Re: [PATCH] vfio-mdev: support mediated device creation in kernel

From: Christoph Hellwig
Date: Mon Mar 23 2020 - 07:14:15 EST


On Fri, Mar 20, 2020 at 10:59:10AM -0700, Yonghyun Hwang wrote:
> To enable a mediated device, a device driver registers its device to VFIO
> MDev framework. Once the mediated device gets enabled, UUID gets fed onto
> the sysfs attribute, "create", to create the mediated device. This
> additional step happens after boot-up gets complete. If the driver knows
> how many mediated devices need to be created during probing time, the
> additional step becomes cumbersome. This commit implements a new function
> to allow the driver to create a mediated device in kernel.

Please send this along with your proposed user so that we can understand
the use. Without that new exports have no chance of going in anyway.