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

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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