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net: mvneta: move header prefetch in mvneta_swbm_rx_frame

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Move data buffer prefetch in mvneta_swbm_rx_frame after
dma_sync_single_range_for_cpu

Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lorenzo Bianconi 2019-10-19 10:13:25 +02:00 committed by David S. Miller
parent 0db51da7a8
commit fa383f6b77
1 changed files with 3 additions and 4 deletions
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7
drivers/net/ethernet/marvell/mvneta.c
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@ -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++;