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tools: Adopt asm-generic/barrier.h

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From the kernel's include/asm-generic/barrier.h, will be used by the
sh barrier.h implementation.

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-emjznw0rjsmfyx2wfixss1gv@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2015-05-07 17:04:06 -03:00
parent 5ac69737dc
commit c6e39db1d0
2 changed files with 45 additions and 0 deletions
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44
tools/include/asm-generic/barrier.h Normal file
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@ -0,0 +1,44 @@
/*
* Copied from the kernel sources to tools/perf/:
*
* Generic barrier definitions, originally based on MN10300 definitions.
*
* It should be possible to use these on really simple architectures,
* but it serves more as a starting point for new ports.
*
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef __TOOLS_LINUX_ASM_GENERIC_BARRIER_H
#define __TOOLS_LINUX_ASM_GENERIC_BARRIER_H
#ifndef __ASSEMBLY__
#include <linux/compiler.h>
/*
* Force strict CPU ordering. And yes, this is required on UP too when we're
* talking to devices.
*
* Fall back to compiler barriers if nothing better is provided.
*/
#ifndef mb
#define mb() barrier()
#endif
#ifndef rmb
#define rmb() mb()
#endif
#ifndef wmb
#define wmb() mb()
#endif
#endif /* !__ASSEMBLY__ */
#endif /* __TOOLS_LINUX_ASM_GENERIC_BARRIER_H */

1
tools/perf/MANIFEST
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@ -11,6 +11,7 @@ tools/lib/symbol/kallsyms.h
tools/lib/util/find_next_bit.c
tools/include/asm/barrier.h
tools/include/asm/bug.h
tools/include/asm-generic/barrier.h
tools/include/asm-generic/bitops/arch_hweight.h
tools/include/asm-generic/bitops/atomic.h
tools/include/asm-generic/bitops/const_hweight.h