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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-08 08:53:26 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-08 16:05:07 -0300 |
| commit | 3d3337de8900a199a7ab304f742a6ad2a973b9f4 (patch) | |
| tree | 4018ba470feef4222a022d24a7b32080b811531b /tools/arch | |
| parent | perf tools: Move arm(64) barrier.h stuff to tools/arch/arm*/include/asm/barrier.h (diff) | |
| download | linux-dev-3d3337de8900a199a7ab304f742a6ad2a973b9f4.tar.xz linux-dev-3d3337de8900a199a7ab304f742a6ad2a973b9f4.zip | |
perf tools: Move xtensa barrier.h stuff to tools/arch/xtensa/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-lp68dspbtjcwbpzd7x5c6zp5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/arch')
| -rw-r--r-- | tools/arch/xtensa/include/asm/barrier.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/arch/xtensa/include/asm/barrier.h b/tools/arch/xtensa/include/asm/barrier.h new file mode 100644 index 000000000000..583800bd7259 --- /dev/null +++ b/tools/arch/xtensa/include/asm/barrier.h @@ -0,0 +1,18 @@ +/* + * Copied from the kernel sources to tools/: + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001 - 2012 Tensilica Inc. + */ + +#ifndef _TOOLS_LINUX_XTENSA_SYSTEM_H +#define _TOOLS_LINUX_XTENSA_SYSTEM_H + +#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); }) +#define rmb() barrier() +#define wmb() mb() + +#endif /* _TOOLS_LINUX_XTENSA_SYSTEM_H */ |