diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:15:01 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:15:01 +0000 |
| commit | 7996a3d79d55b7f879dfd62e202bbfe2963718d3 (patch) | |
| tree | 8d9f6759fec4099b9be503c11c7ed174f7204980 /libdde-linux26/libdde_linux26/contrib/include/asm-generic/local.h | |
| parent | 4fbe7358c7747a9165f776eb19addbb9baf7def2 (diff) | |
really properly move files
Diffstat (limited to 'libdde-linux26/libdde_linux26/contrib/include/asm-generic/local.h')
| -rw-r--r-- | libdde-linux26/libdde_linux26/contrib/include/asm-generic/local.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/libdde-linux26/libdde_linux26/contrib/include/asm-generic/local.h b/libdde-linux26/libdde_linux26/contrib/include/asm-generic/local.h deleted file mode 100644 index dbd61507..00000000 --- a/libdde-linux26/libdde_linux26/contrib/include/asm-generic/local.h +++ /dev/null @@ -1,74 +0,0 @@ -#ifndef _ASM_GENERIC_LOCAL_H -#define _ASM_GENERIC_LOCAL_H - -#include <linux/percpu.h> -#include <asm/atomic.h> -#include <asm/types.h> - -/* - * A signed long type for operations which are atomic for a single CPU. - * Usually used in combination with per-cpu variables. - * - * This is the default implementation, which uses atomic_long_t. Which is - * rather pointless. The whole point behind local_t is that some processors - * can perform atomic adds and subtracts in a manner which is atomic wrt IRQs - * running on this CPU. local_t allows exploitation of such capabilities. - */ - -/* Implement in terms of atomics. */ - -/* Don't use typedef: don't want them to be mixed with atomic_t's. */ -typedef struct -{ - atomic_long_t a; -} local_t; - -#define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - -#define local_read(l) atomic_long_read(&(l)->a) -#define local_set(l,i) atomic_long_set((&(l)->a),(i)) -#define local_inc(l) atomic_long_inc(&(l)->a) -#define local_dec(l) atomic_long_dec(&(l)->a) -#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) -#define __local_dec(l) local_set((l), local_read(l) - 1) -#define __local_add(i,l) local_set((l), local_read(l) + (i)) -#define __local_sub(i,l) local_set((l), local_read(l) - (i)) - -/* Use these for per-cpu local_t variables: on some archs they are - * much more efficient than these naive implementations. Note they take - * a variable (eg. mystruct.foo), not an address. - */ -#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(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 */ |
