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author | Ingo Molnar <mingo@elte.hu> | 2009-05-07 11:17:13 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-05-07 11:17:34 +0200 |
commit | 44347d947f628060b92449702071bfe1d31dfb75 (patch) | |
tree | c6ed74610d5b3295df4296659f80f5feb94b28cc /include/asm-generic/percpu.h | |
parent | d94fc523f3c35bd8013f04827e94756cbc0212f4 (diff) | |
parent | 413f81eba35d6ede9289b0c8a920c013a84fac71 (diff) | |
download | linux-44347d947f628060b92449702071bfe1d31dfb75.tar.bz2 |
Merge branch 'linus' into tracing/core
Merge reason: tracing/core was on a .30-rc1 base and was missing out on
on a handful of tracing fixes present in .30-rc5-almost.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-generic/percpu.h')
-rw-r--r-- | include/asm-generic/percpu.h | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index b0e63c672ebd..d7d50d7ee51e 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -1,13 +1,9 @@ #ifndef _ASM_GENERIC_PERCPU_H_ #define _ASM_GENERIC_PERCPU_H_ + #include <linux/compiler.h> #include <linux/threads.h> - -/* - * Determine the real variable name from the name visible in the - * kernel sources. - */ -#define per_cpu_var(var) per_cpu__##var +#include <linux/percpu-defs.h> #ifdef CONFIG_SMP @@ -73,11 +69,32 @@ extern void setup_per_cpu_areas(void); #endif /* SMP */ +#ifndef PER_CPU_BASE_SECTION +#ifdef CONFIG_SMP +#define PER_CPU_BASE_SECTION ".data.percpu" +#else +#define PER_CPU_BASE_SECTION ".data" +#endif +#endif + +#ifdef CONFIG_SMP + +#ifdef MODULE +#define PER_CPU_SHARED_ALIGNED_SECTION "" +#else +#define PER_CPU_SHARED_ALIGNED_SECTION ".shared_aligned" +#endif +#define PER_CPU_FIRST_SECTION ".first" + +#else + +#define PER_CPU_SHARED_ALIGNED_SECTION "" +#define PER_CPU_FIRST_SECTION "" + +#endif + #ifndef PER_CPU_ATTRIBUTES #define PER_CPU_ATTRIBUTES #endif -#define DECLARE_PER_CPU(type, name) extern PER_CPU_ATTRIBUTES \ - __typeof__(type) per_cpu_var(name) - #endif /* _ASM_GENERIC_PERCPU_H_ */ |