From: Cornelia Huck <cohuck@redhat.com>
To: qemu-devel@nongnu.org
Cc: borntraeger@de.ibm.com, agraf@suse.de, rth@twiddle.net, thuth@redhat.com
Subject: Re: [Qemu-devel] [PATCH] s390x/sclp: mark sclp-cpu-hotplug as non-usercreatable
Date: Thu, 5 Oct 2017 10:04:59 +0200 [thread overview]
Message-ID: <20171005100459.4189c06e.cohuck@redhat.com> (raw)
In-Reply-To: <20171004154647.7572-1-cohuck@redhat.com>
On Wed, 4 Oct 2017 17:46:47 +0200
Cornelia Huck <cohuck@redhat.com> wrote:
> A TYPE_SCLP_CPU_HOTPLUG device for handling cpu hotplug events
> is already created by the sclp event facility. Adding a second
> TYPE_SCLP_CPU_HOTPLUG device via -device sclp-cpu-hotplug creates
> an ambiguity in raise_irq_cpu_hotplug(), leading to a crash once
> a cpu is hotplugged.
>
> To fix this, disallow creating a sclp-cpu-hotplug device manually.
>
> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> ---
> hw/s390x/sclpcpu.c | 6 ++++++
> 1 file changed, 6 insertions(+)
Queued to s390-next.
prev parent reply other threads:[~2017-10-05 8:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-04 15:46 [Qemu-devel] [PATCH] s390x/sclp: mark sclp-cpu-hotplug as non-usercreatable Cornelia Huck
2017-10-04 16:09 ` Thomas Huth
2017-10-05 6:53 ` Christian Borntraeger
2017-10-05 8:04 ` Cornelia Huck [this message]
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