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authorPaul Mundt <lethal@linux-sh.org>2011-05-24 15:32:20 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-05-24 15:32:20 +0900
commit9fb4c7fbbcb1e947567d13b82e429ae47a46e337 (patch)
tree6c5f11f347d0f58565381f92680a7a9cc63c0bd8 /include/linux/seqlock.h
parentdc3e5b6a6e842116ec2436161adf31877f09b6b9 (diff)
parentd762f4383100c2a87b1a3f2d678cd3b5425655b4 (diff)
downloadcachepc-linux-9fb4c7fbbcb1e947567d13b82e429ae47a46e337.tar.gz
cachepc-linux-9fb4c7fbbcb1e947567d13b82e429ae47a46e337.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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;
}