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(parent: 6221f22) | patch
KVM: fix crash on irqfd deassign
authorMichael S. Tsirkin <mst@redhat.com>
Thu, 17 Mar 2011 08:53:33 +0000 (10:53 +0200)
committerAvi Kivity <avi@redhat.com>
Wed, 6 Apr 2011 10:15:55 +0000 (13:15 +0300)
commit9e02fb963352c5ad075d80dd3e852fbee9585575
treed88553e3c2bb6affac29b529ce618eed95b8e918tree | snapshot
parent6221f222c0ebf1acdf7abcf927178f40e1a65e2acommit | diff
KVM: fix crash on irqfd deassign

irqfd in kvm used flush_work incorrectly: it assumed that work scheduled
previously can't run after flush_work, but since kvm uses a non-reentrant
workqueue (by means of schedule_work) we need flush_work_sync to get that
guarantee.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: Jean-Philippe Menil <jean-philippe.menil@univ-nantes.fr>
Tested-by: Jean-Philippe Menil <jean-philippe.menil@univ-nantes.fr>
Signed-off-by: Avi Kivity <avi@redhat.com>
virt/kvm/eventfd.c diff | blob | history
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