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

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Message-ID: <a6f667b2-ef7d-4636-ba3c-cf4afe8ff6c3@linux.ibm.com>
Date: Fri, 11 Apr 2025 13:11:55 +0200
From: Christian Borntraeger <borntraeger@...ux.ibm.com>
To: David Hildenbrand <david@...hat.com>, linux-kernel@...r.kernel.org
Cc: 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>, Heiko Carstens <hca@...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

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?