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Received: from MN2PR12MB4192.namprd12.prod.outlook.com (2603:10b6:208:1d5::15) by DM6PR12MB4403.namprd12.prod.outlook.com (2603:10b6:5:2ab::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5314.12; Tue, 7 Jun 2022 11:58:22 +0000 Received: from MN2PR12MB4192.namprd12.prod.outlook.com ([fe80::2484:51da:d56f:f1a5]) by MN2PR12MB4192.namprd12.prod.outlook.com ([fe80::2484:51da:d56f:f1a5%9]) with mapi id 15.20.5314.019; Tue, 7 Jun 2022 11:58:22 +0000 Date: Tue, 7 Jun 2022 08:58:20 -0300 From: Jason Gunthorpe To: Baolu Lu Cc: Nicolin Chen , joro@8bytes.org, will@kernel.org, marcan@marcan.st, sven@svenpeter.dev, robin.murphy@arm.com, robdclark@gmail.com, m.szyprowski@samsung.com, krzysztof.kozlowski@linaro.org, agross@kernel.org, bjorn.andersson@linaro.org, matthias.bgg@gmail.com, heiko@sntech.de, orsonzhai@gmail.com, baolin.wang7@gmail.com, zhang.lyra@gmail.com, wens@csie.org, jernej.skrabec@gmail.com, samuel@sholland.org, jean-philippe@linaro.org, alex.williamson@redhat.com, suravee.suthikulpanit@amd.com, alyssa@rosenzweig.io, alim.akhtar@samsung.com, dwmw2@infradead.org, yong.wu@mediatek.com, mjrosato@linux.ibm.com, gerald.schaefer@linux.ibm.com, thierry.reding@gmail.com, vdumpa@nvidia.com, jonathanh@nvidia.com, cohuck@redhat.com, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-s390@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org Subject: Re: [PATCH 0/5] Simplify vfio_iommu_type1 attach/detach routine Message-ID: <20220607115820.GH1343366@nvidia.com> References: <20220606061927.26049-1-nicolinc@nvidia.com> Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: MN2PR13CA0035.namprd13.prod.outlook.com (2603:10b6:208:160::48) To MN2PR12MB4192.namprd12.prod.outlook.com (2603:10b6:208:1d5::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8cc5a917-b8c4-446d-7322-08da487d04fa X-MS-TrafficTypeDiagnostic: DM6PR12MB4403:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Tue, Jun 07, 2022 at 03:44:43PM +0800, Baolu Lu wrote: > On 2022/6/6 14:19, Nicolin Chen wrote: > > Worths mentioning the exact match for enforce_cache_coherency is removed > > with this series, since there's very less value in doing that since KVM > > won't be able to take advantage of it -- this just wastes domain memory. > > Instead, we rely on Intel IOMMU driver taking care of that internally. > > After reading this series, I don't see that Intel IOMMU driver needs any > further change to support the new scheme. Did I miss anything? You already did it :) Jason _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek