linux-kernel - Re: [PATCH v4 6/8] vfio/mdev: Add iommu place holders in mdev

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Date:   Fri, 16 Nov 2018 00:57:14 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     Kirti Wankhede <kwankhede@...dia.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Joerg Roedel <joro@...tes.org>,
        David Woodhouse <dwmw2@...radead.org>, ashok.raj@...el.com,
        sanjay.k.kumar@...el.com, jacob.jun.pan@...el.com,
        kevin.tian@...el.com,
        Jean-Philippe Brucker <jean-philippe.brucker@....com>,
        yi.l.liu@...el.com, yi.y.sun@...el.com, peterx@...hat.com,
        tiwei.bie@...el.com, Zeng Xin <xin.zeng@...el.com>,
        iommu@...ts.linux-foundation.org, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: Re: [PATCH v4 6/8] vfio/mdev: Add iommu place holders in mdev_device

On Fri, Nov 16, 2018 at 09:20:48AM +0800, Lu Baolu wrote:
> > Please keep symbols mdev_set/get_iommu_device(dev, iommu_device) non-GPL
> > same as other exported symbols from mdev_core module.
> 
> Yes. It will be fixed in the next version.

No.  mdev shall not be used to circumvent the exports in the generic
vfio code.