netdev - Re: [PATCH 15/17] iommu: remove DOMAIN_ATTR

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Message-ID: <3a1194de-a053-84dd-3d6a-bff8e01ebcd3@redhat.com>
Date:   Mon, 15 Mar 2021 08:52:28 +0100
From:   Auger Eric <eric.auger@...hat.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
        Li Yang <leoyang.li@....com>, freedreno@...ts.freedesktop.org,
        kvm@...r.kernel.org, Michael Ellerman <mpe@...erman.id.au>,
        linuxppc-dev@...ts.ozlabs.org, dri-devel@...ts.freedesktop.org,
        virtualization@...ts.linux-foundation.org,
        iommu@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        David Woodhouse <dwmw2@...radead.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 15/17] iommu: remove DOMAIN_ATTR_NESTING

Hi Christoph,

On 3/14/21 4:58 PM, Christoph Hellwig wrote:
> On Sun, Mar 14, 2021 at 11:44:52AM +0100, Auger Eric wrote:
>> As mentionned by Robin, there are series planning to use
>> DOMAIN_ATTR_NESTING to get info about the nested caps of the iommu (ARM
>> and Intel):
>>
>> [Patch v8 00/10] vfio: expose virtual Shared Virtual Addressing to VMs
>> patches 1, 2, 3
>>
>> Is the plan to introduce a new domain_get_nesting_info ops then?
> 
> The plan as usual would be to add it the series adding that support.
> Not sure what the merge plans are - if the series is ready to be
> merged I could rebase on top of it, otherwise that series will need
> to add the method.
OK I think your series may be upstreamed first.

Thanks

Eric
>