Re: [Qemu-devel] [qemu-s390x] [PATCH v1 3/5] s390-ccw: parse and set boot menu options

[David Hildenbrand]

On 29.11.2017 23:33, Collin L. Walling wrote:
> On 11/29/2017 05:28 PM, David Hildenbrand wrote:
>> On 27.11.2017 21:55, Collin L. Walling wrote:
>>> Set boot menu options for an s390 guest and store them in
>>> the iplb. These options are set via the QEMU command line
>>> option:
>>>
>>>      -boot menu=on|off[,splash-time=X]
>>>
>>> or via the libvirt domain xml:
>>>
>>>      <os>
>>>        <bootmenu enable='yes|no' timeout='X'/>
>>>      </os>
>>>
>>> Where X represents some positive integer representing
>>> milliseconds.
>> Aren't this properties usually contained in the zIPL block? (e.g.
>> written and configured by zipl)
>>
> I believe the timeout value is nestled in there somewhere, yes.
> However it was requested that we control the boot menu timeout value
> via the Qemu command line instead. :)
> 

Wonder if it makes sense to always act like the zIPL loader (display
menu/timeout) but allow to overwrite it via cmd line.

-- 

Thanks,

David / dhildenb