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-rw-r--r--include/asm-sparc/backoff.h31
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; \
1388: 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 */