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authorAndrew Morton <akpm@osdl.org>2005-12-23 19:54:46 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-12-24 12:13:27 -0800
commit8e31108b9f41069d55cb9b019ac8262c55fd2616 (patch)
tree4d3b74956402b978417ee1026fa18409773cd72e /ipc
parent6003a93e7bf6c02f33c02976ff364785d4273295 (diff)
[PATCH] Fix memory ordering problem in wake_futex()
Fix a memory ordering problem that occurs on IA64. The "store" to q->lock_ptr in wake_futex() can become visible before wake_up_all() clears the lock in the futex_q. Signed-off-by: Jack Steiner <steiner@sgi.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'ipc')
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