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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>
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019518a80e
commit
ca2b413c39
2 changed files with 8 additions and 8 deletions
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@ -709,6 +709,10 @@ static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp)
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sch->cssid, sch->ssid, sch->schid, sch->devno,
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ccw_dev->bus_id.valid ? "user-configured" : "auto-configured");
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if (!kvm_eventfds_enabled()) {
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dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD;
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}
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if (k->realize) {
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k->realize(dev, &err);
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}
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@ -1311,10 +1315,6 @@ static void virtio_ccw_device_plugged(DeviceState *d, Error **errp)
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return;
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}
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if (!kvm_eventfds_enabled()) {
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dev->flags &= ~VIRTIO_CCW_FLAG_USE_IOEVENTFD;
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}
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sch->id.cu_model = virtio_bus_get_vdev_id(&dev->bus);
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