From: Baolu Lu <baolu.lu@linux.intel.com>
To: "Tian, Kevin" <kevin.tian@intel.com>,
"Liu, Yi L" <yi.l.liu@intel.com>,
"joro@8bytes.org" <joro@8bytes.org>,
"jgg@nvidia.com" <jgg@nvidia.com>
Cc: baolu.lu@linux.intel.com,
"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"eric.auger@redhat.com" <eric.auger@redhat.com>,
"nicolinc@nvidia.com" <nicolinc@nvidia.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"chao.p.peng@linux.intel.com" <chao.p.peng@linux.intel.com>,
"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
"Duan, Zhenzhong" <zhenzhong.duan@intel.com>,
"vasant.hegde@amd.com" <vasant.hegde@amd.com>,
"will@kernel.org" <will@kernel.org>
Subject: Re: [PATCH v4 11/13] iommu/vt-d: Add set_dev_pasid callback for nested domain
Date: Wed, 6 Nov 2024 16:41:42 +0800 [thread overview]
Message-ID: <778d4e7b-cb4f-48d6-9b5d-de5e18c1a367@linux.intel.com> (raw)
In-Reply-To: <BN9PR11MB5276F52B50577B8963A20BEB8C532@BN9PR11MB5276.namprd11.prod.outlook.com>
On 2024/11/6 16:17, Tian, Kevin wrote:
>> From: Liu, Yi L <yi.l.liu@intel.com>
>> Sent: Monday, November 4, 2024 9:19 PM
>>
>> +
>> + dev_pasid = domain_add_dev_pasid(domain, dev, pasid);
>> + if (IS_ERR(dev_pasid))
>> + return PTR_ERR(dev_pasid);
>> +
>> + ret = domain_setup_nested(iommu, dmar_domain, dev, pasid, old);
>> + if (ret)
>> + goto out_remove_dev_pasid;
>> +
>> + domain_remove_dev_pasid(old, dev, pasid);
>> +
>
> forgot one thing. Why not required to create a debugfs entry for
> nested dev_pasid?
This debugfs node is only created for paging domain.
next prev parent reply other threads:[~2024-11-06 8:41 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-04 13:18 [PATCH v4 00/13] Make set_dev_pasid op supporting domain replacement Yi Liu
2024-11-04 13:18 ` [PATCH v4 01/13] iommu: Pass old domain to set_dev_pasid op Yi Liu
2024-11-06 8:48 ` Vasant Hegde
2024-11-04 13:18 ` [PATCH v4 02/13] iommu/vt-d: Add a helper to flush cache for updating present pasid entry Yi Liu
2024-11-05 1:50 ` Baolu Lu
2024-11-06 7:11 ` Tian, Kevin
2024-11-06 8:45 ` Yi Liu
2024-11-06 9:40 ` Tian, Kevin
2024-11-06 9:56 ` Yi Liu
2024-11-06 10:01 ` Tian, Kevin
2024-11-06 10:22 ` Yi Liu
2024-11-04 13:18 ` [PATCH v4 03/13] iommu/vt-d: Refactor the pasid setup helpers Yi Liu
2024-11-05 1:52 ` Baolu Lu
2024-11-06 7:14 ` Tian, Kevin
2024-11-06 9:22 ` Yi Liu
2024-11-06 9:48 ` Tian, Kevin
2024-11-04 13:18 ` [PATCH v4 04/13] iommu/vt-d: Add pasid replace helpers Yi Liu
2024-11-05 2:06 ` Baolu Lu
2024-11-05 5:11 ` Yi Liu
2024-11-06 7:31 ` Tian, Kevin
2024-11-06 9:31 ` Yi Liu
2024-11-06 9:51 ` Tian, Kevin
2024-11-06 10:02 ` Yi Liu
2024-11-06 10:05 ` Tian, Kevin
2024-11-06 10:27 ` Yi Liu
2024-11-06 10:43 ` Baolu Lu
2024-11-04 13:18 ` [PATCH v4 05/13] iommu/vt-d: Prepare intel_iommu_set_dev_pasid() handle replacement Yi Liu
2024-11-05 2:49 ` Baolu Lu
2024-11-05 5:23 ` Yi Liu
2024-11-06 7:33 ` Tian, Kevin
2024-11-06 7:41 ` Tian, Kevin
2024-11-06 8:02 ` Yi Liu
2024-11-06 8:39 ` Baolu Lu
2024-11-06 9:33 ` Tian, Kevin
2024-11-04 13:18 ` [PATCH v4 06/13] iommu/vt-d: Make intel_iommu_set_dev_pasid() to handle domain replacement Yi Liu
2024-11-05 2:59 ` Baolu Lu
2024-11-06 7:43 ` Tian, Kevin
2024-11-04 13:18 ` [PATCH v4 07/13] iommu/vt-d: Limit intel_iommu_set_dev_pasid() for paging domain Yi Liu
2024-11-05 3:01 ` Baolu Lu
2024-11-06 7:44 ` Tian, Kevin
2024-11-04 13:18 ` [PATCH v4 08/13] iommu/vt-d: Make identity_domain_set_dev_pasid() to handle domain replacement Yi Liu
2024-11-05 3:03 ` Baolu Lu
2024-11-06 7:45 ` Tian, Kevin
2024-11-04 13:18 ` [PATCH v4 09/13] iommu/vt-d: Consolidate the dev_pasid code in intel_svm_set_dev_pasid() Yi Liu
2024-11-05 3:06 ` Baolu Lu
2024-11-06 7:58 ` Tian, Kevin
2024-11-04 13:18 ` [PATCH v4 10/13] iommu/vt-d: Fail SVA domain replacement Yi Liu
2024-11-05 3:30 ` Baolu Lu
2024-11-05 5:30 ` Yi Liu
2024-11-05 5:47 ` Baolu Lu
2024-11-05 14:43 ` Jason Gunthorpe
2024-11-06 7:58 ` Tian, Kevin
2024-11-04 13:18 ` [PATCH v4 11/13] iommu/vt-d: Add set_dev_pasid callback for nested domain Yi Liu
2024-11-05 3:38 ` Baolu Lu
2024-11-05 5:33 ` Yi Liu
2024-11-06 7:59 ` Tian, Kevin
2024-11-06 8:17 ` Tian, Kevin
2024-11-06 8:41 ` Baolu Lu [this message]
2024-11-06 9:14 ` Yi Liu
2024-11-06 10:45 ` Baolu Lu
2024-11-06 11:00 ` Yi Liu
2024-11-06 11:08 ` Baolu Lu
2024-11-04 13:18 ` [PATCH v4 12/13] iommu/arm-smmu-v3: Make set_dev_pasid() op support replace Yi Liu
2024-11-11 12:49 ` Will Deacon
2024-11-04 13:18 ` [PATCH v4 13/13] iommu: Make set_dev_pasid op support domain replacement Yi Liu
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