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    Subject[PATCH] atomic_inc_return() for sparc64[5/5] (Re: atomic_inc_return)

    [5/5] atomic_inc_return-linux-2.6.9-rc1.sparc64.patch
    This patch declares atomic_add_return() as an alias of __atomic_add().
    atomic64_add_return(),atomic_sub_return() and atomic64_sub_return() are same.
    This patch has not been tested, since we don't have SPARC64 machine.
    I want to let this reviewed by SPARC64 specialists.

    Signed-off-by: KaiGai, Kohei <>
    Kai Gai <>

    diff -rNU4 linux-2.6.9-rc1/include/asm-sparc64/atomic.h linux-2.6.9-rc1.atomic_inc_return/include/asm-sparc64/atomic.h
    --- linux-2.6.9-rc1/include/asm-sparc64/atomic.h 2004-08-24 16:03:32.000000000 +0900
    +++ linux-2.6.9-rc1.atomic_inc_return/include/asm-sparc64/atomic.h 2004-09-10 10:13:25.000000000 +0900
    @@ -39,8 +39,14 @@

    #define atomic_inc_return(v) __atomic_add(1, v)
    #define atomic64_inc_return(v) __atomic64_add(1, v)

    +#define atomic_sub_return(i, v) __atomic_sub(i, v)
    +#define atomic64_sub_return(i, v) __atomic64_sub(i, v)
    +#define atomic_add_return(i, v) __atomic_add(i, v)
    +#define atomic64_add_return(i, v) __atomic64_add(i, v)
    * atomic_inc_and_test - increment and test
    * @v: pointer of type atomic_t
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