| commit | 4071c718555d955a35e9651f77086096ad87d498 | [log] [tgz] |
|---|---|---|
| author | Nick Piggin <npiggin@suse.de> | Sat Oct 13 03:06:55 2007 +0200 |
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | Fri Oct 12 18:41:21 2007 -0700 |
| tree | 5189a9995143892a8ef7ecfc04c11c1d546bc21b | |
| parent | df1bdc0667eb3132fe60b3562347ca9133694ee0 [diff] |
x86: fix IO write barrier wmb() on x86 must always include a barrier, because stores can go out of order in many cases when dealing with devices (eg. WC memory). Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>