Re: [Xen-devel] [PATCH] support protected mode mmio with non-zero CS base

[Keir Fraser <keir@xxxxxxxxxxxxx>]

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


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