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authorMichael S. Tsirkin <mst@redhat.com>2021-10-13 06:55:44 -0400
committerMichael S. Tsirkin <mst@redhat.com>2022-01-14 18:50:52 -0500
commitd9679d0013a66849f23057978f92e76b255c50aa (patch)
tree82edbfe8a2775e5cb7cbb5b560dd189067cc3db3 /drivers/virtio
parentc9e6606c7fe92b50a02ce51dda82586ebdf99b48 (diff)
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.c6
-rw-r--r--drivers/virtio/virtio_balloon.c2
-rw-r--r--drivers/virtio/virtio_input.c2
-rw-r--r--drivers/virtio/virtio_mem.c2
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);