diff options
author | Michael S. Tsirkin <mst@redhat.com> | 2021-10-13 06:55:44 -0400 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2022-01-14 18:50:52 -0500 |
commit | d9679d0013a66849f23057978f92e76b255c50aa (patch) | |
tree | 82edbfe8a2775e5cb7cbb5b560dd189067cc3db3 /drivers/virtio | |
parent | c9e6606c7fe92b50a02ce51dda82586ebdf99b48 (diff) | |
download | linux-stable-d9679d0013a66849f23057978f92e76b255c50aa.tar.gz linux-stable-d9679d0013a66849f23057978f92e76b255c50aa.tar.bz2 linux-stable-d9679d0013a66849f23057978f92e76b255c50aa.zip |
virtio: wrap config->reset calls
This will enable cleanups down the road.
The idea is to disable cbs, then add "flush_queued_cbs" callback
as a parameter, this way drivers can flush any work
queued after callbacks have been disabled.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20211013105226.20225-1-mst@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio')
-rw-r--r-- | drivers/virtio/virtio.c | 6 | ||||
-rw-r--r-- | drivers/virtio/virtio_balloon.c | 2 | ||||
-rw-r--r-- | drivers/virtio/virtio_input.c | 2 | ||||
-rw-r--r-- | drivers/virtio/virtio_mem.c | 2 |
4 files changed, 9 insertions, 3 deletions
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 236081afe9a2..00ac9db792a4 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -204,6 +204,12 @@ int virtio_finalize_features(struct virtio_device *dev) } EXPORT_SYMBOL_GPL(virtio_finalize_features); +void virtio_reset_device(struct virtio_device *dev) +{ + dev->config->reset(dev); +} +EXPORT_SYMBOL_GPL(virtio_reset_device); + static int virtio_dev_probe(struct device *_d) { int err, i; diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index c22ff0117b46..f4c34a2a6b8e 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -1056,7 +1056,7 @@ static void remove_common(struct virtio_balloon *vb) return_free_pages_to_mm(vb, ULONG_MAX); /* Now we reset the device so we can clean up the queues. */ - vb->vdev->config->reset(vb->vdev); + virtio_reset_device(vb->vdev); vb->vdev->config->del_vqs(vb->vdev); } diff --git a/drivers/virtio/virtio_input.c b/drivers/virtio/virtio_input.c index ce51ae165943..3aa46703872d 100644 --- a/drivers/virtio/virtio_input.c +++ b/drivers/virtio/virtio_input.c @@ -347,7 +347,7 @@ static void virtinput_remove(struct virtio_device *vdev) spin_unlock_irqrestore(&vi->lock, flags); input_unregister_device(vi->idev); - vdev->config->reset(vdev); + virtio_reset_device(vdev); while ((buf = virtqueue_detach_unused_buf(vi->sts)) != NULL) kfree(buf); vdev->config->del_vqs(vdev); diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c index 96e5a8782769..033fb93ed528 100644 --- a/drivers/virtio/virtio_mem.c +++ b/drivers/virtio/virtio_mem.c @@ -2850,7 +2850,7 @@ static void virtio_mem_remove(struct virtio_device *vdev) virtio_mem_deinit_hotplug(vm); /* reset the device and cleanup the queues */ - vdev->config->reset(vdev); + virtio_reset_device(vdev); vdev->config->del_vqs(vdev); kfree(vm); |