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

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH][QEMU] Clear bios framebuffer with minimal writes
From: Gary Grebus <ggrebus@xxxxxxxxxxxxxxx>
Date: Thu, 25 Oct 2007 13:14:09 -0400
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ben Guthro <bguthro@xxxxxxxxxxxxxxx>
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On Thu, 2007-10-25 at 16:34 +0100, Keir Fraser wrote:

> Ugh, that is awkward. Did you do this hack before the stdvga
> emulation-in-xen and buffered-io patch that you guys also sent out today? I
> wonder whether that speeds up vga writes enough, or whether you needed this
> hack despite the speedups that other patch achieved? Overall, I guess I'm
> not against this patch even though it is a bit sleazy. :-) But obviously
> it's even better if the problem goes away by other means...
> 

This patch predates the stdvga emulation-in-xen and buffered-io changes.
I'll try with only the later changes and see if they are sufficient.

        /gary

-- 
Gary Grebus
Virtual Iron Software, Inc.



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