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Re: [qemu-s390x] [PATCH v1 for-2.12 0/5] s390x/tcg: CCW hotplug support

From: David Hildenbrand
Subject: Re: [qemu-s390x] [PATCH v1 for-2.12 0/5] s390x/tcg: CCW hotplug support
Date: Mon, 4 Dec 2017 18:00:31 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0

On 04.12.2017 17:56, Cornelia Huck wrote:
> On Mon,  4 Dec 2017 13:55:00 +0100
> David Hildenbrand <address@hidden> wrote:
>> Hotplugging a ccw device currently fails due to different reasons.
>> 1. The stored machine check information is partially wrong.
>> 2. The TOD programmable field cannot be restored.
>> 3. STCRW cannot get executed.
>> With these patches, I am able to sucessfully hotplug e.g. virtio-rng by
>> issuing "device_add virtio-rng-ccw,id=rng0" to a Linux guest.
> Thank you for taking care of my unpublished todo list ;)
> Does device_del also work?

I did a very quick test and it seemed to work. (I remember seeing
notifications in dmesg)



David / dhildenb

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