The patch titled
Add cmpxchg64 and cmpxchg64_local to x86_64
has been added to the -mm tree. Its filename is
add-cmpxchg64-and-cmpxchg64_local-to-x86_64.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Add cmpxchg64 and cmpxchg64_local to x86_64
From: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
Make sure that at least cmpxchg64_local is available on all architectures to
use for unsigned long long values.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/asm-x86/cmpxchg_64.h | 2 ++
1 file changed, 2 insertions(+)
diff -puN include/asm-x86/cmpxchg_64.h~add-cmpxchg64-and-cmpxchg64_local-to-x86_64 include/asm-x86/cmpxchg_64.h
--- a/include/asm-x86/cmpxchg_64.h~add-cmpxchg64-and-cmpxchg64_local-to-x86_64
+++ a/include/asm-x86/cmpxchg_64.h
@@ -127,8 +127,10 @@ static inline unsigned long __cmpxchg_lo
#define cmpxchg(ptr,o,n)\
((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
(unsigned long)(n),sizeof(*(ptr))))
+#define cmpxchg64 cmpxchg
#define cmpxchg_local(ptr,o,n)\
((__typeof__(*(ptr)))__cmpxchg_local((ptr),(unsigned long)(o),\
(unsigned long)(n),sizeof(*(ptr))))
+#define cmpxchg64_local cmpxchg_local
#endif
_
Patches currently in -mm which might be from mathieu.desnoyers@xxxxxxxxxx are
add-cmpxchg_local-to-asm-generic-for-per-cpu-atomic-operations.patch
fall-back-on-interrupt-disable-in-cmpxchg8b-on-80386-and-80486.patch
add-cmpxchg64-and-cmpxchg64_local-to-alpha.patch
add-cmpxchg64-and-cmpxchg64_local-to-mips.patch
add-cmpxchg64-and-cmpxchg64_local-to-powerpc.patch
add-cmpxchg64-and-cmpxchg64_local-to-x86_64.patch
add-cmpxchg_local-to-arm.patch
add-cmpxchg_local-to-avr32.patch
add-cmpxchg_local-to-blackfin-replace-__cmpxchg-by-generic-cmpxchg.patch
add-cmpxchg_local-to-cris.patch
add-cmpxchg_local-to-frv.patch
add-cmpxchg_local-to-h8300.patch
add-cmpxchg_local-cmpxchg64-and-cmpxchg64_local-to-ia64.patch
new-cmpxchg_local-optimized-for-up-case-for-m32r.patch
fix-m32r-__xchg.patch
m32r-build-fix-of-arch-m32r-kernel-smpbootc.patch
local_t-m32r-use-architecture-specific-cmpxchg_local.patch
add-cmpxchg_local-to-m86k.patch
add-cmpxchg_local-to-m68knommu.patch
add-cmpxchg_local-to-parisc.patch
add-cmpxchg_local-to-ppc.patch
add-cmpxchg_local-to-s390.patch
add-cmpxchg_local-to-sh-use-generic-cmpxchg-instead-of-cmpxchg_u32.patch
add-cmpxchg_local-to-sh64.patch
add-cmpxchg_local-to-sparc-move-__cmpxchg-to-systemh.patch
add-cmpxchg_local-to-sparc64.patch
add-cmpxchg_local-to-v850.patch
add-cmpxchg_local-to-xtensa.patch
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