linux-kernel - Re: [PATCH 06/17] iommufd/hw_pagetable: Use domain_alloc

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Message-ID: <Y+WI2mLi/cjPYLZK@nvidia.com>
Date:   Thu, 9 Feb 2023 19:59:22 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Nicolin Chen <nicolinc@...dia.com>
Cc:     Yi Liu <yi.l.liu@...el.com>,
        Matthew Rosato <mjrosato@...ux.ibm.com>, joro@...tes.org,
        alex.williamson@...hat.com, kevin.tian@...el.com,
        robin.murphy@....com, cohuck@...hat.com, eric.auger@...hat.com,
        kvm@...r.kernel.org, chao.p.peng@...ux.intel.com,
        yi.y.sun@...ux.intel.com, peterx@...hat.com, jasowang@...hat.com,
        shameerali.kolothum.thodi@...wei.com, lulu@...hat.com,
        suravee.suthikulpanit@....com, iommu@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        baolu.lu@...ux.intel.com
Subject: Re: [PATCH 06/17] iommufd/hw_pagetable: Use domain_alloc_user op for
 domain allocation

On Thu, Feb 09, 2023 at 02:22:26PM -0800, Nicolin Chen wrote:

> Yea, I think that's the only way out for now. Though I am not
> sure about other drivers yet, hopefully the SMMU driver(s) is
> the last one that we need to update...

I noticed apple dart had copy and pasted this from smmu, but I see
that it needed it.

Jason