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Re: [Qemu-devel] QMP forward compatibility support
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] QMP forward compatibility support |
Date: |
Wed, 13 Jan 2010 18:38:57 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Luiz Capitulino <address@hidden> writes:
> On Wed, 13 Jan 2010 17:53:38 +0100
> Markus Armbruster <address@hidden> wrote:
>
>> Luiz Capitulino <address@hidden> writes:
[...]
>> > I'm thinking in something like this:
>> >
>> > 1. Connection is made, the greeting message is sent and QMP is
>> > in 'handshake mode'
>> >
>> > 2. In this mode only commands to enable/disable protocol
>> > capabilities are allowed
>> >
>> > 3. When the client is done with the setup, it issues the
>> > command 'enable-qmp', which puts the protocol into 'running mode',
>> > where any command is accepted
>>
>> Really "any command"? What about commands to enable/disable protocol
>> capabilities?
>
> I think that playing with some protocol bits might be safe, like
> enabling async messages.
>
> I'm not saying this is a good practice, but forbidding it seems a bit
> extreme at first.
Allowing stuff when it turns out to be needed is less painful than
outlawing stuff when it turns out to be problematic.
- [Qemu-devel] QMP forward compatibility support, Luiz Capitulino, 2010/01/11
- Re: [Qemu-devel] QMP forward compatibility support, Anthony Liguori, 2010/01/11
- Re: [Qemu-devel] QMP forward compatibility support, Daniel P. Berrange, 2010/01/11
- Re: [Qemu-devel] QMP forward compatibility support, Luiz Capitulino, 2010/01/11
- Re: [Qemu-devel] QMP forward compatibility support, Luiz Capitulino, 2010/01/12
- Re: [Qemu-devel] QMP forward compatibility support, Markus Armbruster, 2010/01/13
- Re: [Qemu-devel] QMP forward compatibility support, Luiz Capitulino, 2010/01/13
- Re: [Qemu-devel] QMP forward compatibility support,
Markus Armbruster <=
- Re: [Qemu-devel] QMP forward compatibility support, Luiz Capitulino, 2010/01/13
- Re: [Qemu-devel] QMP forward compatibility support, Jamie Lokier, 2010/01/13