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author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:53:16 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:53:16 +0200 |
commit | 9b610fda0df5d0f0b0c64242e37441ad1b384aac (patch) | |
tree | 0ea14b15f2e6546f37fe18d8ac3dc83077ec0e55 /include/asm-powerpc/synch.h | |
parent | b8f8c3cf0a4ac0632ec3f0e15e9dc0c29de917af (diff) | |
parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
download | linux-stable-9b610fda0df5d0f0b0c64242e37441ad1b384aac.tar.gz linux-stable-9b610fda0df5d0f0b0c64242e37441ad1b384aac.tar.bz2 linux-stable-9b610fda0df5d0f0b0c64242e37441ad1b384aac.zip |
Merge branch 'linus' into timers/nohz
Diffstat (limited to 'include/asm-powerpc/synch.h')
-rw-r--r-- | include/asm-powerpc/synch.h | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/include/asm-powerpc/synch.h b/include/asm-powerpc/synch.h index 2cda3c38a9fa..45963e80f557 100644 --- a/include/asm-powerpc/synch.h +++ b/include/asm-powerpc/synch.h @@ -3,34 +3,42 @@ #ifdef __KERNEL__ #include <linux/stringify.h> +#include <asm/feature-fixups.h> -#ifdef __powerpc64__ -#define __SUBARCH_HAS_LWSYNC -#endif +#ifndef __ASSEMBLY__ +extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup; +extern void do_lwsync_fixups(unsigned long value, void *fixup_start, + void *fixup_end); + +static inline void eieio(void) +{ + __asm__ __volatile__ ("eieio" : : : "memory"); +} + +static inline void isync(void) +{ + __asm__ __volatile__ ("isync" : : : "memory"); +} +#endif /* __ASSEMBLY__ */ -#ifdef __SUBARCH_HAS_LWSYNC +#if defined(__powerpc64__) # define LWSYNC lwsync +#elif defined(CONFIG_E500) +# define LWSYNC \ + START_LWSYNC_SECTION(96); \ + sync; \ + MAKE_LWSYNC_SECTION_ENTRY(96, __lwsync_fixup); #else # define LWSYNC sync #endif #ifdef CONFIG_SMP #define ISYNC_ON_SMP "\n\tisync\n" -#define LWSYNC_ON_SMP __stringify(LWSYNC) "\n" +#define LWSYNC_ON_SMP stringify_in_c(LWSYNC) "\n" #else #define ISYNC_ON_SMP #define LWSYNC_ON_SMP #endif -static inline void eieio(void) -{ - __asm__ __volatile__ ("eieio" : : : "memory"); -} - -static inline void isync(void) -{ - __asm__ __volatile__ ("isync" : : : "memory"); -} - #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_SYNCH_H */ |