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Date:   Mon, 26 Apr 2021 16:14:29 +0200
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,
        Kirti Wankhede <kwankhede@nvidia.com>,
        "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 09/12] vfio/mdev: Remove mdev_parent_ops dev_attr_groups
Message-ID: <20210426141429.GG15209@lst.de>
References: <0-v1-d88406ed308e+418-vfio3_jgg@nvidia.com> <9-v1-d88406ed308e+418-vfio3_jgg@nvidia.com>
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On Fri, Apr 23, 2021 at 08:03:06PM -0300, Jason Gunthorpe wrote:
> This is only used by one sample to print a fixed string that is pointless.
> 
> In general, having a device driver attach sysfs attributes to the parent
> is horrific. This should never happen, and always leads to some kind of
> liftime bug as it become very difficult for the sysfs attribute to go back
> to any data owned by the device driver.
> 
> Remove the general mechanism to create this abuse.

Looks good,

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