linux-kernel - [PATCH net-next v3 13/13] virtio_ring: advertize packed ring layout

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Message-Id: <20181121100330.24846-14-tiwei.bie@intel.com>
Date:   Wed, 21 Nov 2018 18:03:30 +0800
From:   Tiwei Bie <tiwei.bie@...el.com>
To:     mst@...hat.com, jasowang@...hat.com,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        virtio-dev@...ts.oasis-open.org
Cc:     wexu@...hat.com, jfreimann@...hat.com, maxime.coquelin@...hat.com,
        tiwei.bie@...el.com
Subject: [PATCH net-next v3 13/13] virtio_ring: advertize packed ring layout

Advertize the packed ring layout support.

Signed-off-by: Tiwei Bie <tiwei.bie@...el.com>
---
 drivers/virtio/virtio_ring.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 40e4d3798d16..cd7e755484e3 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -2211,6 +2211,8 @@ void vring_transport_features(struct virtio_device *vdev)
 			break;
 		case VIRTIO_F_IOMMU_PLATFORM:
 			break;
+		case VIRTIO_F_RING_PACKED:
+			break;
 		default:
 			/* We don't understand this bit. */
 			__virtio_clear_bit(vdev, i);
-- 
2.14.5