Remove the rmb() from mce_log(), since the immunized version of
rcu_dereference() makes it unnecessary.
Signed-off-by: Paul E. McKenney <[EMAIL PROTECTED]>
---
mce.c | 3 ---
1 file changed, 3 deletions(-)
diff -urpNa -X dontdiff linux-2.6.22-volrcud/arch/x86_64/kernel/mce.c
linux-2.6.22-volrcud-mcefix/arch/x86_64/kernel/mce.c
--- linux-2.6.22-volrcud/arch/x86_64/kernel/mce.c 2007-07-08
16:32:17.000000000 -0700
+++ linux-2.6.22-volrcud-mcefix/arch/x86_64/kernel/mce.c 2007-07-11
17:22:06.000000000 -0700
@@ -67,9 +67,6 @@ void mce_log(struct mce *mce)
wmb();
for (;;) {
entry = rcu_dereference(mcelog.next);
- /* The rmb forces the compiler to reload next in each
- iteration */
- rmb();
for (;;) {
/* When the buffer fills up discard new entries. Assume
that the earlier errors are the more interesting. */
-
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