From: Jacob Pan <jacob.pan@linux.microsoft.com>
To: Jason Gunthorpe <jgg@nvidia.com>, Baolu Lu <baolu.lu@linux.intel.com>
Cc: Alex Williamson <alex@shazbot.org>,
linux-kernel@vger.kernel.org,
"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
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>,
"Tian, Kevin" <kevin.tian@intel.com>, Yi Liu <yi.l.liu@intel.com>,
Saurabh Sengar <ssengar@linux.microsoft.com>,
skhawaja@google.com, pasha.tatashin@soleen.com,
Will Deacon <will@kernel.org>,
jacob.pan@linux.microsoft.com
Subject: Re: [PATCH v5 0/9] iommufd: Enable noiommu mode for cdev
Date: Tue, 19 May 2026 14:03:48 -0700 [thread overview]
Message-ID: <20260519140348.00003c87@linux.microsoft.com> (raw)
In-Reply-To: <20260519180156.GI3602937@nvidia.com>
Hi Jason,
On Tue, 19 May 2026 15:01:56 -0300
Jason Gunthorpe <jgg@nvidia.com> wrote:
> On Mon, May 11, 2026 at 11:41:05AM -0700, Jacob Pan wrote:
> > VFIO's unsafe_noiommu_mode has long provided a way for userspace
> > drivers to operate on platforms lacking a hardware IOMMU. Today,
> > IOMMUFD also supports No-IOMMU mode for group-based devices under
> > vfio_compat mode. However, IOMMUFD's native character device (cdev)
> > does not yet support No-IOMMU mode, which is the purpose of this
> > patch.
>
> I would like to try to take this for this cycle, how are we doing for
> a v6?
I will send out v6 with Baolu's feedback in a couple of days.
> Alex, did you have any remarks?
>
> Thanks,
> Jason
prev parent reply other threads:[~2026-05-19 21:03 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-11 18:41 [PATCH v5 0/9] iommufd: Enable noiommu mode for cdev Jacob Pan
2026-05-11 18:41 ` [PATCH v5 1/9] vfio: Rename VFIO_NOIOMMU to VFIO_GROUP_NOIOMMU Jacob Pan
2026-05-19 23:34 ` Jason Gunthorpe
2026-05-11 18:41 ` [PATCH v5 2/9] iommufd: Support a HWPT without an iommu driver for noiommu Jacob Pan
2026-05-13 6:58 ` Baolu Lu
2026-05-13 21:30 ` Jacob Pan
2026-05-13 19:18 ` Samiullah Khawaja
2026-05-20 7:19 ` Yi Liu
2026-05-20 16:15 ` Jacob Pan
2026-05-11 18:41 ` [PATCH v5 3/9] iommufd: Move igroup allocation to a function Jacob Pan
2026-05-13 7:18 ` Baolu Lu
2026-05-11 18:41 ` [PATCH v5 4/9] iommufd: Allow binding to a noiommu device Jacob Pan
2026-05-13 7:37 ` Baolu Lu
2026-05-13 22:08 ` Jacob Pan
2026-05-14 6:51 ` Baolu Lu
2026-05-19 21:25 ` Jacob Pan
2026-05-20 7:20 ` Yi Liu
2026-05-20 15:54 ` Jacob Pan
2026-05-11 18:41 ` [PATCH v5 5/9] iommufd: Add an ioctl to query PA from IOVA for noiommu mode Jacob Pan
2026-05-11 18:58 ` Jacob Pan
2026-05-13 7:53 ` Baolu Lu
2026-05-13 12:22 ` Jason Gunthorpe
2026-05-13 22:20 ` Jacob Pan
2026-05-13 23:26 ` Jason Gunthorpe
2026-05-20 7:20 ` Yi Liu
2026-05-20 7:31 ` Yi Liu
2026-05-20 14:22 ` Jason Gunthorpe
2026-05-20 14:39 ` Yi Liu
2026-05-20 17:02 ` Jacob Pan
2026-05-11 18:41 ` [PATCH v5 6/9] vfio/group: Add VFIO_CDEV_NOIOMMU Kconfig and tolerate NULL group Jacob Pan
2026-05-20 3:45 ` Alex Williamson
2026-05-20 17:08 ` Jacob Pan
2026-05-11 18:41 ` [PATCH v5 7/9] vfio: Enable cdev noiommu mode under iommufd Jacob Pan
2026-05-19 23:40 ` Jason Gunthorpe
2026-05-20 2:56 ` Jacob Pan
2026-05-20 3:46 ` Alex Williamson
2026-05-20 7:20 ` Yi Liu
2026-05-20 18:15 ` Jacob Pan
2026-05-11 18:41 ` [PATCH v5 8/9] selftests/vfio: Add iommufd noiommu mode selftest for cdev Jacob Pan
2026-05-11 18:41 ` [PATCH v5 9/9] Documentation: Update VFIO NOIOMMU mode Jacob Pan
2026-05-20 7:20 ` Yi Liu
2026-05-20 16:26 ` Jacob Pan
2026-05-19 18:01 ` [PATCH v5 0/9] iommufd: Enable noiommu mode for cdev Jason Gunthorpe
2026-05-19 21:03 ` Jacob Pan [this message]
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