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Date: Thu, 11 Jan 2007 20:42:52 -0500 From: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> To: linux-kernel@...r.kernel.org Cc: Linus Torvalds <torvalds@...l.org>, Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...hat.com>, Greg Kroah-Hartman <gregkh@...e.de>, Christoph Hellwig <hch@...radead.org>, ltt-dev@...fik.org, systemtap@...rces.redhat.com, Douglas Niehaus <niehaus@...s.ku.edu>, "Martin J. Bligh" <mbligh@...igh.org>, Thomas Gleixner <tglx@...utronix.de>, Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> Subject: [PATCH 01/10] local_t : architecture independant extension local_t : architecture independant extension Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.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, old, new) atomic_long_cmpxchg((&(l)->a), (old), (new)) +#define local_xchg(l, new) atomic_long_xchg((&(l)->a), (new)) +#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 */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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