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Date:   Wed, 10 Mar 2021 08:31:15 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Jason Gunthorpe <jgg@nvidia.com>
Cc:     Alex Williamson <alex.williamson@redhat.com>,
        Cornelia Huck <cohuck@redhat.com>, kvm@vger.kernel.org,
        "Raj, Ashok" <ashok.raj@intel.com>,
        Dan Williams <dan.j.williams@intel.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Christoph Hellwig <hch@lst.de>,
        Leon Romanovsky <leonro@nvidia.com>,
        Max Gurtovoy <mgurtovoy@nvidia.com>,
        Tarun Gupta <targupta@nvidia.com>
Subject: Re: [PATCH 05/10] vfio/pci: Use
 vfio_init/register/unregister_group_dev
Message-ID: <20210310073115.GE2659@lst.de>
References: <0-v1-7355d38b9344+17481-vfio1_jgg@nvidia.com> <5-v1-7355d38b9344+17481-vfio1_jgg@nvidia.com>
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> -	ret = vfio_add_group_dev(&pdev->dev, &vfio_pci_ops, vdev);
> +	/*
> +	 * FIXME: vfio_register_group_dev() allows VFIO_GROUP_GET_DEVICE_FD to
> +	 * immediately return the device to userspace, but we haven't finished
> +	 * setting it up yet.
> +	 */
> +	ret = vfio_register_group_dev(&vdev->vdev);

Again, why not include a patch in the series to fix this up as well?

The patch itself looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>