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| author | Igor Druzhinin <igor.druzhinin@citrix.com> | 2018-11-06 12:16:55 +0000 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2018-11-22 16:43:52 +0100 |
| commit | 6bf7463615752934d7221e5be9820d9da45ab2de (patch) | |
| tree | b873ae115df8c9178f9c0c7c6d4befc1ff90423f /hw/s390x/virtio-ccw-net.c | |
| parent | e4c8f2925d22584b2008aadea5c70e1e05c2a522 (diff) | |
| download | qemu-6bf7463615752934d7221e5be9820d9da45ab2de.zip | |
nvme: call blk_drain in NVMe reset code to avoid lockups
When blk_flush called in NVMe reset path S/C queues are already freed
which means that re-entering AIO handling loop having some IO requests
unfinished will lockup or crash as their SG structures being potentially
reused. Call blk_drain before freeing the queues to avoid this nasty
scenario.
Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/s390x/virtio-ccw-net.c')
0 files changed, 0 insertions, 0 deletions