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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-07 18:14:25 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-08 16:05:06 -0300 |
| commit | 4f3db0746c91453a88e302d1aac30be08ba9e52f (patch) | |
| tree | d6941cfda3a35eca0c7d027de204fb3d58ca0037 /tools/arch/arm | |
| parent | perf tools: Move ia64 barrier.h stuff to tools/arch/ia64/include/asm/barrier.h (diff) | |
| download | linux-dev-4f3db0746c91453a88e302d1aac30be08ba9e52f.tar.xz linux-dev-4f3db0746c91453a88e302d1aac30be08ba9e52f.zip | |
perf tools: Move arm(64) barrier.h stuff to tools/arch/arm*/include/asm/barrier.h
We will need it for atomic.h, so move it from the ad-hoc tools/perf/
place to a tools/ subset of the kernel arch/ hierarchy.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-cgfhreaejd7ohitdjccu9k2o@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/arch/arm')
| -rw-r--r-- | tools/arch/arm/include/asm/barrier.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/arch/arm/include/asm/barrier.h b/tools/arch/arm/include/asm/barrier.h new file mode 100644 index 000000000000..005c618a0ab0 --- /dev/null +++ b/tools/arch/arm/include/asm/barrier.h @@ -0,0 +1,12 @@ +#ifndef _TOOLS_LINUX_ASM_ARM_BARRIER_H +#define _TOOLS_LINUX_ASM_ARM_BARRIER_H + +/* + * 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 mb() ((void(*)(void))0xffff0fa0)() +#define wmb() ((void(*)(void))0xffff0fa0)() +#define rmb() ((void(*)(void))0xffff0fa0)() + +#endif /* _TOOLS_LINUX_ASM_ARM_BARRIER_H */ |