Re: [Xen-devel] [RFC] PVFB: Add refresh period to XenStore parameters?

[Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>]

Markus Armbruster, le Wed 05 Mar 2008 09:03:51 +0100, a écrit :
> Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx> writes:
> 
> > Markus Armbruster, le Tue 04 Mar 2008 18:06:26 +0100, a écrit :
> >> Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx> writes:
> >> > Markus Armbruster, le Tue 04 Mar 2008 16:48:20 +0100, a écrit :
> >> >> * The domU writes to a framebuffer provided by the frontend.
> >> >>
> >> >> * The framebuffer (not a copy of it) can be shared with the backend,
> >> >>   which only reads.
> >> >
> >> > Well, that's not always the case, when the guest is in text mode for
> >> > instance, the PV shared buffer is converted from the guest text buffer.
> >> 
> >> Optimize for the common case.  Which I figure is a 32 bpp framebuffer.
> >
> > Cirrus VGA is 24bpp max :)
> 
> I read that as a sign that you're abusing the PVFB stuff for something
> it wasn't meant to do: emulating some craptastic piece of vintage junk
> :)

Yep, ask the qemu developper who chose that model.

Samuel

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