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sh: Add SH-4A optimized fastpath mutex implementation.

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Add fast mutex path implementation for the SH4A architecture

Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Michael Trimarchi
2008-11-25 21:37:14 +09:00
committed by Paul Mundt
parent 5c72f303a2
commit 0c9122323a
2 changed files with 111 additions and 1 deletions
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5
arch/sh/include/asm/mutex.h
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@ -5,5 +5,8 @@
* implementation in place, or pick the atomic_xchg() based generic
* implementation. (see asm-generic/mutex-xchg.h for details)
*/
#if defined(CONFIG_CPU_SH4A)
#include <asm/mutex-llsc.h>
#else
#include <asm-generic/mutex-dec.h>
#endif