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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 56108C4320A for ; Fri, 20 Aug 2021 17:37:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A59061101 for ; Fri, 20 Aug 2021 17:37:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235004AbhHTRh5 (ORCPT ); Fri, 20 Aug 2021 13:37:57 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]:3677 "EHLO frasgout.his.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233320AbhHTRhz (ORCPT ); Fri, 20 Aug 2021 13:37:55 -0400 Received: from fraeml741-chm.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4GrphV5lX2z67RS4; Sat, 21 Aug 2021 01:36:10 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml741-chm.china.huawei.com (10.206.15.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Fri, 20 Aug 2021 19:37:15 +0200 Received: from [10.47.93.229] (10.47.93.229) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Fri, 20 Aug 2021 18:37:14 +0100 From: John Garry Subject: arm scsi drivers To: CC: "Martin K . Petersen" , "James E.J. Bottomley" , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Hannes Reinecke , "Christoph Hellwig" , Bart Van Assche , Arnd Bergmann Message-ID: <5a72842f-99db-8787-120b-6d85e7884e2d@huawei.com> Date: Fri, 20 Aug 2021 18:37:13 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.47.93.229] X-ClientProxiedBy: lhreml729-chm.china.huawei.com (10.201.108.80) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Russell, Recently we tried to remove scsi_cmnd.tags struct member [0]. However it now shows that some of the arm SCSI drivers continue to use this [1]. I think any other driver usage of this member had been found and removed. The impression is that the usage of scsi_cmnd.tag in those drivers is quite dubious. Now checking [2], it appears that you may have had some patches for these drivers locally. So is that the case? Is this HW still used with bleeding edge kernels? If so, can we fix up this tag management? [0] https://lore.kernel.org/linux-scsi/6c83bd7f-9fd2-1b43-627f-615467fa55d4@huawei.com/T/#mb47909f38f35837686734369600051b278d124af [1] https://lore.kernel.org/linux-scsi/6c83bd7f-9fd2-1b43-627f-615467fa55d4@huawei.com/T/#md5d786e5753083b2f3e8e761b1c69809f82c7485 [2] https://lore.kernel.org/lkml/20210109174357.GB1551@shell.armlinux.org.uk/ Thanks, John