From: Jason Gunthorpe <jgg@ziepe.ca>
To: Vasant Hegde <vasant.hegde@amd.com>
Cc: Baolu Lu <baolu.lu@linux.intel.com>,
iommu@lists.linux.dev, joro@8bytes.org, will@kernel.org,
robin.murphy@arm.com, suravee.suthikulpanit@amd.com,
yi.l.liu@intel.com, kevin.tian@intel.com,
jacob.pan@linux.microsoft.com
Subject: Re: [PATCH v2 3/8] iommu: Add new flag to explictly request PASID capable domain
Date: Wed, 2 Oct 2024 11:23:31 -0300 [thread overview]
Message-ID: <20241002142331.GG1369530@ziepe.ca> (raw)
In-Reply-To: <c6a29fc4-f08d-4601-a0f2-ef1b5d26a87a@amd.com>
On Thu, Sep 26, 2024 at 04:31:52PM +0530, Vasant Hegde wrote:
> >> Previously, the default domain was allocated by domain_alloc_paging or
> >> domain_alloc. Now, it will be allocated through domain_alloc_user,
> >> which, based on my understanding, is intended for user domain
> >> allocation.
> >
> > Right. This was discussed in during v1 [1] and Jason suggested to rename this
> > API to domain_alloc_paging_extended() after everything settles.
>
> Sorry. Missed to add the link
>
> [1] https://lore.kernel.org/linux-iommu/20240821163147.GZ3468552@ziepe.ca/
Yeah, I think this is the right way to go. We just misnamed the _user
op, lets correct it.
We end up with a simple op that most drivers use and then the more
complex op that iommufd capable drivers will implement.
We work to merge things so drivers only implement one of the two ops.
Jason
next prev parent reply other threads:[~2024-10-02 14:23 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-11 10:19 [PATCH v2 0/8] iommu: Domain allocation enhancements Vasant Hegde
2024-09-11 10:19 ` [PATCH v2 1/8] iommu: Refactor __iommu_domain_alloc() Vasant Hegde
2024-09-12 1:50 ` Baolu Lu
2024-09-13 4:02 ` Jacob Pan
2024-09-26 10:17 ` Vasant Hegde
2024-09-30 17:55 ` Jacob Pan
2024-10-01 4:31 ` Vasant Hegde
2024-10-02 5:11 ` Jacob Pan
[not found] ` <66fae60d.170a0220.280357.3d11SMTPIN_ADDED_BROKEN@mx.google.com>
2024-10-02 14:19 ` Jason Gunthorpe
2024-10-02 16:16 ` Jacob Pan
2024-10-02 19:09 ` Jason Gunthorpe
2024-10-15 8:12 ` Tian, Kevin
2024-09-11 10:19 ` [PATCH v2 2/8] iommu: Introduce iommu_paging_domain_alloc_flags() Vasant Hegde
2024-09-12 4:04 ` Baolu Lu
2024-09-26 10:43 ` Vasant Hegde
2024-10-15 8:24 ` Tian, Kevin
2024-10-15 12:31 ` Jason Gunthorpe
2024-10-16 2:44 ` Tian, Kevin
2024-10-02 19:12 ` Jason Gunthorpe
2024-10-09 21:14 ` Jacob Pan
2024-10-16 10:14 ` Vasant Hegde
2024-09-11 10:19 ` [PATCH v2 3/8] iommu: Add new flag to explictly request PASID capable domain Vasant Hegde
2024-09-12 4:14 ` Baolu Lu
2024-09-26 10:29 ` Vasant Hegde
2024-09-26 11:01 ` Vasant Hegde
2024-10-02 14:23 ` Jason Gunthorpe [this message]
2024-10-02 19:02 ` Jacob Pan
[not found] ` <66fd98e3.170a0220.23d7ae.c2a9SMTPIN_ADDED_BROKEN@mx.google.com>
2024-10-02 19:07 ` Jason Gunthorpe
2024-10-03 16:00 ` Jacob Pan
2024-10-02 19:23 ` Jason Gunthorpe
2024-10-04 8:12 ` Vasant Hegde
2024-10-04 12:46 ` Jason Gunthorpe
2024-10-15 8:31 ` Tian, Kevin
2024-09-11 10:19 ` [PATCH v2 4/8] iommu/amd: Separate page table setup from domain allocation Vasant Hegde
2024-09-13 17:08 ` Jacob Pan
2024-10-02 19:24 ` Jason Gunthorpe
2024-09-11 10:19 ` [PATCH v2 5/8] iommu/amd: Pass page table type as param to pdom_setup_pgtable() Vasant Hegde
2024-09-13 21:39 ` Jacob Pan
2024-09-26 10:25 ` Vasant Hegde
2024-09-30 17:57 ` Jacob Pan
[not found] ` <66e4b125.170a0220.2fa213.1e2cSMTPIN_ADDED_BROKEN@mx.google.com>
2024-09-20 13:02 ` Jason Gunthorpe
2024-09-11 10:19 ` [PATCH v2 6/8] iommu/amd: Enhance domain_alloc_user() to allocate PASID capable domain Vasant Hegde
2024-10-02 19:31 ` Jason Gunthorpe
2024-10-04 8:18 ` Vasant Hegde
2024-10-04 12:48 ` Jason Gunthorpe
2024-10-04 14:32 ` Vasant Hegde
2024-10-15 8:41 ` Tian, Kevin
2024-10-15 12:40 ` Jason Gunthorpe
2024-10-16 2:48 ` Tian, Kevin
2024-10-16 15:28 ` Jason Gunthorpe
2024-10-17 6:11 ` Tian, Kevin
2024-10-17 11:03 ` Vasant Hegde
2024-09-11 10:19 ` [PATCH v2 7/8] iommu/amd: Add iommu_ops->domain_alloc_paging support Vasant Hegde
2024-10-02 19:33 ` Jason Gunthorpe
2024-10-04 11:55 ` Vasant Hegde
2024-10-04 12:56 ` Jason Gunthorpe
2024-10-04 14:30 ` Vasant Hegde
2024-10-04 15:31 ` Jason Gunthorpe
2024-10-08 10:08 ` Vasant Hegde
2024-09-11 10:19 ` [PATCH v2 8/8] iommu/amd: Implement global identity domain Vasant Hegde
2024-10-02 19:36 ` Jason Gunthorpe
2024-10-04 11:42 ` Vasant Hegde
2024-10-02 5:30 ` [PATCH v2 0/8] iommu: Domain allocation enhancements Vasant Hegde
2024-10-02 14:24 ` Jason Gunthorpe
2024-10-04 6:11 ` Vasant Hegde
2024-10-09 2:47 ` Baolu Lu
2024-10-09 9:53 ` Vasant Hegde
2024-10-09 12:15 ` Jason Gunthorpe
2024-10-10 6:40 ` Baolu Lu
2024-10-10 6:48 ` Baolu Lu
2024-10-10 11:38 ` Jason Gunthorpe
2024-10-10 14:06 ` Baolu Lu
2024-10-11 5:06 ` Tian, Kevin
2024-10-11 11:39 ` Jason Gunthorpe
2024-10-15 8:10 ` Tian, Kevin
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