Re: [Xen-devel] [PATCH] patch to buffer write ioreq

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 22 Jun 2006, at 16:12, Dong, Eddie wrote:

> > For example -- I know that qemu 'updates graphics' on a polling timer
> > loop. Would we need to have that in Xen to produce the final linear
> > frame buffer, or could the VGA device model easily keep the
> > framebuffer up to date as it goes (ie., on every mmio or port write)?
> I may understand mistakely, I am not clear how Xen can manipulate
> HW frame buffer. It is under control of X-Windows or VNC server.
No, it would update a RAM virtual linear framebuffer which it would 
share with backend code running in domain 0.
 -- Keir


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