The patch titled
i386: Use early clobbers for semaphores now
has been added to the -mm tree. Its filename is
i386-use-early-clobbers-for-semaphores-now.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: i386: Use early clobbers for semaphores now
From: Andi Kleen <ak@xxxxxxx>
The new code does clobber the result early, so make sure to tell gcc to not
put it into the same register as a input argument.
Signed-off-by: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/asm-i386/semaphore.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -puN include/asm-i386/semaphore.h~i386-use-early-clobbers-for-semaphores-now include/asm-i386/semaphore.h
--- a/include/asm-i386/semaphore.h~i386-use-early-clobbers-for-semaphores-now
+++ a/include/asm-i386/semaphore.h
@@ -126,7 +126,7 @@ static inline int down_interruptible(str
"lea %1,%%eax\n\t"
"call __down_failed_interruptible\n"
"2:"
- :"=a" (result), "+m" (sem->count)
+ :"=&a" (result), "+m" (sem->count)
:
:"memory");
return result;
@@ -148,7 +148,7 @@ static inline int down_trylock(struct se
"lea %1,%%eax\n\t"
"call __down_failed_trylock\n\t"
"2:\n"
- :"=a" (result), "+m" (sem->count)
+ :"=&a" (result), "+m" (sem->count)
:
:"memory");
return result;
_
Patches currently in -mm which might be from ak@xxxxxxx are
origin.patch
i386-use-early-clobbers-for-semaphores-now.patch
revert-x86_64-mm-i386-remove-lock-section.patch
git-ieee1394.patch
i8042-activate-panic-blink-only-in-x.patch
arch-i386-pci-mmconfigc-tlb-flush-fix.patch
arch-i386-pci-mmconfigc-tlb-flush-fix-tweaks.patch
i386-replace-intermediate-array-size-definitions-with-array_size.patch
deal-with-cases-of-zone_dma-meaning-the-first-zone.patch
introduce-config_zone_dma.patch
optional-zone_dma-in-the-vm.patch
optional-zone_dma-for-i386.patch
optional-zone_dma-for-x86_64.patch
x86-remove-default_ldt-and-simplify-ldt-setting.patch
generic-ioremap_page_range-implementation.patch
generic-ioremap_page_range-flush_cache_vmap.patch
generic-ioremap_page_range-i386-conversion.patch
generic-ioremap_page_range-i386-conversion-fix.patch
generic-ioremap_page_range-x86_64-conversion.patch
generic-ioremap_page_range-x86_64-conversion-fix.patch
some-cleanup-in-the-pipe-code.patch
some-cleanup-in-the-pipe-code-tidy.patch
create-call_usermodehelper_pipe.patch
support-piping-into-commands-in-proc-sys-kernel-core_pattern.patch
support-piping-into-commands-in-proc-sys-kernel-core_pattern-fix-2.patch
-
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