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From: Jason Gunthorpe <jgg@nvidia.com>
To: "Tian, Kevin" <kevin.tian@intel.com>
Cc: Jacob Pan <jacob.pan@linux.microsoft.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
	Alex Williamson <alex@shazbot.org>,
	Joerg Roedel <joro@8bytes.org>,
	Mostafa Saleh <smostafa@google.com>,
	David Matlack <dmatlack@google.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Nicolin Chen <nicolinc@nvidia.com>,
	"Liu, Yi L" <yi.l.liu@intel.com>,
	"skhawaja@google.com" <skhawaja@google.com>,
	"pasha.tatashin@soleen.com" <pasha.tatashin@soleen.com>,
	Will Deacon <will@kernel.org>,
	Baolu Lu <baolu.lu@linux.intel.com>
Subject: Re: [PATCH V4 01/10] iommufd: Support a HWPT without an iommu driver for noiommu
Date: Thu, 23 Apr 2026 11:51:08 -0300	[thread overview]
Message-ID: <20260423145108.GM3199414@nvidia.com> (raw)
In-Reply-To: <BN9PR11MB5276317325A185589BB76F118C2A2@BN9PR11MB5276.namprd11.prod.outlook.com>

On Thu, Apr 23, 2026 at 07:26:49AM +0000, Tian, Kevin wrote:

> I meant to avoid mentioning selftest like below:
> 
> + * AMDV1 is used as a dummy page table for no-IOMMU mode, similar to the
> + * iommufd selftest mock page table.
> 
> "similar to" is not helpful here, and is now not the fact any more.

The mock page table is still amdv1, just a little different flavour of
it :)

Jason

  reply	other threads:[~2026-04-23 14:51 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-14 21:14 [PATCH V4 00/10] iommufd: Enable noiommu mode for cdev Jacob Pan
2026-04-14 21:14 ` [PATCH V4 01/10] iommufd: Support a HWPT without an iommu driver for noiommu Jacob Pan
2026-04-16  7:25   ` Tian, Kevin
2026-04-17 21:59     ` Jacob Pan
2026-04-22  8:12       ` Tian, Kevin
2026-04-22 16:03         ` Jason Gunthorpe
2026-04-23  7:26           ` Tian, Kevin
2026-04-23 14:51             ` Jason Gunthorpe [this message]
2026-04-24  6:31               ` Tian, Kevin
2026-04-14 21:14 ` [PATCH V4 02/10] iommufd: Move igroup allocation to a function Jacob Pan
2026-04-16  7:48   ` Tian, Kevin
2026-04-14 21:14 ` [PATCH V4 03/10] iommufd: Allow binding to a noiommu device Jacob Pan
2026-04-16  7:56   ` Tian, Kevin
2026-04-14 21:14 ` [PATCH V4 04/10] iommufd: Add an ioctl IOMMU_IOAS_GET_PA to query PA from IOVA Jacob Pan
2026-04-16  8:02   ` Tian, Kevin
2026-04-16 19:32   ` Alex Williamson
2026-04-14 21:14 ` [PATCH V4 05/10] vfio: Allow null group for noiommu without containers Jacob Pan
2026-04-16  8:13   ` Tian, Kevin
2026-04-16 21:33     ` Jacob Pan
2026-04-16 20:06   ` Alex Williamson
2026-04-17 17:06     ` Jacob Pan
2026-04-17 23:04       ` Alex Williamson
2026-04-14 21:14 ` [PATCH V4 06/10] vfio: Introduce and set noiommu flag on vfio_device Jacob Pan
2026-04-14 21:14 ` [PATCH V4 07/10] vfio: Enable cdev noiommu mode under iommufd Jacob Pan
2026-04-16 20:49   ` Alex Williamson
2026-04-14 21:14 ` [PATCH V4 08/10] vfio:selftest: Handle VFIO noiommu cdev Jacob Pan
2026-04-14 21:14 ` [PATCH V4 09/10] selftests/vfio: Add iommufd noiommu mode selftest for cdev Jacob Pan
2026-04-14 21:14 ` [PATCH V4 10/10] Documentation: Update VFIO NOIOMMU mode Jacob Pan

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