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>

1 files changed, 0 insertions, 10 deletions

diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index 79052fd1a695..56edbe16f583 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -70,20 +70,10 @@
 #endif
 
 #ifdef __arm__
-/*
- * 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)()
 #define CPUINFO_PROC    {"model name", "Processor"}
 #endif
 
 #ifdef __aarch64__
-#define mb()            asm volatile("dmb ish" ::: "memory")
-#define wmb()           asm volatile("dmb ishst" ::: "memory")
-#define rmb()           asm volatile("dmb ishld" ::: "memory")
 #define cpu_relax()     asm volatile("yield" ::: "memory")
 #endif