| commit | 1f5bd3848bfc56de4c32ef6971a6a966776204bb | [log] [tgz] |
|---|---|---|
| author | Peter Oberparleiter <peter.oberparleiter@de.ibm.com> | Mon Dec 07 12:51:23 2009 +0100 |
| committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | Mon Dec 07 12:51:30 2009 +0100 |
| tree | 0554af8ced7ac924e9f1bbe3c92a4de52767950d | |
| parent | 7c4d964fa4e857d6fb6b63159a898a5c63c173bf [diff] |
[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>