diff options
Diffstat (limited to 'include/asm-sparc/backoff.h')
-rw-r--r-- | include/asm-sparc/backoff.h | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/include/asm-sparc/backoff.h b/include/asm-sparc/backoff.h deleted file mode 100644 index fa1fdf67e350..000000000000 --- a/include/asm-sparc/backoff.h +++ /dev/null | |||
@@ -1,31 +0,0 @@ | |||
1 | #ifndef _SPARC64_BACKOFF_H | ||
2 | #define _SPARC64_BACKOFF_H | ||
3 | |||
4 | #define BACKOFF_LIMIT (4 * 1024) | ||
5 | |||
6 | #ifdef CONFIG_SMP | ||
7 | |||
8 | #define BACKOFF_SETUP(reg) \ | ||
9 | mov 1, reg | ||
10 | |||
11 | #define BACKOFF_SPIN(reg, tmp, label) \ | ||
12 | mov reg, tmp; \ | ||
13 | 88: brnz,pt tmp, 88b; \ | ||
14 | sub tmp, 1, tmp; \ | ||
15 | set BACKOFF_LIMIT, tmp; \ | ||
16 | cmp reg, tmp; \ | ||
17 | bg,pn %xcc, label; \ | ||
18 | nop; \ | ||
19 | ba,pt %xcc, label; \ | ||
20 | sllx reg, 1, reg; | ||
21 | |||
22 | #else | ||
23 | |||
24 | #define BACKOFF_SETUP(reg) | ||
25 | #define BACKOFF_SPIN(reg, tmp, label) \ | ||
26 | ba,pt %xcc, label; \ | ||
27 | nop; | ||
28 | |||
29 | #endif | ||
30 | |||
31 | #endif /* _SPARC64_BACKOFF_H */ | ||