fix refrigerator() vs thaw_process() race

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refrigerator() can miss a wakeup, "wait event" loop needs a proper memory
ordering.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Oleg Nesterov 2007-05-06 14:50:40 -07:00 • committed by Linus Torvalds

parent e87be11434

commit 433ecb4ab3

1 changed files with 4 additions and 2 deletions

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6

kernel/power/process.c

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