linux-kernel - Re: [PATCH v8 00/10] IOMMUFD: Deliver IO page faults to user space

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Message-Id: <172009718026.360360.18220408964887632139.b4-ty@kernel.org>
Date: Thu,  4 Jul 2024 15:18:57 +0100
From: Will Deacon <will@...nel.org>
To: Jason Gunthorpe <jgg@...pe.ca>,
	Kevin Tian <kevin.tian@...el.com>,
	Joerg Roedel <joro@...tes.org>,
	Robin Murphy <robin.murphy@....com>,
	Jean-Philippe Brucker <jean-philippe@...aro.org>,
	Nicolin Chen <nicolinc@...dia.com>,
	Yi Liu <yi.l.liu@...el.com>,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>,
	Joel Granados <j.granados@...sung.com>,
	Lu Baolu <baolu.lu@...ux.intel.com>
Cc: catalin.marinas@....com,
	kernel-team@...roid.com,
	Will Deacon <will@...nel.org>,
	iommu@...ts.linux.dev,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 00/10] IOMMUFD: Deliver IO page faults to user space

On Tue, 02 Jul 2024 14:34:34 +0800, Lu Baolu wrote:
> This series implements the functionality of delivering IO page faults to
> user space through the IOMMUFD framework. One feasible use case is the
> nested translation. Nested translation is a hardware feature that
> supports two-stage translation tables for IOMMU. The second-stage
> translation table is managed by the host VMM, while the first-stage
> translation table is owned by user space. This allows user space to
> control the IOMMU mappings for its devices.
> 
> [...]

Applied first four to iommu (iommufd/attach-handles), thanks!

[01/10] iommu: Introduce domain attachment handle
        https://git.kernel.org/iommu/c/14678219cf40
[02/10] iommu: Remove sva handle list
        https://git.kernel.org/iommu/c/3e7f57d1ef3f
[03/10] iommu: Add attach handle to struct iopf_group
        https://git.kernel.org/iommu/c/06cdcc32d657
[04/10] iommu: Extend domain attach group with handle support
        https://git.kernel.org/iommu/c/8519e689834a

Jason -- feel free to use this branch as a base on which you can take
the iommufd parts.

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev