tree 0554af8ced7ac924e9f1bbe3c92a4de52767950d
parent 7c4d964fa4e857d6fb6b63159a898a5c63c173bf
author Peter Oberparleiter <peter.oberparleiter@de.ibm.com> 1260186683 +0100
committer Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> 1260186690 +0100

[S390] cio: ensure proper locking during device recognition

Device recognition needs to be started with the ccw device lock
held to prevent race conditions between I/O starting and interrupt
reception.

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