linux-kernel - [PATCH] ethernet:netronome:nfp:move spin_lock_bh to spin

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Message-Id: <20180907162117.47361-1-hangdianqj@163.com>
Date:   Fri,  7 Sep 2018 09:21:17 -0700
From:   jun qian <hangdianqj@....com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Dirk van der Merwe <dirk.vandermerwe@...ronome.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Quentin Monnet <quentin.monnet@...ronome.com>
Cc:     oss-drivers@...ronome.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, jun qian <hangdianqj@....com>
Subject: [PATCH] ethernet:netronome:nfp:move spin_lock_bh to spin_lock in tasklet

As you are already in a tasklet, it is unnecessary to call spin_lock_bh.

Signed-off-by: jun qian <hangdianqj@....com>
---
 drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index a8b9fbab5f73..084c983ec3c2 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -2075,10 +2075,10 @@ static void nfp_ctrl_poll(unsigned long arg)
 {
 	struct nfp_net_r_vector *r_vec = (void *)arg;
 
-	spin_lock_bh(&r_vec->lock);
+	spin_lock(&r_vec->lock);
 	nfp_net_tx_complete(r_vec->tx_ring, 0);
 	__nfp_ctrl_tx_queued(r_vec);
-	spin_unlock_bh(&r_vec->lock);
+	spin_unlock(&r_vec->lock);
 
 	nfp_ctrl_rx(r_vec);
 
-- 
2.17.1