linux-kernel - Re: [PATCH v1] s390/virtio_ccw: don't allocate/assign airqs for non-existing queues

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Message-ID: <20250411124242.123863D16-hca@linux.ibm.com>
Date: Fri, 11 Apr 2025 14:42:42 +0200
From: Heiko Carstens <hca@...ux.ibm.com>
To: Christian Borntraeger <borntraeger@...ux.ibm.com>
Cc: David Hildenbrand <david@...hat.com>, linux-kernel@...r.kernel.org,
        linux-s390@...r.kernel.org, virtualization@...ts.linux.dev,
        kvm@...r.kernel.org, Chandra Merla <cmerla@...hat.com>,
        Stable@...r.kernel.org, Cornelia Huck <cohuck@...hat.com>,
        Thomas Huth <thuth@...hat.com>, Halil Pasic <pasic@...ux.ibm.com>,
        Eric Farman <farman@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        "Michael S. Tsirkin" <mst@...hat.com>, Wei Wang <wei.w.wang@...el.com>
Subject: Re: [PATCH v1] s390/virtio_ccw: don't allocate/assign airqs for
 non-existing queues

On Fri, Apr 11, 2025 at 01:11:55PM +0200, Christian Borntraeger wrote:
> Am 10.04.25 um 20:44 schrieb David Hildenbrand:
> [...]
> > > ---
> > 
> > So, given that
> > 
> > (a) people are actively running into this
> > (b) we'll have to backport this quite a lot
> > (c) the spec issue is not a s390x-only issue
> > (d) it's still unclear how to best deal with the spec issue
> > 
> > I suggest getting this fix here upstream asap. It will neither making sorting out the spec issue easier nor harder :)
> > 
> > I can spot it in the s390 fixes tree already.
> 
> Makes sense to me. MST, ok with you to send via s390 tree?

Well, it is already part of a pull request:
https://lore.kernel.org/r/20250411100301.123863C11-hca@linux.ibm.com/

...and contains all the Acks that were given in this thread.