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Date: Wed, 01 May 2013 10:54:27 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Andy Lutomirski <luto@amacapital.net>
CC: "Theodore Ts'o" <tytso@mit.edu>, Borislav Petkov <bp@alien8.de>,
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Subject: Re: [PATCH v5] x86: Enable fast strings on Intel if BIOS hasn't already
References: <3cdeaedaa41e258e8aa9ca83d79a936e0b9462bc.1367385613.git.luto@amacapital.net> <20130501113352.GA29571@pd.tnic> <20130501163404.GA6286@thunk.org> <518145F6.3060800@zytor.com> <CALCETrX0WEGJ0UZz6PyQ4DrnpGg52S0cArDYLQ9Yjz3uic_N4A@mail.gmail.com> <51815252.4010103@zytor.com> <CALCETrWa64s2bMVq9xJ5FBg2NH8501V-YThVO7CrJa7-0-TVHg@mail.gmail.com>
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On 05/01/2013 10:50 AM, Andy Lutomirski wrote:
> 
> Isn't the upper half incompatible with large pages?
> 

No, just with attributes *on the page tables themselves*.

	-hpa