提交 38b7827f 编写于 作者: C Christoph Lameter 提交者: Tejun Heo

local_t: Remove cpu_local_xx macros

These macros have not been used for awhile now.
Signed-off-by: NChristoph Lameter <cl@linux-foundation.org>
Signed-off-by: NTejun Heo <tj@kernel.org>
上级 32032df6
......@@ -98,21 +98,4 @@ static __inline__ long local_sub_return(long i, local_t * l)
#define __local_add(i,l) ((l)->a.counter+=(i))
#define __local_sub(i,l) ((l)->a.counter-=(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, 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))
#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 /* _ALPHA_LOCAL_H */
......@@ -338,29 +338,4 @@ static inline void local_set_mask(unsigned long mask, local_t *addr)
* a variable, not an address.
*/
/* Need to disable preemption for the cpu local counters otherwise we could
still access a variable of a previous CPU in a non local way. */
#define cpu_local_wrap_v(l) \
({ local_t res__; \
preempt_disable(); \
res__ = (l); \
preempt_enable(); \
res__; })
#define cpu_local_wrap(l) \
({ preempt_disable(); \
l; \
preempt_enable(); }) \
#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var(l)))
#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var(l), (i)))
#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var(l)))
#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var(l)))
#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var(l)))
#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var(l)))
#define __cpu_local_inc(l) cpu_local_inc(l)
#define __cpu_local_dec(l) cpu_local_dec(l)
#define __cpu_local_add(i, l) cpu_local_add((i), (l))
#define __cpu_local_sub(i, l) cpu_local_sub((i), (l))
#endif /* __M32R_LOCAL_H */
......@@ -193,29 +193,4 @@ static __inline__ long local_sub_return(long i, local_t * l)
#define __local_add(i, l) ((l)->a.counter+=(i))
#define __local_sub(i, l) ((l)->a.counter-=(i))
/* Need to disable preemption for the cpu local counters otherwise we could
still access a variable of a previous CPU in a non atomic way. */
#define cpu_local_wrap_v(l) \
({ local_t res__; \
preempt_disable(); \
res__ = (l); \
preempt_enable(); \
res__; })
#define cpu_local_wrap(l) \
({ preempt_disable(); \
l; \
preempt_enable(); }) \
#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var(l)))
#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var(l), (i)))
#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var(l)))
#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var(l)))
#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var(l)))
#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var(l)))
#define __cpu_local_inc(l) cpu_local_inc(l)
#define __cpu_local_dec(l) cpu_local_dec(l)
#define __cpu_local_add(i, l) cpu_local_add((i), (l))
#define __cpu_local_sub(i, l) cpu_local_sub((i), (l))
#endif /* _ARCH_MIPS_LOCAL_H */
......@@ -172,29 +172,4 @@ static __inline__ long local_dec_if_positive(local_t *l)
#define __local_add(i,l) ((l)->a.counter+=(i))
#define __local_sub(i,l) ((l)->a.counter-=(i))
/* Need to disable preemption for the cpu local counters otherwise we could
still access a variable of a previous CPU in a non atomic way. */
#define cpu_local_wrap_v(l) \
({ local_t res__; \
preempt_disable(); \
res__ = (l); \
preempt_enable(); \
res__; })
#define cpu_local_wrap(l) \
({ preempt_disable(); \
l; \
preempt_enable(); }) \
#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var(l)))
#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var(l), (i)))
#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var(l)))
#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var(l)))
#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var(l)))
#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var(l)))
#define __cpu_local_inc(l) cpu_local_inc(l)
#define __cpu_local_dec(l) cpu_local_dec(l)
#define __cpu_local_add(i, l) cpu_local_add((i), (l))
#define __cpu_local_sub(i, l) cpu_local_sub((i), (l))
#endif /* _ARCH_POWERPC_LOCAL_H */
......@@ -195,41 +195,4 @@ static inline long local_sub_return(long i, local_t *l)
#define __local_add(i, l) local_add((i), (l))
#define __local_sub(i, l) local_sub((i), (l))
/* 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, not an address.
*
* X86_64: This could be done better if we moved the per cpu data directly
* after GS.
*/
/* Need to disable preemption for the cpu local counters otherwise we could
still access a variable of a previous CPU in a non atomic way. */
#define cpu_local_wrap_v(l) \
({ \
local_t res__; \
preempt_disable(); \
res__ = (l); \
preempt_enable(); \
res__; \
})
#define cpu_local_wrap(l) \
({ \
preempt_disable(); \
(l); \
preempt_enable(); \
}) \
#define cpu_local_read(l) cpu_local_wrap_v(local_read(&__get_cpu_var((l))))
#define cpu_local_set(l, i) cpu_local_wrap(local_set(&__get_cpu_var((l)), (i)))
#define cpu_local_inc(l) cpu_local_wrap(local_inc(&__get_cpu_var((l))))
#define cpu_local_dec(l) cpu_local_wrap(local_dec(&__get_cpu_var((l))))
#define cpu_local_add(i, l) cpu_local_wrap(local_add((i), &__get_cpu_var((l))))
#define cpu_local_sub(i, l) cpu_local_wrap(local_sub((i), &__get_cpu_var((l))))
#define __cpu_local_inc(l) cpu_local_inc((l))
#define __cpu_local_dec(l) cpu_local_dec((l))
#define __cpu_local_add(i, l) cpu_local_add((i), (l))
#define __cpu_local_sub(i, l) cpu_local_sub((i), (l))
#endif /* _ASM_X86_LOCAL_H */
......@@ -52,23 +52,4 @@ typedef struct
#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 */
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册