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local_t: Remove cpu_local_xx macros

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These macros have not been used for awhile now.

Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Christoph Lameter
2010-01-05 15:34:49 +09:00
committed by Tejun Heo
parent 32032df6c2
commit 38b7827fcd
6 changed files with 0 additions and 148 deletions
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37
arch/x86/include/asm/local.h
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@@ -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 */