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3d3337de89
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>
19 lines
502 B
C
19 lines
502 B
C
/*
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* Copied from the kernel sources to tools/:
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2001 - 2012 Tensilica Inc.
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*/
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#ifndef _TOOLS_LINUX_XTENSA_SYSTEM_H
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#define _TOOLS_LINUX_XTENSA_SYSTEM_H
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#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
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#define rmb() barrier()
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#define wmb() mb()
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#endif /* _TOOLS_LINUX_XTENSA_SYSTEM_H */
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