net: mvneta: move header prefetch in mvneta_swbm_rx_frame (fa383f6b) · Commits · 戴 / test

Move data buffer prefetch in mvneta_swbm_rx_frame after dma_sync_single_range_for_cpu Signed-off-by:

drivers/net/ethernet/marvell/mvneta.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -2025,6 +2025,9 @@ mvneta_swbm_rx_frame(struct mvneta_port *pp,
		rx_desc->buf_phys_addr,
		len, dma_dir);

		/* Prefetch header */
		prefetch(data);

		xdp->data_hard_start = data;
		xdp->data = data + MVNETA_SKB_HEADROOM + MVNETA_MH_SIZE;
		xdp->data_end = xdp->data + data_len;
		@@ -2122,14 +2125,10 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
		while (rx_proc < budget && rx_proc < rx_todo) {
		struct mvneta_rx_desc *rx_desc = mvneta_rxq_next_desc_get(rxq);
		u32 rx_status, index;
		unsigned char *data;
		struct page *page;

		index = rx_desc - rxq->descs;
		page = (struct page *)rxq->buf_virt_addr[index];
		data = page_address(page);
		/* Prefetch header */
		prefetch(data);

		rx_status = rx_desc->status;
		rx_proc++;