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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT 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 1B5C3C282C0 for ; Wed, 23 Jan 2019 16:59:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB13D2133D for ; Wed, 23 Jan 2019 16:59:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kroah.com header.i=@kroah.com header.b="XO45dCXM"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="iPGyD5VB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726027AbfAWQ7I (ORCPT ); Wed, 23 Jan 2019 11:59:08 -0500 Received: from new3-smtp.messagingengine.com ([66.111.4.229]:44259 "EHLO new3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725994AbfAWQ7H (ORCPT ); Wed, 23 Jan 2019 11:59:07 -0500 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailnew.nyi.internal (Postfix) with ESMTP id 1A1EC8C14; Wed, 23 Jan 2019 11:59:07 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute6.internal (MEProxy); Wed, 23 Jan 2019 11:59:07 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:content-transfer-encoding:in-reply-to; s=fm2; bh=8 B0o3NDKyiDoNjraQgxJKefblv10kTAOvncWGnGzraw=; b=XO45dCXMWBecN33Ng dS/pW8M/oRE9SdFRYLs4EngLompD/ieYIajt5FxL41PEY2l5PufQtrT3sMAIDHWb CDVZP0UeFxndHYc8euBiMWKKi0swORhF6JHGax85ws+8Y8aKJJNSo3Z/RHU0TzmJ O5yLS3/UW2NyTAbo2F5e075N+MhfMzbiIv8FaU6tOgQ83q1onxf7khYTJCwZEEPv YGpuKP8ejK1seVDeG08+hh0INfsiJDjVYZKEdYWc8y5ZyEC3o8Cw4jxU0mJLk1Em HpVCyyyW5rVcaBPszIf3k9FbgqbklzwfiRj8dLRM9amFV2n142FTlxwlEyvxXk/S DWnqA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=8B0o3NDKyiDoNjraQgxJKefblv10kTAOvncWGnGzr aw=; b=iPGyD5VBFQwaqanklxuKyCun/mm1Z7QSCx5FFJsYvh7WiqQdimQbFELJL wjALiOJUYPd55ub12hN66ZHxU3os5uZE5NOWcQhA4kwMSO7P93ecxAsNl0vfPgCN J9ZuVOpNdrZSLRF4fNKSXQ6332XeJkspyHSW+CozPiXn0DdCLjNlbz7fvGW8JJeL Np3n/PFhB/JbOhjTuRhsGhrBS9/zbjrhyyMfN1mDlp1d/5wgryUQTZDezctEBzbb iw70VxWeyIi1Wj+ODF4mUPed68leXDsNzRbMx+vwmlJvBck+oxdt9DTpOzBLcuMe IWjY7nBqBFF69rh4tN/83S21ZnObA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedtledriedtgdeliecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfhuthenuceurghilhhouhhtmecufedt tdenucgoufhprghmkfhpucdlfedttddmnecujfgurhepfffhvffukfhfgggtugfgjggfse htkeertddtredunecuhfhrohhmpefirhgvghcumffjuceoghhrvghgsehkrhhorghhrdgt ohhmqeenucfkphepkeefrdekiedrkeelrddutdejnecurfgrrhgrmhepmhgrihhlfhhroh hmpehgrhgvgheskhhrohgrhhdrtghomhenucevlhhushhtvghrufhiiigvpedt X-ME-Proxy: Received: from localhost (5356596b.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) by mail.messagingengine.com (Postfix) with ESMTPA id BB363E4744; Wed, 23 Jan 2019 11:59:05 -0500 (EST) Date: Wed, 23 Jan 2019 17:59:03 +0100 From: Greg KH To: Stephan =?iso-8859-1?Q?G=FCnther?= Cc: stable@vger.kernel.org Subject: Re: scsi: mpt3sas: fix memory ordering on 64bit writes Message-ID: <20190123165903.GA30381@kroah.com> References: <64315149f996e6860ac35acaa5a7d905@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <64315149f996e6860ac35acaa5a7d905@localhost> User-Agent: Mutt/1.11.2 (2019-01-07) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Wed, Jan 23, 2019 at 02:25:00PM +0100, Stephan Günther wrote: > Request to include the following patch into stable for linux-4.19 and > linux-4.20: > > scsi: mpt3sas: fix memory ordering on 64bit writes > commit: 23c3828aa2f8 > > > Commit 09c2f95ad404 introduced a bug apparent on powerpc64 systems > causing SAS HBAs relying on mpt3sas to drop from the PCIe bus under > load, rendering those devices virtually useless. > > As linux-4.19 is a longterm kernel, the bug would affect those systems > for a long time otherwise. > Looks like it is now queued up. greg k-h