[Qemu-devel] Re: [PATCH v1 00/14]: Initial QObject conversion

[Avi Kivity]

On 10/01/2009 05:50 PM, Luiz Capitulino wrote:
>   Hi there,
>
>   This series is an updated version of my initial QObject conversion series,
> which adds the needed infrastructure to incrementally support new style
> QObject handlers without breaking the current ones.
>
>   Some people have suggested that we should have a better error handling
> in the Monitor, in the meaning that error information should be correctly
> propagated and handled in order to be used by the Monitor Protocol and
> the existing user protocol.
>
>   This series introduces the MonitorError data type to solve that problem,
> it's used as part of the new infrastructure.
>
>   Additionally the following handlers are converted: do_quit(), do_stop(),
> do_system_reset(), do_system_powerdown(), do_balloon(), do_info_version(),
> do_info_balloon().
>
>   I've done a full build of QEMU with this series applied on Fedora 11 x86_64
> and Debian Lenny i386, also tested manually all converted commands plus some
> easy ones.
>
>   Please, review this carefully as some design decisions made here will
> have impact in the Monitor Protocol.
>
>    

Looks good to me.

Regarding info, I think the machine protocol should manage it as 
separate commands ("info-cpus" instead of "info"("cpus")).  Having a 
function which returns wildly different return types (a string for 
version, a device tree for qdev) is unwieldy.

--
Do not meddle in the internals of kernels, for they are subtle and quick to 
panic.