[kernel] r19864 - in dists/sid/linux/debian: . config patches patches/debian
Ben Hutchings
benh at alioth.debian.org
Wed Feb 27 03:09:18 UTC 2013
Author: benh
Date: Wed Feb 27 03:09:17 2013
New Revision: 19864
Log:
[x86] efi: Fix ABI change for introduction of efi_enabled() function in 3.2.38 (Closes: #701690)
Added:
dists/sid/linux/debian/patches/debian/x86-efi-avoid-abi-change-in-3.2.38.patch
Modified:
dists/sid/linux/debian/changelog
dists/sid/linux/debian/config/defines
dists/sid/linux/debian/patches/series
Modified: dists/sid/linux/debian/changelog
==============================================================================
--- dists/sid/linux/debian/changelog Tue Feb 26 12:52:36 2013 (r19863)
+++ dists/sid/linux/debian/changelog Wed Feb 27 03:09:17 2013 (r19864)
@@ -8,6 +8,8 @@
- printk: Fix rq->lock vs logbuf_lock unlock lock inversion
- wait-simple: Simple waitqueue implementation
- rcutiny: Use simple waitqueue
+ * [x86] efi: Fix ABI change for introduction of efi_enabled() function
+ in 3.2.38 (Closes: #701690)
-- Ben Hutchings <ben at decadent.org.uk> Tue, 26 Feb 2013 02:19:28 +0000
Modified: dists/sid/linux/debian/config/defines
==============================================================================
--- dists/sid/linux/debian/config/defines Tue Feb 26 12:52:36 2013 (r19863)
+++ dists/sid/linux/debian/config/defines Wed Feb 27 03:09:17 2013 (r19864)
@@ -39,8 +39,6 @@
vring_*
# No-one should depend on staging from OOT
module:drivers/staging/*
-# Doesn't appear to be used OOT
- efi_enabled
[base]
arches:
Added: dists/sid/linux/debian/patches/debian/x86-efi-avoid-abi-change-in-3.2.38.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/sid/linux/debian/patches/debian/x86-efi-avoid-abi-change-in-3.2.38.patch Wed Feb 27 03:09:17 2013 (r19864)
@@ -0,0 +1,62 @@
+From: Ben Hutchings <ben at decadent.org.uk>
+Subject: [x86] efi: Avoid ABI change in 3.2.38
+Date: Tue, 26 Feb 2013 13:56:01 +0000
+Bug-Debian: http://bugs.debian.org/701690
+
+"efi: Make 'efi_enabled' a function to query EFI facilities" (commit
+83e68189745a upstream, backported into 3.2.38) obviously changes ABI,
+but I thought this symbol wasn't used out-of-tree. Unfortunately
+nvidia does use it, but its source is packaged up such that
+codesearch.debian.net didn't show me that.
+
+Restore the efi_enabled variable. Rename the efi_enabled() function
+and make efi_enabled() a function-macro. This should keep both old
+and new usage working.
+
+--- a/arch/x86/platform/efi/efi.c
++++ b/arch/x86/platform/efi/efi.c
+@@ -49,6 +49,9 @@
+ #define EFI_DEBUG 1
+ #define PFX "EFI: "
+
++int efi_enabled;
++EXPORT_SYMBOL(efi_enabled);
++
+ struct efi __read_mostly efi = {
+ .mps = EFI_INVALID_TABLE_ADDR,
+ .acpi = EFI_INVALID_TABLE_ADDR,
+@@ -77,11 +80,11 @@ unsigned long x86_efi_facility;
+ /*
+ * Returns 1 if 'facility' is enabled, 0 otherwise.
+ */
+-int efi_enabled(int facility)
++int efi_enabled_facility(int facility)
+ {
+ return test_bit(facility, &x86_efi_facility) != 0;
+ }
+-EXPORT_SYMBOL(efi_enabled);
++EXPORT_SYMBOL(efi_enabled_facility);
+
+ static bool disable_runtime = false;
+ static int __init setup_noefi(char *arg)
+@@ -576,6 +579,7 @@ void __init efi_init(void)
+ efi.get_time = phys_efi_get_time;
+
+ set_bit(EFI_RUNTIME_SERVICES, &x86_efi_facility);
++ efi_enabled = 1;
+ } else
+ printk(KERN_ERR "Could not map the EFI runtime service "
+ "table!\n");
+--- a/include/linux/efi.h
++++ b/include/linux/efi.h
+@@ -503,7 +503,9 @@ extern int __init efi_setup_pcdp_console
+
+ #ifdef CONFIG_EFI
+ # ifdef CONFIG_X86
+-extern int efi_enabled(int facility);
++extern int efi_enabled; /* ABI compat; please use efi_enabled() instead */
++extern int efi_enabled_facility(int facility);
++#define efi_enabled(f) efi_enabled_facility(f)
+ # else
+ static inline int efi_enabled(int facility)
+ {
Modified: dists/sid/linux/debian/patches/series
==============================================================================
--- dists/sid/linux/debian/patches/series Tue Feb 26 12:52:36 2013 (r19863)
+++ dists/sid/linux/debian/patches/series Wed Feb 27 03:09:17 2013 (r19864)
@@ -628,3 +628,4 @@
bugfix/x86/x86-efi-Make-noefi-really-disable-EFI-runtime-serivc.patch
bugfix/all/mm-fix-pageblock-bitmap-allocation.patch
bugfix/all/USB-usb-storage-unusual_devs-update-for-Super-TOP-SA.patch
+debian/x86-efi-avoid-abi-change-in-3.2.38.patch
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