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| author | Tariq Toukan <tariqt@mellanox.com> | 2020-08-26 15:54:16 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-26 15:55:53 -0700 |
| commit | f468f21b7af0fa472ff8ff70f10b9b4995ef7eb3 (patch) | |
| tree | 28a881ee0878c42efa3e4eb0aa55b75000c2f6d2 /drivers/net/ethernet/intel/ice/ice_txrx.c | |
| parent | 04e006b483c8bcab9033c9610cff9cef5e730758 (diff) | |
| download | linux-f468f21b7af0fa472ff8ff70f10b9b4995ef7eb3.tar.gz linux-f468f21b7af0fa472ff8ff70f10b9b4995ef7eb3.tar.bz2 linux-f468f21b7af0fa472ff8ff70f10b9b4995ef7eb3.zip | |
net: Take common prefetch code structure into a function
Many device drivers use the same prefetch code structure to
deal with small L1 cacheline size.
Take this code into a function and call it from the drivers.
Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_txrx.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index 9d0d6b0025cf..d2fca4a52f51 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -919,10 +919,7 @@ ice_build_skb(struct ice_ring *rx_ring, struct ice_rx_buf *rx_buf, * likely have a consumer accessing first few bytes of meta * data, and then actual data. */ - prefetch(xdp->data_meta); -#if L1_CACHE_BYTES < 128 - prefetch((void *)(xdp->data + L1_CACHE_BYTES)); -#endif + net_prefetch(xdp->data_meta); /* build an skb around the page buffer */ skb = build_skb(xdp->data_hard_start, truesize); if (unlikely(!skb)) @@ -964,10 +961,7 @@ ice_construct_skb(struct ice_ring *rx_ring, struct ice_rx_buf *rx_buf, struct sk_buff *skb; /* prefetch first cache line of first page */ - prefetch(xdp->data); -#if L1_CACHE_BYTES < 128 - prefetch((void *)(xdp->data + L1_CACHE_BYTES)); -#endif /* L1_CACHE_BYTES */ + net_prefetch(xdp->data); /* allocate a skb to store the frags */ skb = __napi_alloc_skb(&rx_ring->q_vector->napi, ICE_RX_HDR_SIZE, |