diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2019-10-19 10:13:25 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-10-21 10:36:07 -0700 |
| commit | fa383f6b77a2ed788266fa8fbfb659aa284d2f58 (patch) | |
| tree | c2489ef3ff2cceb3228872f4af2d3b4fb4a4cac6 /drivers | |
| parent | 0db51da7a8e99f0803ec3a8e25c1a66234a219cb (diff) | |
net: mvneta: move header prefetch in mvneta_swbm_rx_frame
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvneta.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 7ca3cd16d781..64f59baa2a3c 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -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++; |