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

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Date:   Sun, 14 Mar 2021 16:58:13 +0100
From:   Christoph Hellwig <hch@....de>
To:     Auger Eric <eric.auger@...hat.com>
Cc:     Christoph Hellwig <hch@....de>, 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

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.