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Re: [Qemu-devel] Re: [PATCH v2 12/15] monitor: Add basic device state vi

From: Markus Armbruster
Subject: Re: [Qemu-devel] Re: [PATCH v2 12/15] monitor: Add basic device state visualization
Date: Mon, 31 May 2010 13:07:14 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)

Jan Kiszka <address@hidden> writes:

> Markus Armbruster wrote:
>> Jan Kiszka <address@hidden> writes:
>>> Avi Kivity wrote:
>>>> On 05/29/2010 11:14 AM, Jan Kiszka wrote:
>>>>>> Currently breaks down when IDs contain '/', but permitting that is a
>>>>>> bug.  There may be more problems; the path lookup code is way too
>>>>>> clever.
>>>>> Indeed. Less can sometimes be more. My impression is that some of the
>>>>> cleverness was motivated by lacking qtree completion for the HMP.
>>>> Can we disable abbreviations for QMP and only allow them for HMP?
>>>> We can support that by adding a hidden argument to commands specifying
>>>> whether the input comes from a human or machine.  Abbreviations are
>>>> dangerous if they become ambiguous; a human can recover while a machine
>>>> can't.
>>> Both QMP _and_ HMP suffer from ambitious and inconsistent addressing
>>> schemes. Therefore, I'm more and more in favor of [1]. We just need to
>>> add command line completion for option values, something that would be
>>> beneficial for 'drive_add file=...' as well.
>>> Jan
>>> [1] http://article.gmane.org/gmane.comp.emulators.qemu/72152
>> [1] = abolish the clever abbreviations in path lookup.  I agree we
>> should do that.
> Fine. No concerns regarding overlaying IDs and path specifications as well?

I'm fine with that.

Calling the overlayed argument "id" is not so nice.  We got a bunch of
other not-so-nice names in QMP, maybe we'll have a flag day to clean
them all up.

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