From: Jason Gunthorpe <jgg@ziepe.ca>
To: Samiullah Khawaja <skhawaja@google.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
Lu Baolu <baolu.lu@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
David Matlack <dmatlack@google.com>,
Robin Murphy <robin.murphy@arm.com>,
Pratyush Yadav <pratyush@kernel.org>,
Kevin Tian <kevin.tian@intel.com>,
Alex Williamson <alex@shazbot.org>, Shuah Khan <shuah@kernel.org>,
iommu@lists.linux.dev, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, Saeed Mahameed <saeedm@nvidia.com>,
Adithya Jayachandran <ajayachandra@nvidia.com>,
Parav Pandit <parav@nvidia.com>,
Leon Romanovsky <leonro@nvidia.com>, William Tu <witu@nvidia.com>
Subject: Re: [PATCH 0/3] iommu/vt-d: Add support to hitless replace IOMMU domain
Date: Wed, 7 Jan 2026 16:28:12 -0400 [thread overview]
Message-ID: <20260107202812.GD340082@ziepe.ca> (raw)
In-Reply-To: <20260107201800.2486137-1-skhawaja@google.com>
On Wed, Jan 07, 2026 at 08:17:57PM +0000, Samiullah Khawaja wrote:
> Intel IOMMU Driver already supports replacing IOMMU domain hitlessly in
> scalable mode.
It does? We were just talking about how it doesn't work because it
makes the PASID entry non-present while loading the new domain.
Jason
next prev parent reply other threads:[~2026-01-07 20:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-07 20:17 [PATCH 0/3] iommu/vt-d: Add support to hitless replace IOMMU domain Samiullah Khawaja
2026-01-07 20:17 ` [PATCH 1/3] iommu/vt-d: Allow replacing no_pasid iommu_domain Samiullah Khawaja
2026-01-07 20:17 ` [PATCH 2/3] vfio: selftests: Add support of creating iommus from iommufd Samiullah Khawaja
2026-01-08 0:29 ` David Matlack
2026-01-09 21:39 ` Samiullah Khawaja
2026-01-07 20:18 ` [PATCH 3/3] vfio: selftests: Add iommufd hwpt replace test Samiullah Khawaja
2026-01-09 0:42 ` kernel test robot
2026-01-07 20:28 ` Jason Gunthorpe [this message]
2026-01-07 20:46 ` [PATCH 0/3] iommu/vt-d: Add support to hitless replace IOMMU domain Jason Gunthorpe
2026-01-09 20:06 ` Samiullah Khawaja
2026-01-11 22:14 ` Jason Gunthorpe
2026-01-12 6:57 ` Baolu Lu
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