Now, vring_map_one_sg() is only called by virtqueue_map_sgs(). And !use_dma_api is check before vring_map_one_sg(), so we not need to check !use_dma_api inside vring_map_one_sg().
Signed-off-by: Xuan Zhuo <[email protected]> --- drivers/virtio/virtio_ring.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index c185354fcac6..eb207da13735 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -364,16 +364,6 @@ static dma_addr_t vring_map_one_sg(const struct vring_virtqueue *vq, struct scatterlist *sg, enum dma_data_direction direction) { - if (!vq->use_dma_api) { - /* - * If DMA is not used, KMSAN doesn't know that the scatterlist - * is initialized by the hardware. Explicitly check/unpoison it - * depending on the direction. - */ - kmsan_handle_dma(sg_page(sg), sg->offset, sg->length, direction); - return (dma_addr_t)sg_phys(sg); - } - /* * We can't use dma_map_sg, because we don't use scatterlists in * the way it expects (we don't guarantee that the scatterlist -- 2.32.0.3.g01195cf9f _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
