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[Xen-devel] Re: 32-bit Xen disabled buffered IO for HVM guest' VGA. Why?

To: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>, Robert Phillips <rphillips@xxxxxxxxxxxxxxx>
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Thu, 15 Nov 2007 14:38:49 +0000
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "You, Yongkang" <yongkang.you@xxxxxxxxx>
Delivery-date: Thu, 15 Nov 2007 06:39:42 -0800
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AcglEYBBLfQGtVr0SiqUrTl5UwQ8KgCWfOjgAApyBuE=
Thread-topic: 32-bit Xen disabled buffered IO for HVM guest' VGA. Why?

On 15/11/07 10:28, "Cui, Dexuan" <dexuan.cui@xxxxxxxxx> wrote:

> If this is a bug introduced by c/s 16240, we should fix it ASAP,
> because:
> Now, in 32-bit Xen, we have no any buffering at all, causing the bug
> 1102; and if you use grub's splashimage, you would find nobody can
> tolerate the rather poor VGA performance....

It's on my todo list. It's not hard to fix this.

 -- Keir



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