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Re: [Qemu-devel] [Qemu PATCH v2] add a boot option to do strict boot

From: Anthony Liguori
Subject: Re: [Qemu-devel] [Qemu PATCH v2] add a boot option to do strict boot
Date: Tue, 22 Jan 2013 12:26:03 -0600
User-agent: Notmuch/0.13.2+93~ged93d79 (http://notmuchmail.org) Emacs/23.3.1 (x86_64-pc-linux-gnu)

Eric Blake <address@hidden> writes:

> On 01/22/2013 08:52 AM, Amos Kong wrote:
>>>> Libvirt will need to expose an attribute that lets the user control
>>>> whether to use this new option; how do we probe via QMP whether the
>>>> new
>>>> -boot strict=on command-line option is available?
>>> Hi all,
>>> How about add new info/query command?
>>> (hmp) info strict-boot
>>>       on
>>> (qmp) {"execute": "query-strict-boot"}
>>>       {"return": {"state": true}}
>> It might be not a good solution, I already updated qemu-options.hx,
>> we can check help message to know if this new option is added or not.
> Having libvirt probe the -help output is out of the question.  We
> already declared that for qemu 1.3 and beyond, ALL command line behavior
> must ALSO be probe-able via QMP.  I think Anthony had a trick for
> testing for existence of various command line options without needing to
> add a new query-strict-boot command, but I don't remember what that
> trick was.

We need a generic query-config-schema command.


Anthony Liguori

> -- 
> Eric Blake   eblake redhat com    +1-919-301-3266
> Libvirt virtualization library http://libvirt.org

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