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[MIPS] SMTC: Microoptimize atomic_postincrement for non-weak consistency.
author
Ralf Baechle
<ralf@linux-mips.org>
Thu, 11 Oct 2007 22:45:58 +0000
(23:45 +0100)
committer
Ralf Baechle
<ralf@linux-mips.org>
Thu, 11 Oct 2007 22:45:58 +0000
(23:45 +0100)
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/kernel/smtc.c
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diff --git
a/arch/mips/kernel/smtc.c
b/arch/mips/kernel/smtc.c
index
fe22387
..
137183b
100644
(file)
--- a/
arch/mips/kernel/smtc.c
+++ b/
arch/mips/kernel/smtc.c
@@
-713,7
+713,7
@@
static __inline__ int atomic_postincrement(unsigned int *pv)
" addu %1, %0, 1 \n"
" sc %1, %2 \n"
" beqz %1, 1b \n"
- " sync \n"
+ __WEAK_LLSC_MB
: "=&r" (result), "=&r" (temp), "=m" (*pv)
: "m" (*pv)
: "memory");