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proc
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thread-self
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root
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lib
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modules
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4.4.0-1128-aws
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build
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arch
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arc
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include
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asm
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Filename :
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