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    Subject[patch 04/28] Add cmpxchg64 and cmpxchg64_local to powerpc
    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
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