all/rt/sparc64-use-generic-rwsem-spinlocks-rt.patch
@@ -138,6 +138,7 @@ features/all/rt/pci-access-use-__wake_up_all_locked.patch
# ANON RW SEMAPHORES
# TRACING
+features/all/rt/latencyhist-disable-jump-labels.patch
features/all/rt/latency-hist.patch
features/all/rt/latency_hist-update-sched_wakeup-probe.patch
features/all/rt/trace-latency-hist-Consider-new-argument-when-probin.patch
@@ -524,6 +525,7 @@ features/all/rt/lockdep-selftest-fix-warnings-due-to-missing-PREEMPT.patch
# PERF
features/all/rt/perf-make-swevent-hrtimer-irqsafe.patch
+features/all/rt/kernel-perf-mark-perf_cpu_context-s-timer-as-irqsafe.patch
# RCU
features/all/rt/rcu-disable-rcu-fast-no-hz-on-rt.patch
--
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