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Date: Thu, 10 Dec 2015 11:23:34 -0800
From: Kees Cook <>
To: "" <>
Cc: Catalin Marinas <>, PaX Team <>, 
	Michael Ellerman <>, Heiko Carstens <>, 
	Ralf Baechle <>
Subject: Re: Self Introduction

On Thu, Dec 10, 2015 at 11:07 AM, Daniel Micay <> wrote:
>> Yeah. PCID was Sandybridge and later?
> Yeah, that's right. And it defaults to the strong PCID implementation,
> but there's also a weaker but significantly faster PCID-based one.

Is there anyone from Intel on the list? I would love to see UDEREF
ported to upstream on x86 (and the non PCID version too). No one has
stepped up to work on it yet.

As for non-ARM and non-x86, IIRC s/390 has always had PAN, and I'd
love to update the matrix for powerpc and MIPS.


Kees Cook
Chrome OS & Brillo Security

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