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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>, Ben Guthro <bguthro@xxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: 32-bit Xen disabled buffered IO for HVM guest' VGA. Why? |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Fri, 16 Nov 2007 13:59:01 +0000 |
| Cc: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "You, Yongkang" <yongkang.you@xxxxxxxxx> |
| Delivery-date: | Fri, 16 Nov 2007 06:00:02 -0800 |
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| Thread-topic: | 32-bit Xen disabled buffered IO for HVM guest' VGA. Why? |
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That'll limit you to about 14 HVM domains, which isn't great. I'll put in a patch later today. -- Keir On 16/11/07 11:52, "Cui, Dexuan" <dexuan.cui@xxxxxxxxx> wrote: > Keir Fraser wrote: >> 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. > > Well, I attached a patch. Please apply it. > > Thanks! > -- Dexuan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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