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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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