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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 4DE55C282C0 for ; Fri, 25 Jan 2019 05:54:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 23653218D9 for ; Fri, 25 Jan 2019 05:54:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726562AbfAYFy1 (ORCPT ); Fri, 25 Jan 2019 00:54:27 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:38054 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726097AbfAYFy1 (ORCPT ); Fri, 25 Jan 2019 00:54:27 -0500 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::bf5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 3559B14398920; Thu, 24 Jan 2019 21:54:27 -0800 (PST) Date: Thu, 24 Jan 2019 21:54:26 -0800 (PST) Message-Id: <20190124.215426.667560836298741280.davem@davemloft.net> To: tariqt@mellanox.com Cc: netdev@vger.kernel.org, eranbe@mellanox.com, edumazet@google.com Subject: Re: [PATCH net-next] net/mlx4_core: A write memory barrier is sufficient in EQ ci update From: David Miller In-Reply-To: <1548163550-16750-1-git-send-email-tariqt@mellanox.com> References: <1548163550-16750-1-git-send-email-tariqt@mellanox.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Thu, 24 Jan 2019 21:54:27 -0800 (PST) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Tariq Toukan Date: Tue, 22 Jan 2019 15:25:50 +0200 > Soften the memory barrier call of mb() by a sufficient wmb() in the > consumer index update of the event queues. > > Suggested-by: Eric Dumazet > Signed-off-by: Tariq Toukan Applied, thank you.