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Date:   Thu, 27 May 2021 17:13:13 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Jason Gunthorpe <jgg@nvidia.com>
Cc:     Christoph Hellwig <hch@lst.de>,
        Dan Williams <dan.j.williams@intel.com>,
        Alex Williamson <alex.williamson@redhat.com>,
        Cornelia Huck <cohuck@redhat.com>, kvm@vger.kernel.org,
        Kirti Wankhede <kwankhede@nvidia.com>,
        "Raj, Ashok" <ashok.raj@intel.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Leon Romanovsky <leonro@nvidia.com>,
        Max Gurtovoy <mgurtovoy@nvidia.com>,
        Tarun Gupta <targupta@nvidia.com>, dave.jiang@intel.com
Subject: Re: [PATCH v2 02/13] vfio/mdev: Allow the mdev_parent_ops to
 specify the device driver to bind
Message-ID: <20210527151313.GA2733@lst.de>
References: <0-v2-7667f42c9bad+935-vfio3_jgg@nvidia.com> <2-v2-7667f42c9bad+935-vfio3_jgg@nvidia.com> <20210428060300.GA4092@lst.de> <CAPcyv4g=MFtZMVZPn8AtTX6NyweF25nuFNVBu7pg_QSP+EGE+g@mail.gmail.com> <20210428124153.GA28566@lst.de> <20210428140005.GS1370958@nvidia.com> <CAPcyv4hnjX-HtoG08dPbPxJPeJyvnO-WaJosoY1aSRqm5oo14Q@mail.gmail.com> <20210526004230.GA3563025@nvidia.com> <20210527114452.GB18214@lst.de> <20210527145342.GE1002214@nvidia.com>
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On Thu, May 27, 2021 at 11:53:42AM -0300, Jason Gunthorpe wrote:
> > This looks great.  Please get it out to Greg ASAP!
> 
> Thanks, I need to test it all carefully it is pretty tricky. You are
> OK with the funky in/out flag? That was the most ick part

It is a little ugly, but what are the alternatives?  Would an input
flag to never return EPROBE_DEFER work instead?