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| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-07-27 15:54:08 +0400 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-07-27 15:54:08 +0400 |
| commit | eda3d8f5604860aae1bb9996bb5efc4213778369 (patch) | |
| tree | 9d3887d2665bcc5f5abf200758794545c7b2c69b /include/asm-sparc64/backoff.h | |
| parent | 87a9f704658a40940e740b1d73d861667e9164d3 (diff) | |
| parent | 8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff) | |
| download | linux-eda3d8f5604860aae1bb9996bb5efc4213778369.tar.xz | |
Merge commit 'upstream/master'
Diffstat (limited to 'include/asm-sparc64/backoff.h')
| -rw-r--r-- | include/asm-sparc64/backoff.h | 32 |
1 files changed, 1 insertions, 31 deletions
diff --git a/include/asm-sparc64/backoff.h b/include/asm-sparc64/backoff.h index fa1fdf67e350..8ee26d947e0e 100644 --- a/include/asm-sparc64/backoff.h +++ b/include/asm-sparc64/backoff.h @@ -1,31 +1 @@ -#ifndef _SPARC64_BACKOFF_H -#define _SPARC64_BACKOFF_H - -#define BACKOFF_LIMIT (4 * 1024) - -#ifdef CONFIG_SMP - -#define BACKOFF_SETUP(reg) \ - mov 1, reg - -#define BACKOFF_SPIN(reg, tmp, label) \ - mov reg, tmp; \ -88: brnz,pt tmp, 88b; \ - sub tmp, 1, tmp; \ - set BACKOFF_LIMIT, tmp; \ - cmp reg, tmp; \ - bg,pn %xcc, label; \ - nop; \ - ba,pt %xcc, label; \ - sllx reg, 1, reg; - -#else - -#define BACKOFF_SETUP(reg) -#define BACKOFF_SPIN(reg, tmp, label) \ - ba,pt %xcc, label; \ - nop; - -#endif - -#endif /* _SPARC64_BACKOFF_H */ +#include <asm-sparc/backoff.h> |