WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

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

To: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>, Robert Phillips <rphillips@xxxxxxxxxxxxxxx>
Subject: [Xen-devel] Re: 32-bit Xen disabled buffered IO for HVM guest' VGA. Why?
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
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <FE7BBCFBB500984A9A7922EBC95F516E70F550@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcglEYBBLfQGtVr0SiqUrTl5UwQ8KgCWfOjgAApyBuE=
Thread-topic: 32-bit Xen disabled buffered IO for HVM guest' VGA. Why?
User-agent: Microsoft-Entourage/11.3.6.070618
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



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel