linux-kernel - Re: [PATCH v2 02/10] iommu: Remove guest pasid related interfaces and definitions

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Date:   Thu, 10 Feb 2022 08:44:34 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     baolu.lu@...ux.intel.com, Joerg Roedel <joro@...tes.org>,
        Christoph Hellwig <hch@...radead.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        Kevin Tian <kevin.tian@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Eric Auger <eric.auger@...hat.com>,
        Liu Yi L <yi.l.liu@...el.com>,
        Jacob jun Pan <jacob.jun.pan@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v2 02/10] iommu: Remove guest pasid related interfaces and
 definitions

Hi Jason,

On 2/9/22 9:29 PM, Jason Gunthorpe wrote:
>> diff --git a/include/uapi/linux/iommu.h b/include/uapi/linux/iommu.h
>> index 59178fc229ca..65d8b0234f69 100644
>> --- a/include/uapi/linux/iommu.h
>> +++ b/include/uapi/linux/iommu.h
>> @@ -158,185 +158,4 @@ struct iommu_page_response {
>>   	__u32	code;
>>   };
> What is the plan for the rest of the dead code in this file?

The remaining code are IOMMU fault related. I can look into them in a
separated series where I plan to make the I/O page fault framework
generic.

Best regards,
baolu