Messages in this thread Patch in this message | | | From | Deming Wang <> | Subject | [PATCH] virtio_ring: remove unnecessary to_vvq call in poll_packed | Date | Wed, 22 Jun 2022 04:27:35 -0400 |
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It passes '_vq' to virtqueue_use_indirect(), which still calls to_vvq to get 'vq', let's directly pass 'vq'. It can avoid unnecessary call of to_vvq in virtqueue_poll_packed.
Signed-off-by: Deming Wang <wangdeming@inspur.com> --- drivers/virtio/virtio_ring.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 13a7348cedff..cb6323e0088b 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -1522,9 +1522,8 @@ static unsigned int virtqueue_enable_cb_prepare_packed(struct virtqueue *_vq) VRING_PACKED_EVENT_F_WRAP_CTR); } -static bool virtqueue_poll_packed(struct virtqueue *_vq, u16 off_wrap) +static bool virtqueue_poll_packed(struct vring_virtqueue *vq, u16 off_wrap) { - struct vring_virtqueue *vq = to_vvq(_vq); bool wrap_counter; u16 used_idx; @@ -2054,7 +2053,7 @@ bool virtqueue_poll(struct virtqueue *_vq, unsigned int last_used_idx) return false; virtio_mb(vq->weak_barriers); - return vq->packed_ring ? virtqueue_poll_packed(_vq, last_used_idx) : + return vq->packed_ring ? virtqueue_poll_packed(vq, last_used_idx) : virtqueue_poll_split(_vq, last_used_idx); } EXPORT_SYMBOL_GPL(virtqueue_poll); -- 2.27.0
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