simplify the mdev interface v6

[Eric Farman]

On Tue, 2022-07-19 at 09:26 -0600, Alex Williamson wrote:
> On Tue, 19 Jul 2022 16:49:28 +0200
> Christoph Hellwig <hch at lst.de> wrote:
> 
> > On Mon, Jul 18, 2022 at 10:01:40PM -0400, Eric Farman wrote:
> > > I'll get the problem with struct subchannel [1] sorted out in the
> > > next
> > > couple of days. This series breaks vfio-ccw in its current form
> > > (see
> > > reply to patch 14), but even with that addressed the placement of
> > > all
> > > these other mdev structs needs to be handled differently.  
> > 
> > Alex, any preference if I should just fix the number instances
> > checking
> > with either an incremental patch or a resend, or wait for this ccw
> > rework?
> 
> Since it's the last patch, let's at least just respin that patch
> rather
> than break and fix.  I'd like to make sure Eric is ok to shift around
> structures as a follow-up or make a proposal how this series should
> change though. 

I'd hoped to have that proposal today, but I don't have much confidence
in it yet as this series (with the fix on the last patch) is still
crashing my system. Will get something out as soon as I'm able.

>  Thanks,
> 
> Alex
>