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Diffstat (limited to 'include/asm-sparc64/local.h')
| -rw-r--r-- | include/asm-sparc64/local.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/asm-sparc64/local.h b/include/asm-sparc64/local.h new file mode 100644 index 000000000000..dfde115ac892 --- /dev/null +++ b/include/asm-sparc64/local.h @@ -0,0 +1,40 @@ +#ifndef _ARCH_SPARC64_LOCAL_H +#define _ARCH_SPARC64_LOCAL_H + +#include <linux/percpu.h> +#include <asm/atomic.h> + +typedef atomic64_t local_t; + +#define LOCAL_INIT(i) ATOMIC64_INIT(i) +#define local_read(v) atomic64_read(v) +#define local_set(v,i) atomic64_set(v,i) + +#define local_inc(v) atomic64_inc(v) +#define local_dec(v) atomic64_dec(v) +#define local_add(i, v) atomic64_add(i, v) +#define local_sub(i, v) atomic64_sub(i, v) + +#define __local_inc(v) ((v)->counter++) +#define __local_dec(v) ((v)->counter--) +#define __local_add(i,v) ((v)->counter+=(i)) +#define __local_sub(i,v) ((v)->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(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_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)) + +#endif /* _ARCH_SPARC64_LOCAL_H */ |