From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA465C43381 for ; Tue, 12 Mar 2019 17:16:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A2954217F5 for ; Tue, 12 Mar 2019 17:16:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552411016; bh=2U0Acx/tVmXNoFfRpGFrOgrq9i1/qogXMqkI6hCeFk8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=PEUTF0F7SSfZ2juW0DHa1bODcpxxt81ZNBfvYbkj3uVhJz260C+esWizQie/T3oMf t6Q4A9ClnZCUaS/WCyC1+3XIX+BMS8r5YsD6PcaTGIft9fJ9txYd8r+5L1iuiyfdTB mr4oz3DE7LC3m2fDNzYvc/fWJJ/yqyGPxQTftVr0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729367AbfCLRQz (ORCPT ); Tue, 12 Mar 2019 13:16:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:57034 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728894AbfCLRPv (ORCPT ); Tue, 12 Mar 2019 13:15:51 -0400 Received: from localhost (unknown [104.133.8.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DE0392087C; Tue, 12 Mar 2019 17:15:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552410951; bh=2U0Acx/tVmXNoFfRpGFrOgrq9i1/qogXMqkI6hCeFk8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AmRpF7kAzougjx2/UDQf1kztI9BMs2S86y6zWjHB2i4RUnhJiSN5gbo/h7SOqWaWo dIH9k+8wF3l7exsagUTWPEWWO3klH/B+AXBoZWeWqlo9UcGYlcQvcwMg+THNsN4p7Q swGivCi8oYXrc0qvOm08P8V4V81yb+Uqg1n6v+7w= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Timur Celik , Eric Dumazet , "David S. Miller" Subject: [PATCH 4.14 032/135] tun: remove unnecessary memory barrier Date: Tue, 12 Mar 2019 10:07:59 -0700 Message-Id: <20190312170344.091432513@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190312170341.127810985@linuxfoundation.org> References: <20190312170341.127810985@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Timur Celik [ Upstream commit ecef67cb10db7b83b3b71c61dbb29aa070ab0112 ] Replace set_current_state with __set_current_state since no memory barrier is needed at this point. Signed-off-by: Timur Celik Reviewed-by: Eric Dumazet Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/tun.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1732,7 +1732,7 @@ static struct sk_buff *tun_ring_recv(str schedule(); } - set_current_state(TASK_RUNNING); + __set_current_state(TASK_RUNNING); remove_wait_queue(&tfile->wq.wait, &wait); out: