[S390] cio: ensure proper locking during device recognition

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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>

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Peter Oberparleiter 2009-12-07 12:51:23 +01:00 • committed by Martin Schwidefsky

parent 7c4d964fa4

commit 1f5bd3848b

1 changed files with 2 additions and 0 deletions

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drivers/s390/cio/device.c

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