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From: "joro@8bytes.org" <joro@8bytes.org>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Baolu Lu <baolu.lu@linux.intel.com>,
	"Deucher, Alexander" <Alexander.Deucher@amd.com>,
	"Hegde, Vasant" <Vasant.Hegde@amd.com>,
	"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
	"Suthikulpanit, Suravee" <Suravee.Suthikulpanit@amd.com>,
	"Huang2, Wei" <Wei.Huang2@amd.com>,
	"jsnitsel@redhat.com" <jsnitsel@redhat.com>,
	"Kuehling, Felix" <Felix.Kuehling@amd.com>
Subject: Re: [PATCH v3 1/5] iommu/amd: Remove iommu_v2 module
Date: Mon, 25 Sep 2023 11:04:34 +0200	[thread overview]
Message-ID: <ZRFNIsHmKpNmmOc7@8bytes.org> (raw)
In-Reply-To: <20230922121812.GM13733@nvidia.com>

On Fri, Sep 22, 2023 at 09:18:12AM -0300, Jason Gunthorpe wrote:
> IMHO iommu drivers should not override this.
> 
> I think it was a mistake that iommu drivers could override to identity
> domains. If we need quirks then the core code should have the quirk
> list, similar to how PCI works.

Sounds reasonable, but if we transition over to an iommu core facility
for quirks, we must do it in a way that does not cause temporary
regressions for existing hardware.

That being said, Alexander, can you please test this series for
regressions on the older hardware to make sure nothing regresses there?

Regards,

	Joerg

  parent reply	other threads:[~2023-09-25  9:04 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-21  9:31 [PATCH v3 0/5] iommu/amd: SVA Support (part 2) - deprecate iommu_v2 module Vasant Hegde
2023-09-21  9:31 ` [PATCH v3 1/5] iommu/amd: Remove " Vasant Hegde
2023-09-21 14:05   ` Deucher, Alexander
2023-09-21 14:14     ` Jason Gunthorpe
2023-09-21 15:15       ` Deucher, Alexander
2023-09-21 16:31         ` Jason Gunthorpe
2023-09-22  2:23           ` Baolu Lu
2023-09-22  8:52             ` Vasant Hegde
2023-09-22 12:00               ` Jason Gunthorpe
2023-09-25 15:11                 ` Vasant Hegde
2023-09-25 15:57                   ` Jason Gunthorpe
2023-09-25 16:31                   ` Deucher, Alexander
2023-09-25 16:37                     ` Jason Gunthorpe
2023-09-22 11:59             ` Jason Gunthorpe
2023-09-22 12:13               ` Baolu Lu
2023-09-22 12:18                 ` Jason Gunthorpe
2023-09-22 12:42                   ` Baolu Lu
2023-09-22 12:43                     ` Jason Gunthorpe
2023-09-25  9:04                   ` joro [this message]
2023-09-25 15:40                     ` Vasant Hegde
2023-09-28 14:52                     ` Deucher, Alexander
2023-10-05 11:29                       ` Vasant Hegde
2023-10-06 15:19                         ` Deucher, Alexander
2023-09-22 18:08                 ` Deucher, Alexander
2023-09-22 18:15           ` Deucher, Alexander
2023-09-22  6:45         ` Vasant Hegde
2023-09-22 18:13           ` Deucher, Alexander
2023-09-25 15:30             ` Vasant Hegde
2023-09-21  9:31 ` [PATCH v3 2/5] iommu/amd: Remove PPR support Vasant Hegde
2023-09-21  9:31 ` [PATCH v3 3/5] iommu/amd: Remove amd_iommu_device_info() Vasant Hegde
2023-09-21  9:31 ` [PATCH v3 4/5] iommu/amd: Remove unused EXPORT_SYMBOLS Vasant Hegde
2023-09-21  9:31 ` [PATCH v3 5/5] Revert "iommu: Fix false ownership failure on AMD systems with PASID activated" Vasant Hegde
2023-10-02  6:32 ` [PATCH v3 0/5] iommu/amd: SVA Support (part 2) - deprecate iommu_v2 module Joerg Roedel
2023-10-05 11:30   ` Vasant Hegde

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