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