From: Jason Gunthorpe <jgg@ziepe.ca>
To: Vasant Hegde <vasant.hegde@amd.com>
Cc: iommu@lists.linux.dev, joro@8bytes.org,
suravee.suthikulpanit@amd.com, wei.huang2@amd.com,
jsnitsel@redhat.com
Subject: Re: [PATCH v6 11/17] iommu/amd: Refactor attaching / detaching device functions
Date: Thu, 1 Feb 2024 13:43:42 -0400 [thread overview]
Message-ID: <20240201174342.GM50608@ziepe.ca> (raw)
In-Reply-To: <20240125121135.8217-12-vasant.hegde@amd.com>
On Thu, Jan 25, 2024 at 12:11:29PM +0000, Vasant Hegde wrote:
> From: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
>
> If default domain is configured with V2 page table then setup default GCR3
> with domain GCR3 pointer. So that all devices in the domain uses same page
> table for translation. Also return page table setup status from do_attach()
> function.
"default domain" is a bit confusing, perhaps:
If a paging domain is configured with the V2 page table then install
it into a per-device GCR3 table instead of a per-domain GCR3 table.
This is preparation for moving the domain ID to be per-GCR3 table
instead of per-domain.
Otherwise
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2024-02-01 17:43 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-25 12:11 [PATCH v6 00/17] iommu/amd: SVA Support (part 3) - refactor support for GCR3 table Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 01/17] iommu/amd: Pass struct iommu_dev_data to set_dte_entry() Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 02/17] iommu/amd: Enable Guest Translation before registering devices Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 03/17] iommu/amd: Introduce get_amd_iommu_from_dev() Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 04/17] iommu/amd: Introduce struct protection_domain.pd_mode Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 05/17] iommu/amd: Introduce per-device GCR3 table Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 06/17] iommu/amd: Use protection_domain.flags to check page table mode Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 07/17] iommu/amd: Add support for device based TLB invalidation Vasant Hegde
2024-02-01 17:38 ` Jason Gunthorpe
2024-01-25 12:11 ` [PATCH v6 08/17] iommu/amd: Rearrange GCR3 table setup code Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 09/17] iommu: Introduce iommu_group_mutex_assert() Vasant Hegde
2024-02-01 17:26 ` Jason Gunthorpe
2024-02-05 10:22 ` Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 10/17] iommu/amd: Refactor helper function for setting / clearing GCR3 Vasant Hegde
2024-02-01 17:35 ` Jason Gunthorpe
2024-02-05 10:22 ` Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 11/17] iommu/amd: Refactor attaching / detaching device functions Vasant Hegde
2024-02-01 17:43 ` Jason Gunthorpe [this message]
2024-01-25 12:11 ` [PATCH v6 12/17] iommu/amd: Refactor protection_domain helper functions Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 13/17] iommu/amd: Refactor GCR3 table " Vasant Hegde
2024-02-01 18:02 ` Jason Gunthorpe
2024-01-25 12:11 ` [PATCH v6 14/17] iommu/amd: Remove unused flush pasid functions Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 15/17] iommu/amd: Rearrange device flush code Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 16/17] iommu/amd: Remove unused GCR3 table parameters from struct protection_domain Vasant Hegde
2024-01-25 12:11 ` [PATCH v6 17/17] iommu/amd: Introduce per-device domain ID to workaround potential TLB aliasing issue Vasant Hegde
2024-02-01 18:51 ` Jason Gunthorpe
2024-02-05 10:18 ` Vasant Hegde
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