Re: [PATCH] s390/vfio-ap: do not open code locks for VFIO_GROUP_NOTIFY_SET_KVM notification

From: Alex Williamson
Date: Wed Jul 14 2021 - 15:02:15 EST


On Wed, 14 Jul 2021 19:56:42 +0200
Christian Borntraeger <borntraeger@xxxxxxxxxx> wrote:

> On 14.07.21 15:25, Tony Krowiak wrote:
> >
> >> This patch shows it works as a rwsem - look at what had to be changed
> >> to make it so and you will find some clue to where the problems are in
> >> kvm_busy version.
> >>
> >> In any event, I don't care anymore - please just get this merged, to
> >> AlexW's tree so I don't have conflicts with the rest of the ap changes
> >> for VFIO I've got queued up.
> >
> > Christian, can you merge this with AlexW's tree? Halil suggested
> > the 'fixes' and 'cc stable' tags ought to be removed, do I need
> > to post another version or can you take those out when merging?
>
> Normally this would go via the KVM/s390 or s390 tree (as Alex did
> not want to handle s390 vfio devices).
>
> Alex, as Jason is waiting for this to be in your tree could you take
> this patch via your tree ?(please remove cc stable and Fixes for now
> I want this to settle a bit).
>
> To carry this patch in your tree with my kvm/s390 and s390 maintainer hat
> Acked-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>

Is this intended for v5.14 or v5.15? I don't have a v5.15 next branch
yet, so if this were to get into v5.14 before I create that, it'd be
there for Jason as well. Posting a branch that we both merge into our
linux-next branches would be another option. I can take it either way,
just trying to understand what we're wanting to achieve. Thanks,

Alex