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Revert "virtio: improve virtio devices initialization time" 

This reverts commit 6f0bb23072.

This reverts commit f87d72f5c5 as that is
reported to break cleanup and migration.

Cc: Gal Hammer <ghammer@redhat.com>
Cc: Sitong Liu <siliu@redhat.com>
Cc: Xiaoling Gao <xiagao@redhat.com>
Suggested-by: Greg Kurz <groug@kaod.org>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reported-by: Jose Ricardo Ziviani <joserz@linux.vnet.ibm.com>
Reported-by: Daniel Henrique Barboza <danielhb@linux.vnet.ibm.com>
This commit is contained in:
Michael S. Tsirkin 2018-01-24 19:19:41 +02:00
parent 52483b067c
commit ce3a9eaff4
1 changed files with 0 additions and 5 deletions
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5
hw/virtio/virtio.c
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@ -2574,7 +2574,6 @@ static int virtio_device_start_ioeventfd_impl(VirtIODevice *vdev)
VirtioBusState *qbus = VIRTIO_BUS(qdev_get_parent_bus(DEVICE(vdev)));
int n, r, err;
memory_region_transaction_begin();
for (n = 0; n < VIRTIO_QUEUE_MAX; n++) {
VirtQueue *vq = &vdev->vq[n];
if (!virtio_queue_get_num(vdev, n)) {
@ -2597,7 +2596,6 @@ static int virtio_device_start_ioeventfd_impl(VirtIODevice *vdev)
}
event_notifier_set(&vq->host_notifier);
}
memory_region_transaction_commit();
return 0;
assign_error:
@ -2611,7 +2609,6 @@ assign_error:
r = virtio_bus_set_host_notifier(qbus, n, false);
assert(r >= 0);
}
memory_region_transaction_commit();
return err;
}
@ -2628,7 +2625,6 @@ static void virtio_device_stop_ioeventfd_impl(VirtIODevice *vdev)
VirtioBusState *qbus = VIRTIO_BUS(qdev_get_parent_bus(DEVICE(vdev)));
int n, r;
memory_region_transaction_begin();
for (n = 0; n < VIRTIO_QUEUE_MAX; n++) {
VirtQueue *vq = &vdev->vq[n];
@ -2639,7 +2635,6 @@ static void virtio_device_stop_ioeventfd_impl(VirtIODevice *vdev)
r = virtio_bus_set_host_notifier(qbus, n, false);
assert(r >= 0);
}
memory_region_transaction_commit();
}
void virtio_device_stop_ioeventfd(VirtIODevice *vdev)