diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-10-21 22:48:04 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-10-30 19:51:31 +0200 |
| commit | ca2b413c39b5cb2412bc236ddf3aa22d96594feb (patch) | |
| tree | a6e5044c7bcb0cc48e96a0ef7f39c7fb6c2a4c09 /hw/s390x/virtio-ccw.c | |
| parent | 019518a80e24af8fcc14689a1fdfde50c5488d2d (diff) | |
virtio: disable ioeventfd as early as possible
Avoid "tricking" virtio-blk-dataplane into thinking that ioeventfd will be
available when it is not. This bug has always been there, but it will break
TCG+ioeventfd=on once the dataplane code will be always used when ioeventfd=on.
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/s390x/virtio-ccw.c')
| -rw-r--r-- | hw/s390x/virtio-ccw.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index ee136ab940..31304fe7f9 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -709,6 +709,10 @@ static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp) sch->cssid, sch->ssid, sch->schid, sch->devno, ccw_dev->bus_id.valid ? "user-configured" : "auto-configured"); + if (!kvm_eventfds_enabled()) { + dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD; + } + if (k->realize) { k->realize(dev, &err); } @@ -1311,10 +1315,6 @@ static void virtio_ccw_device_plugged(DeviceState *d, Error **errp) return; } - if (!kvm_eventfds_enabled()) { - dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD; - } - sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus); |