* [patch 04/28] Add cmpxchg64 and cmpxchg64_local to powerpc
[not found] <20070827155234.062715780@polymtl.ca>
@ 2007-08-27 15:52 ` Mathieu Desnoyers
2007-09-22 4:46 ` Paul Mackerras
0 siblings, 1 reply; 3+ messages in thread
From: Mathieu Desnoyers @ 2007-08-27 15:52 UTC (permalink / raw)
To: akpm, linux-kernel; +Cc: paulus, Mathieu Desnoyers, linuxppc-dev
Make sure that at least cmpxchg64_local is available on all architectures to use
for unsigned long long values.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: paulus@samba.org
CC: linuxppc-dev@ozlabs.org
---
include/asm-powerpc/system.h | 6 ++++++
1 file changed, 6 insertions(+)
Index: linux-2.6-lttng/include/asm-powerpc/system.h
===================================================================
--- linux-2.6-lttng.orig/include/asm-powerpc/system.h 2007-08-27 11:42:08.000000000 -0400
+++ linux-2.6-lttng/include/asm-powerpc/system.h 2007-08-27 11:42:43.000000000 -0400
@@ -485,6 +485,12 @@ __cmpxchg_local(volatile void *ptr, unsi
*/
#define NET_IP_ALIGN 0
#define NET_SKB_PAD L1_CACHE_BYTES
+
+#define cmpxchg64 cmpxchg
+#define cmpxchg64_local cmpxchg_local
+#else
+#include <asm-generic/cmpxchg-local.h>
+#define cmpxchg64_local(ptr,o,n) __cmpxchg64_local_generic((ptr), (o), (n))
#endif
#define arch_align_stack(x) (x)
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [patch 04/28] Add cmpxchg64 and cmpxchg64_local to powerpc
2007-08-27 15:52 ` [patch 04/28] Add cmpxchg64 and cmpxchg64_local to powerpc Mathieu Desnoyers
@ 2007-09-22 4:46 ` Paul Mackerras
2007-09-22 14:35 ` Mathieu Desnoyers
0 siblings, 1 reply; 3+ messages in thread
From: Paul Mackerras @ 2007-09-22 4:46 UTC (permalink / raw)
To: Mathieu Desnoyers; +Cc: linuxppc-dev, akpm, linux-kernel
Mathieu Desnoyers writes:
> Make sure that at least cmpxchg64_local is available on all architectures to use
> for unsigned long long values.
>
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: Paul Mackerras <paulus@samba.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [patch 04/28] Add cmpxchg64 and cmpxchg64_local to powerpc
2007-09-22 4:46 ` Paul Mackerras
@ 2007-09-22 14:35 ` Mathieu Desnoyers
0 siblings, 0 replies; 3+ messages in thread
From: Mathieu Desnoyers @ 2007-09-22 14:35 UTC (permalink / raw)
To: Paul Mackerras; +Cc: linuxppc-dev, akpm, linux-kernel
* Paul Mackerras (paulus@samba.org) wrote:
> Mathieu Desnoyers writes:
>
> > Make sure that at least cmpxchg64_local is available on all architectures to use
> > for unsigned long long values.
> >
> > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
>
> Acked-by: Paul Mackerras <paulus@samba.org>
Thanks Paul,
Just make sure add-cmpxchg-local-to-generic-for-up.patch gets merged
before this one, since it needs asm-generic/cmpxchg-local.h.
Mathieu
--
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68
^ permalink raw reply [flat|nested] 3+ messages in thread
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2007-08-27 15:52 ` [patch 04/28] Add cmpxchg64 and cmpxchg64_local to powerpc Mathieu Desnoyers
2007-09-22 4:46 ` Paul Mackerras
2007-09-22 14:35 ` Mathieu Desnoyers
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