diff options
| author | Alexander Duyck <alexander.h.duyck@redhat.com> | 2015-04-09 03:49:29 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-04-09 20:25:25 +0200 |
| commit | 019be1cff44bdfed23163be7469419be4f38589b (patch) | |
| tree | b3bd8de7a7ee2e34c1055790d41c4c284d3b1935 /drivers/net/ethernet/chelsio/cxgb4/sge.c | |
| parent | vxlan: do not exit on error in vxlan_stop() (diff) | |
| download | linux-019be1cff44bdfed23163be7469419be4f38589b.tar.xz linux-019be1cff44bdfed23163be7469419be4f38589b.zip | |
cxgb3/4/4vf: Update drivers to use dma_rmb/wmb where appropriate
Update the Chelsio Ethernet drivers to use the dma_rmb/wmb calls instead of
the full barriers in order to improve performance.
Cc: Santosh Raspatur <santosh@chelsio.com>
Cc: Hariprasad S <hariprasad@chelsio.com>
Cc: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/sge.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/sge.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index c438f3895c40..e622214e2eca 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -1968,7 +1968,7 @@ static int process_responses(struct sge_rspq *q, int budget) if (!is_new_response(rc, q)) break; - rmb(); + dma_rmb(); rsp_type = RSPD_TYPE(rc->type_gen); if (likely(rsp_type == RSP_TYPE_FLBUF)) { struct page_frag *fp; @@ -2160,7 +2160,7 @@ static unsigned int process_intrq(struct adapter *adap) if (!is_new_response(rc, q)) break; - rmb(); + dma_rmb(); if (RSPD_TYPE(rc->type_gen) == RSP_TYPE_INTR) { unsigned int qid = ntohl(rc->pldbuflen_qid); |