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virtio: Set "start_on_kick" for legacy devices

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Besides virtio 1.0 transitional devices, we should also
set "start_on_kick" flag for legacy devices (virtio 0.9).

Signed-off-by: Xie Yongji <xieyongji@baidu.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <20190626023130.31315-3-xieyongji@baidu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Xie Yongji 2019-06-26 10:31:27 +08:00 committed by Michael S. Tsirkin
parent e57f2c31b6
commit 7abccd088c
2 changed files with 3 additions and 5 deletions
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6
hw/virtio/virtio.c
View File

@ -1212,8 +1212,7 @@ void virtio_reset(void *opaque)
k->reset(vdev);
}
vdev->start_on_kick = (virtio_host_has_feature(vdev, VIRTIO_F_VERSION_1) &&
!virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1));
vdev->start_on_kick = !virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1);
vdev->started = false;
vdev->broken = false;
vdev->guest_features = 0;
@ -2325,8 +2324,7 @@ void virtio_init(VirtIODevice *vdev, const char *name,
g_malloc0(sizeof(*vdev->vector_queues) * nvectors);
}
vdev->start_on_kick = (virtio_host_has_feature(vdev, VIRTIO_F_VERSION_1) &&
!virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1));
vdev->start_on_kick = !virtio_vdev_has_feature(vdev, VIRTIO_F_VERSION_1);
vdev->started = false;
vdev->device_id = device_id;
vdev->status = 0;

2
include/hw/virtio/virtio.h
View File

@ -107,7 +107,7 @@ struct VirtIODevice
bool broken; /* device in invalid state, needs reset */
bool use_started;
bool started;
bool start_on_kick; /* virtio 1.0 transitional devices support that */
bool start_on_kick; /* when virtio 1.0 feature has not been negotiated */
VMChangeStateEntry *vmstate;
char *bus_name;
uint8_t device_endian;