netdev - Re: [PATCH iwl-next v3 13/13] vfio/ice: Implement vfio

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Message-ID: <20231004122523.GG682044@nvidia.com>
Date: Wed, 4 Oct 2023 09:25:23 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Alex Williamson <alex.williamson@...hat.com>
Cc: Yahui Cao <yahui.cao@...el.com>, intel-wired-lan@...ts.osuosl.org,
	kvm@...r.kernel.org, netdev@...r.kernel.org, lingyu.liu@...el.com,
	kevin.tian@...el.com, madhu.chittim@...el.com,
	sridhar.samudrala@...el.com, yishaih@...dia.com,
	shameerali.kolothum.thodi@...wei.com, brett.creeley@....com,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, jesse.brandeburg@...el.com,
	anthony.l.nguyen@...el.com
Subject: Re: [PATCH iwl-next v3 13/13] vfio/ice: Implement vfio_pci driver
 for E800 devices

On Tue, Oct 03, 2023 at 04:04:21PM -0600, Alex Williamson wrote:

> > +/**
> > + * ice_vfio_pci_load_state - VFIO device state reloading
> > + * @ice_vdev: pointer to ice vfio pci core device structure
> > + *
> > + * Load device state and restore it. This function is called when the VFIO uAPI
> > + * consumer wants to load the device state info from VFIO migration region and
> > + * restore them into the device. This function should make sure all the device
> > + * state info is loaded and restored successfully. As a result, return value is
> > + * mandatory to be checked.
> > + *
> > + * Return 0 for success, negative value for failure.
> > + */
> 
> Kudos on the kernel-doc comments throughout, nice!
> 
> This appears to be a substantial improvement from the comments I see
> on v2, I'm curious where Kevin and Jason stand on this now.  Thanks,

It is on my todo list, but I haven't been able to look

Did the fundamental issue with operating the VF from the VFIO driver
get fully fixed?

Jason