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

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> Keir Fraser <keir@xxxxxxxxxxxxx> 22.11.06 12:44 >>>
>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

Maybe a mere misunderstanding - I meant to say that I got convinced to
have no real mode specific code there (and I changed my internal patch,
which got meanwhile extended quite a bit [will post later once I tested
VMX], accordingly).

>checked it in as-is. But the realmode-specific path will go away in a future
>patch, I'm quite sure.

Jan

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