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Repository URL to install this package:
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Version:
4.9.35-1 ▾
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linux-headers-4.9.35-rt25-cloudywizzard
/
usr
/
src
/
linux-headers-4.9.35-rt25-cloudywizzard
/
arch
/
arc
/
include
/
asm
/
mutex.h
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/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* xchg() based mutex fast path maintains a state of 0 or 1, as opposed to
* atomic dec based which can "count" any number of lock contenders.
* This ideally needs to be fixed in core, but for now switching to dec ver.
*/
#if defined(CONFIG_SMP) && (CONFIG_NR_CPUS > 2)
#include <asm-generic/mutex-dec.h>
#else
#include <asm-generic/mutex-xchg.h>
#endif