linux-kernel - Re: [PATCH v3 4/4] vfio/type1: Use iommu_aux_at(de)tach

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Message-ID: <20200714082514.GA30622@infradead.org>
Date:   Tue, 14 Jul 2020 09:25:14 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     Joerg Roedel <joro@...tes.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Kevin Tian <kevin.tian@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, kvm@...r.kernel.org,
        Cornelia Huck <cohuck@...hat.com>,
        linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        Robin Murphy <robin.murphy@....com>
Subject: Re: [PATCH v3 4/4] vfio/type1: Use iommu_aux_at(de)tach_group() APIs

On Tue, Jul 14, 2020 at 01:57:03PM +0800, Lu Baolu wrote:
> Replace iommu_aux_at(de)tach_device() with iommu_aux_at(de)tach_group().
> It also saves the IOMMU_DEV_FEAT_AUX-capable physcail device in the
> vfio_group data structure so that it could be reused in other places.

This removes the last user of iommu_aux_attach_device and
iommu_aux_detach_device, which can be removed now.