aboutsummaryrefslogtreecommitdiff
path: root/include/asm-sparc/backoff.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-28 08:33:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-28 08:33:25 -0700
commitc32f1a34ff1097110469a240ea4539dc9c101e96 (patch)
treeeda863205e83afe54cbedcf15cdac416cdec2cf5 /include/asm-sparc/backoff.h
parent4f31f3080943c7e3541f07df326f06d598a067d0 (diff)
parent04d91cb8163f7f946e348b2362a6e5dfa5f06b13 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc: Set CONFIG_HAVE_ARCH_TRACEHOOK sparc: Add task_pt_regs(). sparc: Add call to tracehook_signal_handler(). sparc: Create and use TIF_NOTIFY_RESUME. sparc: Use tracehook routines in syscall_trace(). sparc64: tracehook: CONFIG_HAVE_ARCH_TRACEHOOK sparc: Add user_stack_pointer(). sparc64: tracehook_signal_handler sparc64: tracehook: TIF_NOTIFY_RESUME sparc: Add asm/syscall.h sparc64: tracehook syscall sparc: enable headers_export again sparc, sparc64: use arch/sparc/include
Diffstat (limited to 'include/asm-sparc/backoff.h')
-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 fa1fdf67e35..00000000000
--- a/include/asm-sparc/backoff.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#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 */