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Name: unknown
Date: February 18, 2004 at 21:42:45
Subject: Re: Intel "AMD64" docs posted
In Reply To: Re: Intel "AMD64" docs posted by
unknown on February 18, 2004 at 08:35:20
Text: || 1. No NX bit in page descriptors.
|| - Looks like Intel is missing something important here.
|
| They probably forgot to add that to the doc.

No. If you look at the cpuid feature-bit description in the IA32e pdf, it
says function 80000001-edx bits 28-21 are reserved, and bits 19-12 are
reserved, with no mention at all of bit 20 (the NX feature bit).

Looks like it was in the doc, and pulled out later on.




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