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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, T_DKIMWL_WL_HIGH,UNPARSEABLE_RELAY 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 2DC2CECDFB8 for ; Fri, 20 Jul 2018 02:05:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D9C2D20661 for ; Fri, 20 Jul 2018 02:05:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="qqdwk73F" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D9C2D20661 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731031AbeGTCv1 (ORCPT ); Thu, 19 Jul 2018 22:51:27 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:59468 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730889AbeGTCv0 (ORCPT ); Thu, 19 Jul 2018 22:51:26 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w6K25CfG162714; Fri, 20 Jul 2018 02:05:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2018-07-02; bh=GGcAQfBrx++bAt1ChCKMwz6qJDWZ+FQ5/6ny5UtsR98=; b=qqdwk73FQskmSLIz3W8GRQnyTaEmk46snF8Rv9Xt8ZvVtH3kKZ38kPql2bposqosKN2y mo8v+NMLKkTjj263HwBAEh69hsNeQmmjzcIJcMwhbbg724ShiCPPkcRgKC62U0i1AE62 ti7TguUlFN3f9JkjlCC28S6euQXODOLjNMvuG+wDNi+AfH8LbkjTAVbGCqjuj0ugkYeO RAOuzSlw17xsjlMJNG+Klpvltq+TryBa2ZKYDUoKH8SPugshFHlpTbealwvweNBS6vTB vqV8z1m/W2es25C9bA/f7p8A/fZoo4nXB2OH1IW1oS5ma/kogtXsTR0zo8tzRuTp+P5t lQ== Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp2130.oracle.com with ESMTP id 2k9ykc9ecx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 20 Jul 2018 02:05:26 +0000 Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id w6K25QO7018795 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 20 Jul 2018 02:05:26 GMT Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w6K25Q0Z023008; Fri, 20 Jul 2018 02:05:26 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 20 Jul 2018 02:05:21 +0000 To: John Garry Cc: , , , , Subject: Re: [PATCH 0/9] hisi_sas: Some misc patches From: "Martin K. Petersen" Organization: Oracle Corporation References: <1531923273-193768-1-git-send-email-john.garry@huawei.com> Date: Thu, 19 Jul 2018 22:05:10 -0400 In-Reply-To: <1531923273-193768-1-git-send-email-john.garry@huawei.com> (John Garry's message of "Wed, 18 Jul 2018 22:14:24 +0800") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8959 signatures=668706 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=487 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1807200022 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org John, > This patchset introduces some misc patches, generally more minor in > importance. > > However there is a patch to add a CPU barrier to the delivery path for > each hw version. We only saw this issue on v3 hw in hip08 chipset, > where the host CPU exhibits a looser memory model than in > predecessors, and software must enforce SMP coherency. Applied to 4.19/scsi-queue, thanks! -- Martin K. Petersen Oracle Linux Engineering