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Re: [Qemu-devel] [PATCH v2 1/2] console: add hw_screen_dump_async


From: Luiz Capitulino
Subject: Re: [Qemu-devel] [PATCH v2 1/2] console: add hw_screen_dump_async
Date: Mon, 5 Mar 2012 14:31:42 -0300

On Mon, 05 Mar 2012 11:27:07 -0600
Anthony Liguori <address@hidden> wrote:

> On 03/05/2012 11:20 AM, Avi Kivity wrote:
> > On 03/05/2012 04:33 PM, Anthony Liguori wrote:
> >>
> >>
> >> async in QEMU doesn't mean "generate a QMP event when you're done".
> >> It should mean execute this closure when you finish (function pointer
> >> + opaque).
> >>
> >> The QMP event should be dispatched from the closure such that the
> >> screendump code doesn't have to have a direct dependency on QMP.
> >>
> >
> > What about using the parallel execution facility of qmp?  It's silly to
> > duplicate every command X with X-async and X-COMPLETED.
> 
> We need to switch over to QAPI to get there.  We're pretty close to being 
> there. 
>   Luiz, about how long do you think before we get there?

It's a bit hard to tell, because it depends on upstream review plus me not
being bogged down with other stuff. But maybe in around two weeks when I
resume my work on this.



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