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| author | Nick Piggin <npiggin@suse.de> | 2007-10-13 05:06:55 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-13 05:41:21 +0400 |
| commit | 4071c718555d955a35e9651f77086096ad87d498 (patch) | |
| tree | 5189a9995143892a8ef7ecfc04c11c1d546bc21b /include/asm-x86/parport_64.h | |
| parent | df1bdc0667eb3132fe60b3562347ca9133694ee0 (diff) | |
| download | linux-4071c718555d955a35e9651f77086096ad87d498.tar.xz | |
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>
Diffstat (limited to 'include/asm-x86/parport_64.h')
0 files changed, 0 insertions, 0 deletions