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,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 9F550C4360F for ; Fri, 8 Mar 2019 13:01:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 641EC20449 for ; Fri, 8 Mar 2019 13:01:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552050064; bh=KkyznvAUP5JahSTC0njIH3MvJKMsyDA5XGUom70z5i4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=t/hCSOoh9ZbeL9CUBorkJX1jV0wyz70IHeEJAsCGecFDRz3PwqgareCx62wml8Diq kyrEsR5bx7+YQUBMzHAoaJJAYGI1ZLvnigTKmZBJgq8F8OhyVavRXcH6Auw/ToXfuX uRLHX/B/ydwtfTO82uDRAOj24xENZXHAbau47Ezw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727748AbfCHNBD (ORCPT ); Fri, 8 Mar 2019 08:01:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:38164 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727713AbfCHNA7 (ORCPT ); Fri, 8 Mar 2019 08:00:59 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (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 7435320449; Fri, 8 Mar 2019 13:00:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1552050059; bh=KkyznvAUP5JahSTC0njIH3MvJKMsyDA5XGUom70z5i4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=trBRfJo765RRVvYw3y69pzaWy1bERmhAeVb2QIZNSHzzRbJGYjDwAkWXAaVYhVuTn dPdqEu3/3t4k6ycmFPhzAwUwAQPucBym3JIlvIFkJ6V7n3mardbmtI/NvkbNgg8fOG 3mcply8Ccs8po5vdgl5D20NaUtJsXZVmLtXSkn/A= 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 4.19 41/68] tun: remove unnecessary memory barrier Date: Fri, 8 Mar 2019 13:50:11 +0100 Message-Id: <20190308124912.730840230@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190308124910.696595153@linuxfoundation.org> References: <20190308124910.696595153@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 4.19-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 @@ -2140,7 +2140,7 @@ static void *tun_ring_recv(struct tun_fi schedule(); } - set_current_state(TASK_RUNNING); + __set_current_state(TASK_RUNNING); remove_wait_queue(&tfile->wq.wait, &wait); out: