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| author | Jason Wang <jasowang@redhat.com> | 2019-10-25 10:35:24 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2019-10-25 07:46:22 -0400 |
| commit | 86044b24e865fb9596ed77a4d0f3af8b90a088a1 (patch) | |
| tree | d9a7c2cb6d84eb507cb0450e74b0d820bc0845e8 /hw/char/virtio-serial-bus.c | |
| parent | 522bbb191cec2ac799f4bd662b0fcf6f00dfc2ea (diff) | |
| download | focaccia-qemu-86044b24e865fb9596ed77a4d0f3af8b90a088a1.tar.gz focaccia-qemu-86044b24e865fb9596ed77a4d0f3af8b90a088a1.zip | |
virtio: basic packed virtqueue support
This patch implements basic support for the packed virtqueue. Compare the split virtqueue which has three rings, packed virtqueue only have one which is supposed to have better cache utilization and more hardware friendly. Please refer virtio specification for more information. Signed-off-by: Wei Xu <wexu@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Message-Id: <20191025083527.30803-6-eperezma@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/char/virtio-serial-bus.c')
| -rw-r--r-- | hw/char/virtio-serial-bus.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c index 4e0ed829ae..33259042a9 100644 --- a/hw/char/virtio-serial-bus.c +++ b/hw/char/virtio-serial-bus.c @@ -708,7 +708,7 @@ static void virtio_serial_save_device(VirtIODevice *vdev, QEMUFile *f) if (elem_popped) { qemu_put_be32s(f, &port->iov_idx); qemu_put_be64s(f, &port->iov_offset); - qemu_put_virtqueue_element(f, port->elem); + qemu_put_virtqueue_element(vdev, f, port->elem); } } } |