The patch titled
Add cmpxchg_local to arm
has been removed from the -mm tree. Its filename was
add-cmpxchg_local-to-arm.patch
This patch was dropped because an updated version will be merged
------------------------------------------------------
Subject: Add cmpxchg_local to arm
From: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
Use the new generic cmpxchg_local (disables interrupt). Also use the generic
cmpxchg as fallback if SMP is not set.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
Cc: Christoph Lameter <clameter@xxxxxxx>
Cc: Russell King <rmk@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/asm-arm/system.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff -puN include/asm-arm/system.h~add-cmpxchg_local-to-arm include/asm-arm/system.h
--- a/include/asm-arm/system.h~add-cmpxchg_local-to-arm
+++ a/include/asm-arm/system.h
@@ -350,6 +350,21 @@ static inline unsigned long __xchg(unsig
extern void disable_hlt(void);
extern void enable_hlt(void);
+#include <asm-generic/cmpxchg-local.h>
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr,o,n) \
+ (__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr)))
+#define cmpxchg64_local(ptr,o,n) __cmpxchg64_local_generic((ptr), (o), (n))
+
+#ifndef CONFIG_SMP
+#include <asm-generic/cmpxchg.h>
+#endif
+
#endif /* __ASSEMBLY__ */
#define arch_align_stack(x) (x)
_
Patches currently in -mm which might be from mathieu.desnoyers@xxxxxxxxxx are
local_t-documentation-update-2.patch
markers-fix-warnings.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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