tools: Adopt asm-generic/barrier.h
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>
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/*
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* Copied from the kernel sources to tools/perf/:
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*
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* Generic barrier definitions, originally based on MN10300 definitions.
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*
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* It should be possible to use these on really simple architectures,
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* but it serves more as a starting point for new ports.
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef __TOOLS_LINUX_ASM_GENERIC_BARRIER_H
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#define __TOOLS_LINUX_ASM_GENERIC_BARRIER_H
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#ifndef __ASSEMBLY__
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#include <linux/compiler.h>
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/*
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* Force strict CPU ordering. And yes, this is required on UP too when we're
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* talking to devices.
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*
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* Fall back to compiler barriers if nothing better is provided.
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*/
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#ifndef mb
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#define mb() barrier()
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#endif
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#ifndef rmb
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#define rmb() mb()
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#endif
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#ifndef wmb
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#define wmb() mb()
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#endif
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#endif /* !__ASSEMBLY__ */
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#endif /* __TOOLS_LINUX_ASM_GENERIC_BARRIER_H */
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@ -11,6 +11,7 @@ tools/lib/symbol/kallsyms.h
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tools/lib/util/find_next_bit.c
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tools/include/asm/barrier.h
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tools/include/asm/bug.h
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tools/include/asm-generic/barrier.h
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tools/include/asm-generic/bitops/arch_hweight.h
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tools/include/asm-generic/bitops/atomic.h
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tools/include/asm-generic/bitops/const_hweight.h
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