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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 97477EE3F2F for ; Fri, 15 Sep 2023 06:46:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232359AbjIOGqV (ORCPT ); Fri, 15 Sep 2023 02:46:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232375AbjIOGqU (ORCPT ); Fri, 15 Sep 2023 02:46:20 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1A52268F; Thu, 14 Sep 2023 23:46:14 -0700 (PDT) Received: from kwepemm600005.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Rn4QK1BPZzVkxw; Fri, 15 Sep 2023 14:43:21 +0800 (CST) Received: from [10.67.121.110] (10.67.121.110) by kwepemm600005.china.huawei.com (7.193.23.191) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Fri, 15 Sep 2023 14:46:11 +0800 Subject: Re: [PATCH v15 0/2] add debugfs to migration driver To: , , , CC: , , , References: <20230901023606.47587-1-liulongfang@huawei.com> From: liulongfang Message-ID: <2fe9278c-2480-b718-8958-b52fa5c08eb8@huawei.com> Date: Fri, 15 Sep 2023 14:46:10 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20230901023606.47587-1-liulongfang@huawei.com> Content-Type: text/plain; charset="gbk" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.67.121.110] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To kwepemm600005.china.huawei.com (7.193.23.191) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2023/9/1 10:36, liulongfang wrote: > Add a debugfs function to the migration driver in VFIO to provide > a step-by-step debugfs information for the migration driver. > > Changes v14 -> v15 > Update the output status value of live migration. > > Changes v13 -> v14 > Split the patchset and keep the vfio debugfs frame. > > Changes v12 -> v13 > Solve the problem of open and close competition to debugfs. > > Changes v11 -> v12 > Update loading conditions of vfio debugfs. > > Changes v10 -> v11 > Delete the device restore function in debugfs. > > Changes v9 -> v10 > Update the debugfs file of the live migration driver. > > Changes v8 -> v9 > Update the debugfs directory structure of vfio. > > Changes v7 -> v8 > Add support for platform devices. > > Changes v6 -> v7 > Fix some code style issues. > > Changes v5 -> v6 > Control the creation of debugfs through the CONFIG_DEBUG_FS. > > Changes v4 -> v5 > Remove the newly added vfio_migration_ops and use seq_printf > to optimize the implementation of debugfs. > > Changes v3 -> v4 > Change the migration_debug_operate interface to debug_root file. > > Changes v2 -> v3 > Extend the debugfs function from hisilicon device to vfio. > > Changes v1 -> v2 > Change the registration method of root_debugfs to register > with module initialization. > > Longfang Liu (2): > vfio/migration: Add debugfs to live migration driver > Documentation: add debugfs description for vfio > > Documentation/ABI/testing/debugfs-vfio | 25 ++++++++ > MAINTAINERS | 1 + > drivers/vfio/Makefile | 1 + > drivers/vfio/vfio.h | 14 +++++ > drivers/vfio/vfio_debugfs.c | 80 ++++++++++++++++++++++++++ > drivers/vfio/vfio_main.c | 5 +- > include/linux/vfio.h | 7 +++ > 7 files changed, 132 insertions(+), 1 deletion(-) > create mode 100644 Documentation/ABI/testing/debugfs-vfio > create mode 100644 drivers/vfio/vfio_debugfs.c > Hi, Alex. Is there anything else that needs to be modified in this patchset? Thanks, Longfang.