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

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Message-ID: <ZyOzolCmEcIZ44e5@Asurada-Nvidia>
Date: Thu, 31 Oct 2024 09:43:14 -0700
From: Nicolin Chen <nicolinc@...dia.com>
To: Jason Gunthorpe <jgg@...dia.com>
CC: Zhangfei Gao <zhangfei.gao@...aro.org>, <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 08:59:37AM -0300, Jason Gunthorpe wrote:
> 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?

+1, since we proved PRI could work :)

Thanks
Nicolin