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| author | Jens Axboe <jens.axboe@oracle.com> | 2009-12-22 09:06:43 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-12-22 09:06:43 +0100 |
| commit | e0c4a4691b78163e8dfca9221147b2b076819cf3 (patch) | |
| tree | 995e3651192e9d078f74eb1a51dbe6246633f6c9 /arch/arch-sh.h | |
| parent | c4d8710f7cd2d449f452082786c9e59186aa388b (diff) | |
| download | fio-e0c4a4691b78163e8dfca9221147b2b076819cf3.tar.gz | |
Fix barrier for sh4a
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/arch-sh.h')
| -rw-r--r-- | arch/arch-sh.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/arch-sh.h b/arch/arch-sh.h index 23e6ca07..08c5fb3d 100644 --- a/arch/arch-sh.h +++ b/arch/arch-sh.h @@ -21,7 +21,14 @@ #endif #define nop __asm__ __volatile__ ("nop": : :"memory") -#define read_barrier() __asm__ __volatile__ (" " : : : "memory") -#define write_barrier() __asm__ __volatile__ (" " : : : "memory") + +#if defined(__SH4A__) +#define mb() __asm__ __volatile__ ("synco": : :"memory") +#else +#define mb() __asm__ __volatile__ (" " : : : "memory") +#endif + +#define read_barrier() mb() +#define write_barrier() mb() #endif |