tree 832f5944f20379e33855cb55418b6407c81141a3
parent 0cc110651bed4612074eeb445a23418a5ee34cd0
author Peter Oberparleiter <peter.oberparleiter@de.ibm.com> 1238077460 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1238077458 +0100

[S390] cio: prevent workqueue deadlock

Subchannel reprobing can block the kslowcrw workqueue indefinitely
while waiting for device recognition to finish which is also scheduled
to run on kslowcrw. Prevent this deadlock by moving the waiting
portion of subchannel reprobing to the cio workqueue.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>