diff options
| author |   Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2007-10-16 23:26:05 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 08:42:46 -0700 |
| commit | 3806204ca9017a2cf2d849430f26e2b62666f5b2 (patch) | |
| tree | e695a56680e296be0e848550fa374af85276c9e7 /arch/x86/kernel/mce_64.c | |
| parent | Immunize rcu_dereference() against crazy compiler writers (diff) | |
| download | linux-dev-3806204ca9017a2cf2d849430f26e2b62666f5b2.tar.xz linux-dev-3806204ca9017a2cf2d849430f26e2b62666f5b2.zip | |
Remove workaround for unimmunized rcu_dereference from mce_log()
Remove the rmb() from mce_log(), since the immunized version of
rcu_dereference() makes it unnecessary.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kernel/mce_64.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/kernel/mce_64.c b/arch/x86/kernel/mce_64.c index a66d607f5b92..97d2b757d6bd 100644 --- a/arch/x86/kernel/mce_64.c +++ b/arch/x86/kernel/mce_64.c @@ -76,9 +76,6 @@ 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. */ |