diff options
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 fa1fdf67e35..8ee26d947e0 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> |