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authorPaul Mundt <lethal@linux-sh.org>2011-05-24 12:05:26 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-05-24 12:05:26 +0900
commit8b1aaeaf54f1bcaa0bbec6bb170db367c998d27c (patch)
tree2478e1708f5a3da261597f4aa1011d4d41c2cc84 /include/linux/seqlock.h
parentsh_mobile: Add MSTP clock for MERAM (diff)
parentMerge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into rmobile-latest
Diffstat (limited to 'include/linux/seqlock.h')
-rw-r--r--include/linux/seqlock.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index e98cd2e57194..06d69648fc86 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -88,12 +88,12 @@ static __always_inline unsigned read_seqbegin(const seqlock_t *sl)
unsigned ret;
repeat:
- ret = sl->sequence;
- smp_rmb();
+ ret = ACCESS_ONCE(sl->sequence);
if (unlikely(ret & 1)) {
cpu_relax();
goto repeat;
}
+ smp_rmb();
return ret;
}