diff options
author | Oleg Nesterov <oleg@tv-sign.ru> | 2006-11-08 20:44:38 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-11-08 21:29:22 -0500 |
commit | 75b2bd55bd7724c727856fbdf3ab71d2e4287ac8 (patch) | |
tree | 45bf6e8091f1b932cee4a499f46c9ef17fb9a2d8 /Documentation/memory-barriers.txt | |
parent | d654c673d6394bc26e159b1057b357371b4ce1dc (diff) |
[PATCH] A minor fix for set_mb() in Documentation/memory-barriers.txt
set_mb() is used by set_current_state() which needs mb(), not wmb(). I
think it would be right to assume that set_mb() implies mb(), all arches
seem to do just this.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation/memory-barriers.txt')
-rw-r--r-- | Documentation/memory-barriers.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 7f790f66ec68..7751704b6db1 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt | |||
@@ -1016,7 +1016,7 @@ There are some more advanced barrier functions: | |||
1016 | 1016 | ||
1017 | (*) set_mb(var, value) | 1017 | (*) set_mb(var, value) |
1018 | 1018 | ||
1019 | This assigns the value to the variable and then inserts at least a write | 1019 | This assigns the value to the variable and then inserts a full memory |
1020 | barrier after it, depending on the function. It isn't guaranteed to | 1020 | barrier after it, depending on the function. It isn't guaranteed to |
1021 | insert anything more than a compiler barrier in a UP compilation. | 1021 | insert anything more than a compiler barrier in a UP compilation. |
1022 | 1022 | ||