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Diffstat (limited to 'include/asm-i386/local.h')
-rw-r--r--include/asm-i386/local.h82
1 files changed, 0 insertions, 82 deletions
diff --git a/include/asm-i386/local.h b/include/asm-i386/local.h
deleted file mode 100644
index 12060e22f7e..00000000000
--- a/include/asm-i386/local.h
+++ /dev/null
@@ -1,82 +0,0 @@
-#ifndef _ARCH_I386_LOCAL_H
-#define _ARCH_I386_LOCAL_H
-
-#include <linux/percpu.h>
-
-typedef struct
-{
- volatile long counter;
-} local_t;
-
-#define LOCAL_INIT(i) { (i) }
-
-#define local_read(v) ((v)->counter)
-#define local_set(v,i) (((v)->counter) = (i))
-
-static __inline__ void local_inc(local_t *v)
-{
- __asm__ __volatile__(
- "incl %0"
- :"+m" (v->counter));
-}
-
-static __inline__ void local_dec(local_t *v)
-{
- __asm__ __volatile__(
- "decl %0"
- :"+m" (v->counter));
-}
-
-static __inline__ void local_add(long i, local_t *v)
-{
- __asm__ __volatile__(
- "addl %1,%0"
- :"+m" (v->counter)
- :"ir" (i));
-}
-
-static __inline__ void local_sub(long i, local_t *v)
-{
- __asm__ __volatile__(
- "subl %1,%0"
- :"+m" (v->counter)
- :"ir" (i));
-}
-
-/* On x86, these are no better than the atomic variants. */
-#define __local_inc(l) local_inc(l)
-#define __local_dec(l) local_dec(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.
- */
-
-/* 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(v) \
- ({ local_t res__; \
- preempt_disable(); \
- res__ = (v); \
- preempt_enable(); \
- res__; })
-#define cpu_local_wrap(v) \
- ({ preempt_disable(); \
- v; \
- preempt_enable(); }) \
-
-#define cpu_local_read(v) cpu_local_wrap_v(local_read(&__get_cpu_var(v)))
-#define cpu_local_set(v, i) cpu_local_wrap(local_set(&__get_cpu_var(v), (i)))
-#define cpu_local_inc(v) cpu_local_wrap(local_inc(&__get_cpu_var(v)))
-#define cpu_local_dec(v) cpu_local_wrap(local_dec(&__get_cpu_var(v)))
-#define cpu_local_add(i, v) cpu_local_wrap(local_add((i), &__get_cpu_var(v)))
-#define cpu_local_sub(i, v) cpu_local_wrap(local_sub((i), &__get_cpu_var(v)))
-
-#define __cpu_local_inc(v) cpu_local_inc(v)
-#define __cpu_local_dec(v) cpu_local_dec(v)
-#define __cpu_local_add(i, v) cpu_local_add((i), (v))
-#define __cpu_local_sub(i, v) cpu_local_sub((i), (v))
-
-#endif /* _ARCH_I386_LOCAL_H */