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(parent: 5fc62aa) | patch
PM: Allow wakeup events to abort freezing of tasks
authorRafael J. Wysocki <rjw@sisk.pl>
Mon, 4 Oct 2010 20:07:32 +0000 (22:07 +0200)
committerRafael J. Wysocki <rjw@sisk.pl>
Sat, 16 Oct 2010 23:57:49 +0000 (01:57 +0200)
commitdbeeec5fe868f2e2e92fe94daa2c5a047240fdc4
tree165c04443d737c0e8524e9917a6e4a338c397391tree | snapshot
parent5fc62aad4e7779c2f04691e48b351d08c050c1f1commit | diff
PM: Allow wakeup events to abort freezing of tasks

If there is a wakeup event during the freezing of tasks, suspend or
hibernation will fail anyway.  Since try_to_freeze_tasks() can take
up to 20 seconds to complete or fail, aborting it as soon as a wakeup
event is detected improves the worst case wakeup latency.

Based on a patch from Arve Hjønnevåg.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
include/linux/suspend.h diff | blob | history
kernel/power/process.c diff | blob | history
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