linux-kernel - [PATCH] tun: remove unnecessary memory barrier

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Date:   Mon, 25 Feb 2019 21:13:13 +0100
From:   Timur Celik <mail@...urcelik.de>
To:     David Miller <davem@...emloft.net>
Cc:     eric.dumazet@...il.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] tun: remove unnecessary memory barrier

Replace set_current_state with __set_current_state since no memory
barrier is needed at this point.

Signed-off-by: Timur Celik <mail@...urcelik.de>
---
 drivers/net/tun.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index d291762b9e9d..53f4f37b0ffd 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -2185,7 +2185,7 @@ static void *tun_ring_recv(struct tun_file *tfile, int noblock, int *err)
 		schedule();
 	}
 
-	set_current_state(TASK_RUNNING);
+	__set_current_state(TASK_RUNNING);
 	remove_wait_queue(&tfile->wq.wait, &wait);
 
 out:
-- 
2.20.1