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authorTejun Heo <tj@kernel.org>2011-02-14 14:04:46 +0100
committerTejun Heo <tj@kernel.org>2011-02-14 14:04:46 +0100
commit7576958a9d5a4a677ad7dd40901cdbb6c1110c98 (patch)
treedb0b180feebf3a4ca6cd3155764cfc61a6d7f3cf /Documentation/workqueue.txt
parent795abaf1e4e188c4171e3cd3dbb11a9fcacaf505 (diff)
workqueue: wake up a worker when a rescuer is leaving a gcwq
After executing the matching works, a rescuer leaves the gcwq whether there are more pending works or not. This may decrease the concurrency level to zero and stall execution until a new work item is queued on the gcwq. Make rescuer wake up a regular worker when it leaves a gcwq if there are more works to execute, so that execution isn't stalled. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Ray Jui <rjui@broadcom.com> Cc: stable@kernel.org
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