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commite07744b43dupstream. Fixes:8bd2f71054("virtio_ring: introduce dma sync api for virtqueue") also add dma sync api for virtio test. Signed-off-by: Liming Wu <liming.wu@jaguarmicro.com> Message-Id: <20231008031734.1095-1-liming.wu@jaguarmicro.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>