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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-13 14:39:42 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-13 14:39:42 -0800
commit9fdfbc2bff587f454dd95e2caa6d147c9abe39e4 (patch)
tree2feaee47cbcfb57dd0d5cf23509e22011541e717 /tools/perf/perf.h
parent8cea4eb642890a1de58980e7e1617d1765ef8f7c (diff)
parentdc1d628a67a8f042e711ea5accc0beedc3ef0092 (diff)
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Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf: Provide generic perf_sample_data initialization MAINTAINERS: Add Arnaldo as tools/perf/ co-maintainer perf trace: Don't use pager if scripting perf trace/scripting: Remove extraneous header read perf, ARM: Modify kuser rmb() call to compile for Thumb-2 x86/stacktrace: Don't dereference bad frame pointers perf archive: Don't try to collect files without a build-id perf_events, x86: Fixup fixed counter constraints perf, x86: Restrict the ANY flag perf, x86: rename macro in ARCH_PERFMON_EVENTSEL_ENABLE perf, x86: add some IBS macros to perf_event.h perf, x86: make IBS macros available in perf_event.h hw-breakpoints: Remove stub unthrottle callback x86/hw-breakpoints: Remove the name field perf: Remove pointless breakpoint union perf lock: Drop the buffers multiplexing dependency perf lock: Fix and add misc documentally things percpu: Add __percpu sparse annotations to hw_breakpoint
Diffstat (limited to 'tools/perf/perf.h')
-rw-r--r--tools/perf/perf.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 75f941bfba9e..6fb379bc1d1f 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -65,9 +65,7 @@
* Use the __kuser_memory_barrier helper in the CPU helper page. See
* arch/arm/kernel/entry-armv.S in the kernel source for details.
*/
-#define rmb() asm volatile("mov r0, #0xffff0fff; mov lr, pc;" \
- "sub pc, r0, #95" ::: "r0", "lr", "cc", \
- "memory")
+#define rmb() ((void(*)(void))0xffff0fa0)()
#define cpu_relax() asm volatile("":::"memory")
#endif