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(parent: 111e95a) | patch
[S390] cio: fix ccwgroup online vs. ungroup race condition
authorPeter Oberparleiter <peter.oberparleiter@de.ibm.com>
Thu, 25 Dec 2008 12:39:04 +0000 (13:39 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 25 Dec 2008 12:39:06 +0000 (13:39 +0100)
commitc619d4223eaa063dd15ce44235b04487235f8cb7
tree3ffc818d3681b467b362f854977a546e12b41d49tree | snapshot
parent111e95a4cae01d6dadbbd1d8ab28dcd10fa5619ccommit | diff
[S390] cio: fix ccwgroup online vs. ungroup race condition

Ensure atomicity of ungroup operation to prevent concurrent ungroup
and online processing which may lead to use-after-release situations.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/cio/ccwgroup.c diff | blob | history
Full containers within linux kernel