#ifndef _ASM_LOCAL_H #define _ASM_LOCAL_H #include <linux/config.h> #include <linux/percpu.h> #include <asm/atomic.h> #ifndef __s390x__ typedef atomic_t local_t; #define LOCAL_INIT(i) ATOMIC_INIT(i) #define local_read(v) atomic_read(v) #define local_set(v,i) atomic_set(v,i) #define local_inc(v) atomic_inc(v) #define local_dec(v) atomic_dec(v) #define local_add(i, v) atomic_add(i, v) #define local_sub(i, v) atomic_sub(i, v) #else 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) #endif #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 /* _ASM_LOCAL_H */