From: akpm@linux-foundation.org
To: mathieu.desnoyers@polymtl.ca, dhowells@redhat.com,
mm-commits@vger.kernel.org
Subject: - add-cmpxchg_local-to-frv.patch removed from -mm tree
Date: Wed, 31 Oct 2007 15:41:06 -0700 [thread overview]
Message-ID: <20071031224106.6C361432BF5@localhost> (raw)
The patch titled
Add cmpxchg_local to frv
has been removed from the -mm tree. Its filename was
add-cmpxchg_local-to-frv.patch
This patch was dropped because an updated version will be merged
------------------------------------------------------
Subject: Add cmpxchg_local to frv
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Use the new generic cmpxchg_local (disables interrupt) for 8, 16 and 64 bits
arguments. Use the 32 bits cmpxchg available on the architecture for 32 bits
arguments.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/asm-frv/system.h | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff -puN include/asm-frv/system.h~add-cmpxchg_local-to-frv include/asm-frv/system.h
--- a/include/asm-frv/system.h~add-cmpxchg_local-to-frv
+++ a/include/asm-frv/system.h
@@ -268,5 +268,29 @@ extern uint32_t __cmpxchg_32(uint32_t *v
#endif
+#include <asm-generic/cmpxchg-local.h>
+
+static inline unsigned long __cmpxchg_local(volatile void *ptr,
+ unsigned long old,
+ unsigned long new, int size)
+{
+ switch (size) {
+ case 4:
+ return cmpxchg(ptr, old, new);
+ default:
+ return __cmpxchg_local_generic(ptr, old, new, size);
+ }
+
+ return old;
+}
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr,o,n) \
+ (__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \
+ (unsigned long)(n), sizeof(*(ptr)))
+#define cmpxchg64_local(ptr,o,n) __cmpxchg64_local_generic((ptr), (o), (n))
#endif /* _ASM_SYSTEM_H */
_
Patches currently in -mm which might be from mathieu.desnoyers@polymtl.ca are
local_t-documentation-update-2.patch
markers-fix-warnings.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
next reply other threads:[~2007-10-31 22:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-31 22:41 akpm [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-02-08 8:08 - add-cmpxchg_local-to-frv.patch removed from -mm tree akpm
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