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b=Oc4UVyw4ZyaoTGmNofZEkKfVvN1DNbjIGpVqYzZtx72e5jKyc3uIfjhgHbfbBGT4iX3qtNaPf8WT1zKAPnZxMOX6kVClP1OpWTJmn0qeZQEV/EfxJnTeC2a27sl2dcsF16NX2L5P9HZUjdOHwrLKOnxU9GOD9IylO2N8qylq3l4= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from DS7PR12MB6048.namprd12.prod.outlook.com (2603:10b6:8:9f::5) by PH8PR12MB7109.namprd12.prod.outlook.com (2603:10b6:510:22f::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8114.30; Wed, 6 Nov 2024 09:27:32 +0000 Received: from DS7PR12MB6048.namprd12.prod.outlook.com ([fe80::6318:26e5:357a:74a5]) by DS7PR12MB6048.namprd12.prod.outlook.com ([fe80::6318:26e5:357a:74a5%4]) with mapi id 15.20.8137.018; Wed, 6 Nov 2024 09:27:31 +0000 Message-ID: <11bf7ad8-b40a-4e2d-bb1b-92829dfefbcf@amd.com> Date: Wed, 6 Nov 2024 14:57:22 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 6/7] iommu/amd: Make the blocked domain support PASID To: Yi Liu , joro@8bytes.org, jgg@nvidia.com, kevin.tian@intel.com, baolu.lu@linux.intel.com Cc: alex.williamson@redhat.com, eric.auger@redhat.com, nicolinc@nvidia.com, kvm@vger.kernel.org, chao.p.peng@linux.intel.com, iommu@lists.linux.dev, zhenzhong.duan@intel.com, will@kernel.org References: <20241104132033.14027-1-yi.l.liu@intel.com> <20241104132033.14027-7-yi.l.liu@intel.com> Content-Language: en-US From: Vasant Hegde In-Reply-To: <20241104132033.14027-7-yi.l.liu@intel.com> Content-Type: text/plain; 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By this the remove_dev_pasid() op is dropped. > > Remove PASID from old domain and device GCR3 table. No need to attach > PASID to the blocked domain as clearing PASID from GCR3 table will make > sure all DMAs for that PASID are blocked. > > Suggested-by: Jason Gunthorpe > Signed-off-by: Yi Liu Reviewed-by: Vasant Hegde -Vasant