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Date: Wed, 13 Sep 2017 18:58:27 +0200
From: Cornelia Huck <cohuck@redhat.com>
Message-ID: <20170913185827.1f7790f2.cohuck@redhat.com>
In-Reply-To: <20170913132417.24384-1-david@redhat.com>
References: <20170913132417.24384-1-david@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v5 00/22] s390x cleanups and CPU hotplug
 via device_add
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To: David Hildenbrand <david@redhat.com>
Cc: qemu-devel@nongnu.org, Richard Henderson <richard.henderson@linaro.org>, thuth@redhat.com, borntraeger@de.ibm.com, Alexander Graf <agraf@suse.de>, Eduardo Habkost <ehabkost@redhat.com>, Matthew Rosato <mjrosato@linux.vnet.ibm.com>, Paolo Bonzini <pbonzini@redhat.com>, Markus Armbruster <armbru@redhat.com>, Igor Mammedov <imammedo@redhat.com>

On Wed, 13 Sep 2017 15:23:55 +0200
David Hildenbrand <david@redhat.com> wrote:

> The first patches are a bunch of cleanups. I decided to go the
> extra mile and implement CPU hotplug via "device_add", as well as
> "query-hotpluggable-cpus".
> 
> On s390x, only complete cores can be plugged. CPU hot unplug is currently
> not supported by the architecture.
> 
> Support for hotplugging CPUs in random core-id order (last two patches)
> is added. We once hat a KVM bug preventing this, but the stable patch
> should now be included in relevant places - 152e9f65d66f ("KVM: s390: fix
> wrong lookup of VCPUs by array index"). Current tooling will plug them in
> sequential order anyway, so it should not hurt.

Thanks, applied.