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* - add-cmpxchg_local-to-frv.patch removed from -mm tree
@ 2007-10-31 22:41 akpm
  0 siblings, 0 replies; 2+ messages in thread
From: akpm @ 2007-10-31 22:41 UTC (permalink / raw)
  To: mathieu.desnoyers, dhowells, mm-commits


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

^ permalink raw reply	[flat|nested] 2+ messages in thread

* - add-cmpxchg_local-to-frv.patch removed from -mm tree
@ 2008-02-08  8:08 akpm
  0 siblings, 0 replies; 2+ messages in thread
From: akpm @ 2008-02-08  8:08 UTC (permalink / raw)
  To: mathieu.desnoyers, dhowells, mm-commits


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 it was merged into mainline or a subsystem tree

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
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

origin.patch
modules-handle-symbols-that-have-a-zero-value.patch
modules-handle-symbols-that-have-a-zero-value-fix.patch
linux-kernel-markers-support-multiple-probes.patch
linux-kernel-markers-support-multiple-probes-update.patch
linux-kernel-markers-create-modpost-file.patch

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2008-02-08  8:20 UTC | newest]

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2007-10-31 22:41 - add-cmpxchg_local-to-frv.patch removed from -mm tree akpm
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