diff options
| author |   Alexander Duyck <alexander.h.duyck@redhat.com> | 2015-04-08 18:49:29 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-04-09 14:25:25 -0400 |
| commit | 019be1cff44bdfed23163be7469419be4f38589b (patch) | |
| tree | b3bd8de7a7ee2e34c1055790d41c4c284d3b1935 /drivers/net/ethernet/chelsio/cxgb4vf/sge.c | |
| parent | vxlan: do not exit on error in vxlan_stop() (diff) | |
| download | linux-dev-019be1cff44bdfed23163be7469419be4f38589b.tar.xz linux-dev-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 '')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index 7715982230e5..482f6de6817d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -1751,7 +1751,7 @@ static int process_responses(struct sge_rspq *rspq, int budget) * Figure out what kind of response we've received from the * SGE. */ - rmb(); + dma_rmb(); rsp_type = RSPD_TYPE(rc->type_gen); if (likely(rsp_type == RSP_TYPE_FLBUF)) { struct page_frag *fp; @@ -1935,7 +1935,7 @@ static unsigned int process_intrq(struct adapter *adapter) * error and go on to the next response message. This should * never happen ... */ - rmb(); + dma_rmb(); if (unlikely(RSPD_TYPE(rc->type_gen) != RSP_TYPE_INTR)) { dev_err(adapter->pdev_dev, "Unexpected INTRQ response type %d\n", |