From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752314AbdDLCC3 (ORCPT ); Tue, 11 Apr 2017 22:02:29 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:20390 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751967AbdDLCC2 (ORCPT ); Tue, 11 Apr 2017 22:02:28 -0400 To: John Garry Cc: , , , , , , Subject: Re: [PATCH 0/6] hisi_sas: v2 hw SoC bug workarounds From: "Martin K. Petersen" Organization: Oracle Corporation References: <1491830521-21437-1-git-send-email-john.garry@huawei.com> Date: Tue, 11 Apr 2017 22:02:11 -0400 In-Reply-To: <1491830521-21437-1-git-send-email-john.garry@huawei.com> (John Garry's message of "Mon, 10 Apr 2017 21:21:55 +0800") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org John, > This patchset introduces some v2 hw bug workarounds. Mostly they are > related to SATA devices, but there is also a workaround for a scenario > when internal abort command may timeout. > > The general rule for implementing workarounds was to do it in the hw > layer, as the next hw revision should not include these bugs, so it is > better not pollute the driver main layer with workarounds > > This patchset also includes 2 other patches, one for a possible NULL > pointer deference and another for resetting the controller for fatal > AXI/ECC errors. Applied to 4.12/scsi-queue. -- Martin K. Petersen Oracle Linux Engineering