The patch titled
atomic.h: i386 type safety fix
has been removed from the -mm tree. Its filename was
atomich-i386-type-safety-fix.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: atomic.h: i386 type safety fix
From: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
Remove an explicit cast to an integer type for the result returned by cmpxchg.
It is not per se a problem on the i386 architecture, because sizeof(int) ==
sizeof(long), but whenever this code is cut'n'pasted to a accept passing an
atomic64_t value as parameter to cmpxchg, xchg and add_unless, having 64 bits
inputs casted to 32 bits.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/asm-i386/atomic.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN include/asm-i386/atomic.h~atomich-i386-type-safety-fix include/asm-i386/atomic.h
--- a/include/asm-i386/atomic.h~atomich-i386-type-safety-fix
+++ a/include/asm-i386/atomic.h
@@ -207,8 +207,8 @@ static __inline__ int atomic_sub_return(
return atomic_add_return(-i,v);
}
-#define atomic_cmpxchg(v, old, new) ((int)cmpxchg(&((v)->counter), old, new))
-#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), (new)))
/**
* atomic_add_unless - add unless the number is already a given value
@@ -221,7 +221,7 @@ static __inline__ int atomic_sub_return(
*/
#define atomic_add_unless(v, a, u) \
({ \
- int c, old; \
+ __typeof__((v)->counter) c, old; \
c = atomic_read(v); \
for (;;) { \
if (unlikely(c == (u))) \
_
Patches currently in -mm which might be from mathieu.desnoyers@xxxxxxxxxx are
origin.patch
git-avr32.patch
linux-kernel-markers-kconfig-menus.patch
linux-kernel-markers-architecture-independant-code.patch
linux-kernel-markers-powerpc-optimization.patch
linux-kernel-markers-i386-optimization.patch
markers-add-instrumentation-markers-menus-to-avr32.patch
linux-kernel-markers-non-optimized-architectures.patch
markers-alpha-and-avr32-supportadd-alpha-markerh-add-arm26-markerh.patch
linux-kernel-markers-documentation.patch
markers-define-the-linker-macro-extra_rwdata.patch
markers-use-extra_rwdata-in-architectures.patch
-
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