* + add-cmpxchg_local-to-m68knommu.patch added to -mm tree
@ 2007-10-31 21:16 akpm
0 siblings, 0 replies; 2+ messages in thread
From: akpm @ 2007-10-31 21:16 UTC (permalink / raw)
To: mm-commits; +Cc: mathieu.desnoyers, gerg
The patch titled
Add cmpxchg_local to m68knommu
has been added to the -mm tree. Its filename is
add-cmpxchg_local-to-m68knommu.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 cmpxchg_local to m68knommu
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
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@polymtl.ca>
Cc: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/asm-m68knommu/system.h | 28 +++++++++++-----------------
1 file changed, 11 insertions(+), 17 deletions(-)
diff -puN include/asm-m68knommu/system.h~add-cmpxchg_local-to-m68knommu include/asm-m68knommu/system.h
--- a/include/asm-m68knommu/system.h~add-cmpxchg_local-to-m68knommu
+++ a/include/asm-m68knommu/system.h
@@ -186,26 +186,20 @@ static inline unsigned long __xchg(unsig
}
#endif
+#include <asm-generic/cmpxchg-local.h>
+
/*
- * Atomic compare and exchange. Compare OLD with MEM, if identical,
- * store NEW in MEM. Return the initial value in MEM. Success is
- * indicated by comparing RETURN with OLD.
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
*/
-#define __HAVE_ARCH_CMPXCHG 1
-
-static __inline__ unsigned long
-cmpxchg(volatile int *p, int old, int new)
-{
- unsigned long flags;
- int prev;
-
- local_irq_save(flags);
- if ((prev = *p) == old)
- *p = new;
- local_irq_restore(flags);
- return(prev);
-}
+#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
#ifdef CONFIG_M68332
#define HARD_RESET_NOW() ({ \
_
Patches currently in -mm which might be from mathieu.desnoyers@polymtl.ca 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
^ permalink raw reply [flat|nested] 2+ messages in thread
* + add-cmpxchg_local-to-m68knommu.patch added to -mm tree
@ 2007-11-01 19:09 akpm
0 siblings, 0 replies; 2+ messages in thread
From: akpm @ 2007-11-01 19:09 UTC (permalink / raw)
To: mm-commits; +Cc: mathieu.desnoyers, gerg
The patch titled
Add cmpxchg_local to m68knommu
has been added to the -mm tree. Its filename is
add-cmpxchg_local-to-m68knommu.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 cmpxchg_local to m68knommu
From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
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@polymtl.ca>
Cc: Greg Ungerer <gerg@snapgear.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/asm-m68knommu/system.h | 28 +++++++++++-----------------
1 file changed, 11 insertions(+), 17 deletions(-)
diff -puN include/asm-m68knommu/system.h~add-cmpxchg_local-to-m68knommu include/asm-m68knommu/system.h
--- a/include/asm-m68knommu/system.h~add-cmpxchg_local-to-m68knommu
+++ a/include/asm-m68knommu/system.h
@@ -186,26 +186,20 @@ static inline unsigned long __xchg(unsig
}
#endif
+#include <asm-generic/cmpxchg-local.h>
+
/*
- * Atomic compare and exchange. Compare OLD with MEM, if identical,
- * store NEW in MEM. Return the initial value in MEM. Success is
- * indicated by comparing RETURN with OLD.
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
*/
-#define __HAVE_ARCH_CMPXCHG 1
-
-static __inline__ unsigned long
-cmpxchg(volatile int *p, int old, int new)
-{
- unsigned long flags;
- int prev;
-
- local_irq_save(flags);
- if ((prev = *p) == old)
- *p = new;
- local_irq_restore(flags);
- return(prev);
-}
+#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
#ifdef CONFIG_M68332
#define HARD_RESET_NOW() ({ \
_
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-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
^ permalink raw reply [flat|nested] 2+ messages in thread
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2007-10-31 21:16 + add-cmpxchg_local-to-m68knommu.patch added to -mm tree akpm
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2007-11-01 19:09 akpm
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