From 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sat, 16 Apr 2005 15:20:36 -0700 Subject: Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip! --- include/asm-ia64/local.h | 50 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 include/asm-ia64/local.h (limited to 'include/asm-ia64/local.h') diff --git a/include/asm-ia64/local.h b/include/asm-ia64/local.h new file mode 100644 index 00000000000..1dbd584ad85 --- /dev/null +++ b/include/asm-ia64/local.h @@ -0,0 +1,50 @@ +#ifndef _ASM_IA64_LOCAL_H +#define _ASM_IA64_LOCAL_H + +/* + * Copyright (C) 2003 Hewlett-Packard Co + * David Mosberger-Tang + */ + +#include + +typedef struct { + atomic64_t val; +} local_t; + +#define LOCAL_INIT(i) ((local_t) { { (i) } }) +#define local_read(l) atomic64_read(&(l)->val) +#define local_set(l, i) atomic64_set(&(l)->val, i) +#define local_inc(l) atomic64_inc(&(l)->val) +#define local_dec(l) atomic64_dec(&(l)->val) +#define local_add(l) atomic64_add(&(l)->val) +#define local_sub(l) atomic64_sub(&(l)->val) + +/* Non-atomic variants, i.e., preemption disabled and won't be touched in interrupt, etc. */ + +#define __local_inc(l) (++(l)->val.counter) +#define __local_dec(l) (--(l)->val.counter) +#define __local_add(i,l) ((l)->val.counter += (i)) +#define __local_sub(i,l) ((l)->val.counter -= (i)) + +/* + * Use these for per-cpu local_t variables. Note they take a variable (eg. mystruct.foo), + * not an address. + */ +#define cpu_local_read(v) local_read(&__ia64_per_cpu_var(v)) +#define cpu_local_set(v, i) local_set(&__ia64_per_cpu_var(v), (i)) +#define cpu_local_inc(v) local_inc(&__ia64_per_cpu_var(v)) +#define cpu_local_dec(v) local_dec(&__ia64_per_cpu_var(v)) +#define cpu_local_add(i, v) local_add((i), &__ia64_per_cpu_var(v)) +#define cpu_local_sub(i, v) local_sub((i), &__ia64_per_cpu_var(v)) + +/* + * Non-atomic increments, i.e., preemption disabled and won't be touched in interrupt, + * etc. + */ +#define __cpu_local_inc(v) __local_inc(&__ia64_per_cpu_var(v)) +#define __cpu_local_dec(v) __local_dec(&__ia64_per_cpu_var(v)) +#define __cpu_local_add(i, v) __local_add((i), &__ia64_per_cpu_var(v)) +#define __cpu_local_sub(i, v) __local_sub((i), &__ia64_per_cpu_var(v)) + +#endif /* _ASM_IA64_LOCAL_H */ -- cgit v1.2.3