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Re: [Qemu-devel] QMP forward compatibility support
From: |
Luiz Capitulino |
Subject: |
Re: [Qemu-devel] QMP forward compatibility support |
Date: |
Wed, 13 Jan 2010 15:43:27 -0200 |
On Wed, 13 Jan 2010 18:38:57 +0100
Markus Armbruster <address@hidden> wrote:
> 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.
I forgot to mention we can block them, that's fine. :)
So, do we agree with the general design? I'll cook a RFC series.
- Re: [Qemu-devel] QMP forward compatibility support, (continued)
- 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, 2010/01/13
- Re: [Qemu-devel] QMP forward compatibility support,
Luiz Capitulino <=
- Re: [Qemu-devel] QMP forward compatibility support, Jamie Lokier, 2010/01/13