Messages in this thread Patch in this message | | | From | Eugenio Pérez <> | Subject | [PATCH v3 1/8] vhost: Not cleaning batched descs in VHOST_SET_VRING_BASE ioctl | Date | Sat, 18 Apr 2020 12:22:10 +0200 |
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They are cleaned in vhost_vq_set_backend, which can be called with an active backend. To set and remove backends already clean batched descriptors, so to do it here is completely redundant.
Fixes: ("e7539c20a4a6 vhost: batching fetches")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com> --- drivers/vhost/vhost.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 0395229486a9..882d0df57e24 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -1579,7 +1579,6 @@ long vhost_vring_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *arg vq->last_avail_idx = s.num; /* Forget the cached index value. */ vq->avail_idx = vq->last_avail_idx; - vq->ndescs = vq->first_desc = 0; break; case VHOST_GET_VRING_BASE: s.index = idx; -- 2.18.1
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