tree d88553e3c2bb6affac29b529ce618eed95b8e918
parent 6221f222c0ebf1acdf7abcf927178f40e1a65e2a
author Michael S. Tsirkin <mst@redhat.com> 1300352013 +0200
committer Avi Kivity <avi@redhat.com> 1302084955 +0300

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>