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Diffstat (limited to 'drivers/misc/mic/vop/vop_main.c')
-rw-r--r--drivers/misc/mic/vop/vop_main.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/misc/mic/vop/vop_main.c b/drivers/misc/mic/vop/vop_main.c
index 3633202e18f4..6b212c8b78e7 100644
--- a/drivers/misc/mic/vop/vop_main.c
+++ b/drivers/misc/mic/vop/vop_main.c
@@ -129,6 +129,16 @@ static u64 vop_get_features(struct virtio_device *vdev)
return features;
}
+static void vop_transport_features(struct virtio_device *vdev)
+{
+ /*
+ * Packed ring isn't enabled on virtio_vop for now,
+ * because virtio_vop uses vring_new_virtqueue() which
+ * creates virtio rings on preallocated memory.
+ */
+ __virtio_clear_bit(vdev, VIRTIO_F_RING_PACKED);
+}
+
static int vop_finalize_features(struct virtio_device *vdev)
{
unsigned int i, bits;
@@ -141,6 +151,9 @@ static int vop_finalize_features(struct virtio_device *vdev)
/* Give virtio_ring a chance to accept features. */
vring_transport_features(vdev);
+ /* Give virtio_vop a chance to accept features. */
+ vop_transport_features(vdev);
+
memset_io(out_features, 0, feature_len);
bits = min_t(unsigned, feature_len,
sizeof(vdev->features)) * 8;
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