From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751738AbeBBL4K (ORCPT ); Fri, 2 Feb 2018 06:56:10 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:5166 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751632AbeBBL4B (ORCPT ); Fri, 2 Feb 2018 06:56:01 -0500 Subject: Re: [PATCH v3] ACPI / tables: Add IORT to injectable table list To: Yang Shunyong , CC: , , , Joey Zheng , "Wang Dongsheng" , Jiang Yutang References: <1517567138-27283-1-git-send-email-shunyong.yang@hxt-semitech.com> From: Hanjun Guo Message-ID: <68362a1f-cc0c-42f9-97da-bdf379c4f5a1@huawei.com> Date: Fri, 2 Feb 2018 19:54:24 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <1517567138-27283-1-git-send-email-shunyong.yang@hxt-semitech.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.223.23] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018/2/2 18:25, Yang Shunyong wrote: > Loading IORT table from initrd is used to fix firmware IORT defects. I don't think this fix "firmware defects", it just for debug purpose, we will not use that for production purpose, right? I think above line can be removed. > Moreover, it is very useful to debug SMMU node/device probe, MSI > allocation, stream id translation and IORT table from firmware. It > is also very useful to enable SMMU and devices behind SMMU before > firmware is ready. > > This patch adds ACPI_SIG_IORT to the table, which enables IORT > from initrd to override which from firmware. > > Signed-off-by: Yang Shunyong > Cc: Joey Zheng > Cc: Wang Dongsheng > Cc: Jiang Yutang > Cc: Hanjun Guo With that updated, Acked-by: Hanjun Guo Thanks Hanjun