From: Jason Gunthorpe <jgg@ziepe.ca>
To: Vasant Hegde <vasant.hegde@amd.com>
Cc: iommu@lists.linux.dev, joro@8bytes.org, will@kernel.org,
robin.murphy@arm.com, suravee.suthikulpanit@amd.com,
yi.l.liu@intel.com, baolu.lu@linux.intel.com,
kevin.tian@intel.com, jacob.pan@linux.microsoft.com
Subject: Re: [PATCH v3 12/12] iommu: Create __iommu_alloc_identity_domain()
Date: Fri, 18 Oct 2024 11:32:33 -0300 [thread overview]
Message-ID: <20241018143233.GM948948@ziepe.ca> (raw)
In-Reply-To: <20241017140137.6028-13-vasant.hegde@amd.com>
On Thu, Oct 17, 2024 at 02:01:37PM +0000, Vasant Hegde wrote:
> From: Jason Gunthorpe <jgg@nvidia.com>
>
> Consolidate all the code to create an IDENTITY domain into one
> function. This the legacy __iommu_domain_alloc() path from all core code
> paths, and preps it for final removal.
Ah some grammar:
Consolidate all the code to create an IDENTITY domain into one
function. This removes the legacy __iommu_domain_alloc() path from all
core code paths, and preps it for final removal.
> +static struct iommu_domain *__iommu_alloc_identity_domain(struct device *dev)
> +{
> + const struct iommu_ops *ops = dev_iommu_ops(dev);
> + struct iommu_domain *domain;
> +
> + if (ops->identity_domain)
> + return ops->identity_domain;
> +
> + /* Older drivers create the identity domain via */
via ops->domain_alloc()
Jason
next prev parent reply other threads:[~2024-10-18 14:32 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-17 14:01 [PATCH v3 00/12] iommu: Domain allocation enhancements Vasant Hegde
2024-10-17 14:01 ` [PATCH v3 01/12] iommu: Refactor __iommu_domain_alloc() Vasant Hegde
2024-10-21 7:29 ` Yi Liu
2024-10-21 9:10 ` Vasant Hegde
2024-10-17 14:01 ` [PATCH v3 02/12] iommu: Introduce iommu_paging_domain_alloc_flags() Vasant Hegde
2024-10-18 3:29 ` Baolu Lu
2024-10-21 7:47 ` Yi Liu
2024-10-21 9:19 ` Vasant Hegde
2024-10-17 14:01 ` [PATCH v3 03/12] iommu: Add new flag to explictly request PASID capable domain Vasant Hegde
2024-10-18 3:43 ` Baolu Lu
2024-10-18 12:43 ` Jason Gunthorpe
2024-10-21 5:02 ` Baolu Lu
2024-10-18 14:16 ` Jason Gunthorpe
2024-10-21 10:02 ` Vasant Hegde
2024-10-21 7:57 ` Yi Liu
2024-10-23 8:52 ` Vasant Hegde
2024-10-21 7:59 ` Yi Liu
2024-10-22 4:54 ` Vasant Hegde
2024-10-17 14:01 ` [PATCH v3 04/12] iommu/arm-smmu-v3: Enhance domain_alloc_user() to allocate " Vasant Hegde
2024-10-18 14:23 ` Jason Gunthorpe
2024-10-21 8:57 ` Vasant Hegde
2024-10-17 14:01 ` [PATCH v3 05/12] iommu/amd: Add helper function to check GIOSUP/GTSUP Vasant Hegde
2024-10-18 14:23 ` Jason Gunthorpe
2024-10-17 14:01 ` [PATCH v3 06/12] iommu/amd: Move V2 page table support check to early_amd_iommu_init() Vasant Hegde
2024-10-18 14:24 ` Jason Gunthorpe
2024-10-17 14:01 ` [PATCH v3 07/12] iommu/amd: Separate page table setup from domain allocation Vasant Hegde
2024-10-17 14:01 ` [PATCH v3 08/12] iommu/amd: Pass page table type as param to pdom_setup_pgtable() Vasant Hegde
2024-10-18 14:25 ` Jason Gunthorpe
2024-10-17 14:01 ` [PATCH v3 09/12] iommu/amd: Enhance amd_iommu_domain_alloc_user() Vasant Hegde
2024-10-18 14:27 ` Jason Gunthorpe
2024-10-21 9:00 ` Vasant Hegde
2024-10-22 7:48 ` Tian, Kevin
2024-10-23 8:47 ` Vasant Hegde
2024-10-17 14:01 ` [PATCH v3 10/12] iommu/amd: Implement global identity domain Vasant Hegde
2024-10-17 14:01 ` [PATCH v3 11/12] iommu: Put domain allocation in __iommu_group_alloc_blocking_domain() Vasant Hegde
2024-10-18 4:02 ` Baolu Lu
2024-10-17 14:01 ` [PATCH v3 12/12] iommu: Create __iommu_alloc_identity_domain() Vasant Hegde
2024-10-18 4:04 ` Baolu Lu
2024-10-18 14:32 ` Jason Gunthorpe [this message]
2024-10-21 6:38 ` Vasant Hegde
2024-10-18 3:10 ` [PATCH v3 00/12] iommu: Domain allocation enhancements Baolu Lu
2024-10-18 12:50 ` Jason Gunthorpe
2024-10-21 9:08 ` Vasant Hegde
2024-10-22 7:50 ` Tian, Kevin
2024-10-23 8:48 ` Vasant Hegde
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