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=ham 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 066F7C43381 for ; Tue, 12 Mar 2019 17:27:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C3B9B206DF for ; Tue, 12 Mar 2019 17:27:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552411645; bh=OWci8NHITgN+Qcxm9jxB+suFfiiK0yNqK98Fy8yYY3c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=TfgBvicgrZjuSnII+g79EK+3PpggzpeOstAsA5r1COJaxTS4pKByTyJrbYKHSCQkW lZLYL4TQmisWb0CIHc/z8G/OXQHkHxA01iyGSfqxfCc536YgYs+O//JHrdqplUVeQS rH/ZdoyTkwZaMygMjvkFfJt2bv29kPFVtph65oa4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729790AbfCLR1Y (ORCPT ); Tue, 12 Mar 2019 13:27:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:33722 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729685AbfCLRRi (ORCPT ); Tue, 12 Mar 2019 13:17:38 -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 889012183F; Tue, 12 Mar 2019 17:17:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552411057; bh=OWci8NHITgN+Qcxm9jxB+suFfiiK0yNqK98Fy8yYY3c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kRslTnL4E71urBA9IWSPki0m99lyZEoEJEArW76xJlGF9H2Z/Odfijjt7WHUpQu0+ jjmN63BsrUNKnhfXm3WrYd19r/d9/H+1abxrBvd1SD8zm3sgowxBHrXhOWuV52eN2D 3SMb+gAiMCS/B5AE2ANjGhhS0ui6Xlh12BKeZKjs= 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 4.9 26/96] tun: remove unnecessary memory barrier Date: Tue, 12 Mar 2019 10:09:44 -0700 Message-Id: <20190312171036.478222773@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190312171034.530434962@linuxfoundation.org> References: <20190312171034.530434962@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 4.9-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 @@ -1489,7 +1489,7 @@ 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: