| commit | 4071c718555d955a35e9651f77086096ad87d498 | |
| author | Nick Piggin <npiggin@suse.de> | |
| Sat, 13 Oct 2007 01:06:55 +0000 (13 03:06 +0200) | ||
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | |
| Sat, 13 Oct 2007 01:41:21 +0000 (12 18:41 -0700) | ||
| tree | 5189a9995143892a8ef7ecfc04c11c1d546bc21b | treesnapshot (tar.gz zip) |
| parent | df1bdc0667eb3132fe60b3562347ca9133694ee0 | commitdiff |
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>
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>
| include/asm-x86/system_32.h | diffblobblamehistory | |
| include/asm-x86/system_64.h | diffblobblamehistory |