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Re: [Xen-devel] [PATCH] support protected mode mmio with non-zero CS bas
| To: | Jan Beulich <jbeulich@xxxxxxxxxx>, Mats Petersson <Mats.Petersson@xxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] support protected mode mmio with non-zero CS base |
| From: | Keir Fraser <keir@xxxxxxxxxxxxx> |
| Date: | Wed, 22 Nov 2006 11:44:14 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Wed, 22 Nov 2006 03:44:33 -0800 |
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| Thread-topic: | [Xen-devel] [PATCH] support protected mode mmio with non-zero CS base |
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On 22/11/06 11:24, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: >> Yes, but it's also possibly incorrect if the machine is in "big >> realmode", which is an entirely valid way to run code in x86 processors, >> and I think it's better to fix it "properly" than to have to fix it >> again when someone finds another fault in the code, because someone >> wrote some code differently. > > I meanwhile got convinced by Keir that this is indeed the better way. Actually I disagree with you, but the patch was a strict improvement so I checked it in as-is. But the realmode-specific path will go away in a future patch, I'm quite sure. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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