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    Subject[PATCH 01/10] local_t : architecture independant extension
    Date
    local_t : architecture independant extension

    Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>

    --- a/include/asm-generic/local.h
    +++ b/include/asm-generic/local.h
    @@ -33,6 +33,19 @@ typedef struct
    #define local_add(i,l) atomic_long_add((i),(&(l)->a))
    #define local_sub(i,l) atomic_long_sub((i),(&(l)->a))

    +#define local_sub_and_test(i, l) atomic_long_sub_and_test((i), (&(l)->a))
    +#define local_dec_and_test(l) atomic_long_dec_and_test(&(l)->a)
    +#define local_inc_and_test(l) atomic_long_inc_and_test(&(l)->a)
    +#define local_add_negative(i, l) atomic_long_add_negative((i), (&(l)->a))
    +#define local_add_return(i, l) atomic_long_add_return((i), (&(l)->a))
    +#define local_sub_return(i, l) atomic_long_sub_return((i), (&(l)->a))
    +#define local_inc_return(l) atomic_long_inc_return(&(l)->a)
    +
    +#define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n))
    +#define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n))
    +#define local_add_unless(l, a, u) atomic_long_add_unless((&(l)->a), (a), (u))
    +#define local_inc_not_zero(l) atomic_long_inc_not_zero(&(l)->a)
    +
    /* Non-atomic variants, ie. preemption disabled and won't be touched
    * in interrupt, etc. Some archs can optimize this case well. */
    #define __local_inc(l) local_set((l), local_read(l) + 1)
    @@ -44,19 +57,19 @@ typedef struct
    * much more efficient than these naive implementations. Note they take
    * a variable (eg. mystruct.foo), not an address.
    */
    -#define cpu_local_read(v) local_read(&__get_cpu_var(v))
    -#define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i))
    -#define cpu_local_inc(v) local_inc(&__get_cpu_var(v))
    -#define cpu_local_dec(v) local_dec(&__get_cpu_var(v))
    -#define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v))
    -#define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v))
    +#define cpu_local_read(l) local_read(&__get_cpu_var(l))
    +#define cpu_local_set(l, i) local_set(&__get_cpu_var(l), (i))
    +#define cpu_local_inc(l) local_inc(&__get_cpu_var(l))
    +#define cpu_local_dec(l) local_dec(&__get_cpu_var(l))
    +#define cpu_local_add(i, l) local_add((i), &__get_cpu_var(l))
    +#define cpu_local_sub(i, l) local_sub((i), &__get_cpu_var(l))

    /* Non-atomic increments, ie. preemption disabled and won't be touched
    * in interrupt, etc. Some archs can optimize this case well.
    */
    -#define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v))
    -#define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v))
    -#define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v))
    -#define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v))
    +#define __cpu_local_inc(l) __local_inc(&__get_cpu_var(l))
    +#define __cpu_local_dec(l) __local_dec(&__get_cpu_var(l))
    +#define __cpu_local_add(i, l) __local_add((i), &__get_cpu_var(l))
    +#define __cpu_local_sub(i, l) __local_sub((i), &__get_cpu_var(l))

    #endif /* _ASM_GENERIC_LOCAL_H */
    -
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