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Message-ID: <Y+uHSry/tpgGNr/b@nvidia.com>
Date:   Tue, 14 Feb 2023 09:06:18 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Jean-Philippe Brucker <jean-philippe@...aro.org>
Cc:     Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>, iommu@...ts.linux.dev,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>,
        Robin Murphy <robin.murphy@....com>,
        Will Deacon <will@...nel.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Raj Ashok <ashok.raj@...el.com>,
        "Tian, Kevin" <kevin.tian@...el.com>, Yi Liu <yi.l.liu@...el.com>
Subject: Re: [PATCH v2 3/3] iommu: Remove ioasid infrastructure

On Tue, Feb 14, 2023 at 09:32:33AM +0000, Jean-Philippe Brucker wrote:
> > diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h
> > index 65d8b0234f69..a95f07f0c98c 100644
> > --- a/include/uapi/linux/iommu.h
> > +++ b/include/uapi/linux/iommu.h
> > @@ -157,5 +157,6 @@ struct iommu_page_response {
> >  	__u32	grpid;
> >  	__u32	code;
> >  };
> > +#define IOMMU_PASID_INVALID	(-1U)
> 
> Why change UAPI?

There is no uapi, this whole file needs to be deleted too

JAson

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