From: Jacob Pan <jacob.pan@linux.microsoft.com>
To: Yi Liu <yi.l.liu@intel.com>
Cc: <linux-kernel@vger.kernel.org>,
"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
Jason Gunthorpe <jgg@nvidia.com>,
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>,
"Tian, Kevin" <kevin.tian@intel.com>,
Baolu Lu <baolu.lu@linux.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 v6 7/7] Documentation: Update VFIO NOIOMMU mode
Date: Fri, 22 May 2026 20:42:10 -0700 [thread overview]
Message-ID: <20260522204210.00002858@linux.microsoft.com> (raw)
In-Reply-To: <18733b82-9f59-4a4b-b37c-69a2e367a0ab@intel.com>
Hi Yi,
On Fri, 22 May 2026 17:42:42 +0800
Yi Liu <yi.l.liu@intel.com> wrote:
> > ++------+-------+-----------+------+---------+---------------------------+
> > +| Case | GROUP | Container | CDEV | NOIOMMU | Notes
> > |
> > ++======+=======+===========+======+=========+===========================+
> > +| 1 | y | y | n | yes | Group noiommu works
> > |
> > ++------+-------+-----------+------+---------+---------------------------+
> > +| 2 | y | n | n | no | Blocked - no
> > container |
> > ++------+-------+-----------+------+---------+---------------------------+
> > +| 3 | y | y | y | yes | Both paths work
> > |
> > ++------+-------+-----------+------+---------+---------------------------+
> > +| 4 | y | n | y | no | Blocked - no
> > container |
> > ++------+-------+-----------+------+---------+---------------------------+
> > +| 5 | n | - | y | yes | Cdev-only works
> > |
> > ++------+-------+-----------+------+---------+---------------------------+
> > +| 6 | n | - | n | no | No access path
> > |
> > ++------+-------+-----------+------+---------+---------------------------+
> > +
>
> Does "Bloked" mean no access path or no chance to compile? :)
By “Blocked”, I mean Kconfig prevents that combination from being
selected, so it is not buildable as such; consequently there is no
access path at runtime.
next prev parent reply other threads:[~2026-05-23 3:42 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-21 22:11 [PATCH v6 0/7] iommufd: Enable noiommu mode for cdev Jacob Pan
2026-05-21 22:11 ` [PATCH v6 1/7] iommufd: Support a HWPT without an iommu driver for noiommu Jacob Pan
2026-05-21 22:11 ` [PATCH v6 2/7] iommufd: Move igroup allocation to a function Jacob Pan
2026-05-22 6:00 ` Baolu Lu
2026-05-21 22:11 ` [PATCH v6 3/7] iommufd: Allow binding to a noiommu device Jacob Pan
2026-05-22 6:01 ` Baolu Lu
2026-05-21 22:11 ` [PATCH v6 4/7] iommufd: Add an ioctl to query PA from IOVA for noiommu mode Jacob Pan
2026-05-22 9:22 ` Yi Liu
2026-05-21 22:11 ` [PATCH v6 5/7] vfio: Enable cdev noiommu mode under iommufd Jacob Pan
2026-05-22 9:19 ` Yi Liu
2026-05-23 22:01 ` Jacob Pan
2026-05-25 6:29 ` Yi Liu
2026-05-28 18:52 ` Jacob Pan
2026-05-29 7:27 ` Yi Liu
2026-05-21 22:11 ` [PATCH v6 6/7] selftests/vfio: Add iommufd noiommu mode selftest for cdev Jacob Pan
2026-05-21 22:39 ` David Matlack
2026-06-03 0:13 ` Jacob Pan
2026-05-21 22:11 ` [PATCH v6 7/7] Documentation: Update VFIO NOIOMMU mode Jacob Pan
2026-05-22 9:42 ` Yi Liu
2026-05-23 3:42 ` Jacob Pan [this message]
2026-05-25 6:29 ` Yi Liu
2026-05-25 8:30 ` [PATCH v6 0/7] iommufd: Enable noiommu mode for cdev Tian, Kevin
2026-05-26 15:32 ` Jacob Pan
2026-05-26 17:57 ` Alex Williamson
2026-05-27 22:34 ` Jacob Pan
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