vhost: Remove custom vhost rcu usage
Now, vq->private_data is always accessed under vq mutex. No need to play
the vhost rcu trick.
Signed-off-by: Asias He <asias@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index a73ea21..339eae8 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -13,7 +13,6 @@
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
-#include <linux/rcupdate.h>
#include <linux/file.h>
#include <linux/slab.h>
@@ -200,9 +199,8 @@
priv = test ? n : NULL;
/* start polling new socket */
- oldpriv = rcu_dereference_protected(vq->private_data,
- lockdep_is_held(&vq->mutex));
- rcu_assign_pointer(vq->private_data, priv);
+ oldpriv = vq->private_data;
+ vq->private_data = priv;
r = vhost_init_used(&n->vqs[index]);