linux-kernel - Re: [PATCH v6 00/10] iommufd: Add vIOMMU infrastructure (Part-2: vDEVICE)

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Message-ID: <20241031115937.GD10193@nvidia.com>
Date: Thu, 31 Oct 2024 08:59:37 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Zhangfei Gao <zhangfei.gao@...aro.org>
Cc: Nicolin Chen <nicolinc@...dia.com>, kevin.tian@...el.com,
	corbet@....net, joro@...tes.org, suravee.suthikulpanit@....com,
	will@...nel.org, robin.murphy@....com, dwmw2@...radead.org,
	shuah@...nel.org, iommu@...ts.linux.dev, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
	baolu.lu@...ux.intel.com, eric.auger@...hat.com,
	jean-philippe@...aro.org, mdf@...nel.org, mshavit@...gle.com,
	shameerali.kolothum.thodi@...wei.com, smostafa@...gle.com,
	yi.l.liu@...el.com, aik@....com, patches@...ts.linux.dev
Subject: Re: [PATCH v6 00/10] iommufd: Add vIOMMU infrastructure (Part-2:
 vDEVICE)

On Thu, Oct 31, 2024 at 02:28:12PM +0800, Zhangfei Gao wrote:

> > As for the implementation of the series, add driver support in ARM SMMUv3
> > for a real world use case.
> >
> > This series is on Github:
> > https://github.com/nicolinc/iommufd/commits/iommufd_viommu_p2-v6
> > (QEMU branch for testing will be provided in Jason's nesting series)
> 
> Thanks Nico
> 
> I tested on aarch64, functions are OK.
> 
> But with some hacks
> https://github.com/Linaro/linux-kernel-uadk/commit/22f47d6f3a34a0867a187473bd5ba0e0ee3395d4

Hmm, it seems like we should permit IOMMU_HWPT_FAULT_ID_VALID domain
creation on ARM?

Jason