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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 BF4C7C04AB6 for ; Tue, 28 May 2019 13:08:21 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 14EBE208C3 for ; Tue, 28 May 2019 13:08:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 14EBE208C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 45CvKZ2QJqzDqQl for ; Tue, 28 May 2019 23:08:18 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=huawei.com (client-ip=45.249.212.35; helo=huawei.com; envelope-from=thunder.leizhen@huawei.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from huawei.com (szxga07-in.huawei.com [45.249.212.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 45CvH835NvzDqL4 for ; Tue, 28 May 2019 23:06:08 +1000 (AEST) Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 9196F290A5DB12249000; Tue, 28 May 2019 21:06:03 +0800 (CST) Received: from [127.0.0.1] (10.177.23.164) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.439.0; Tue, 28 May 2019 21:05:52 +0800 Subject: Re: [PATCH v7 1/1] iommu: enhance IOMMU dma mode build options To: Joerg Roedel References: <20190520135947.14960-1-thunder.leizhen@huawei.com> <20190520135947.14960-2-thunder.leizhen@huawei.com> <20190527142140.GH8420@8bytes.org> From: "Leizhen (ThunderTown)" Message-ID: <5CED322E.20102@huawei.com> Date: Tue, 28 May 2019 21:05:50 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 MIME-Version: 1.0 In-Reply-To: <20190527142140.GH8420@8bytes.org> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.23.164] X-CFilter-Loop: Reflected X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64 , Sebastian Ott , linux-doc , Hanjun Guo , Heiko Carstens , Paul Mackerras , "H . Peter Anvin" , linux-s390 , Jonathan Corbet , Jean-Philippe Brucker , x86 , Ingo Molnar , Fenghua Yu , Will Deacon , John Garry , linuxppc-dev , Borislav Petkov , Thomas Gleixner , Gerald Schaefer , Tony Luck , David Woodhouse , linux-kernel , iommu , Martin Schwidefsky , Robin Murphy Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 2019/5/27 22:21, Joerg Roedel wrote: > Hi Zhen Lei, > > On Mon, May 20, 2019 at 09:59:47PM +0800, Zhen Lei wrote: >> arch/ia64/kernel/pci-dma.c | 2 +- >> arch/powerpc/platforms/powernv/pci-ioda.c | 3 ++- >> arch/s390/pci/pci_dma.c | 2 +- >> arch/x86/kernel/pci-dma.c | 7 ++--- >> drivers/iommu/Kconfig | 44 ++++++++++++++++++++++++++----- >> drivers/iommu/amd_iommu_init.c | 3 ++- >> drivers/iommu/intel-iommu.c | 2 +- >> drivers/iommu/iommu.c | 3 ++- >> 8 files changed, 48 insertions(+), 18 deletions(-) > > This needs Acks from the arch maintainers of ia64, powerpc, s390 and > x86, at least. > > It is easier for them if you split it up into the Kconfig change and > separete patches per arch and per iommu driver. Then collect the Acks on > the individual patches. OK, thanks. I will do it tomorrow. > > Thanks, > > Joerg > > . > -- Thanks! BestRegards