Re: [Xen-devel] [PATCH][QEMU] Clear bios framebuffer with minimal writes

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 24/10/07 22:04, "Ben Guthro" <bguthro@xxxxxxxxxxxxxxx> wrote:

> Support for VGA bios to clear framebuffer with minimal writes.
> 
> Signed-off-by: Ben Guthro <bguthro@xxxxxxxxxxxxxx>
> Signed-off-by: Gary Grebus <ggrebus@xxxxxxxxxxxxxxx>

Is this really just a workaround for the insane-sounding case of Vista
clearing the screen, as described in one of the comments? Do I understand
correctly, and it looks like Vista does 4096 writes for each iteration of
the rep stosw?

 -- Keir



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