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author | Eric Dumazet <edumazet@google.com> | 2017-01-13 17:39:24 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-01-16 17:44:10 +0100 |
commit | 8cf699ec849f4ca1413cea01289bd7d37dbcc626 (patch) | |
tree | ad2b0afac883e5613962f92d571d0365111e1f14 /drivers | |
parent | Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/... (diff) | |
download | linux-8cf699ec849f4ca1413cea01289bd7d37dbcc626.tar.xz linux-8cf699ec849f4ca1413cea01289bd7d37dbcc626.zip |
mlx4: do not call napi_schedule() without care
Disable BH around the call to napi_schedule() to avoid following warning
[ 52.095499] NOHZ: local_softirq_pending 08
[ 52.421291] NOHZ: local_softirq_pending 08
[ 52.608313] NOHZ: local_softirq_pending 08
Fixes: 8d59de8f7bb3 ("net/mlx4_en: Process all completions in RX rings after port goes up")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Erez Shitrit <erezsh@mellanox.com>
Cc: Eugenia Emantayev <eugenia@mellanox.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 4910d9af1933..761f8b12399c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1748,8 +1748,11 @@ int mlx4_en_start_port(struct net_device *dev) /* Process all completions if exist to prevent * the queues freezing if they are full */ - for (i = 0; i < priv->rx_ring_num; i++) + for (i = 0; i < priv->rx_ring_num; i++) { + local_bh_disable(); napi_schedule(&priv->rx_cq[i]->napi); + local_bh_enable(); + } netif_tx_start_all_queues(dev); netif_device_attach(dev); |