linux-kernel - Re: PAE/NX without performance drain?

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Message-Id: <1165779603.27217.231.camel@laptopd505.fenrus.org>
Date:	Sun, 10 Dec 2006 20:40:03 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	John Richard Moser <nigelenki@...cast.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: PAE/NX without performance drain?

> 
> Too bad PAE can't be detected at boot time; someone else mentioned that
> some recent Pentium M laptops (and anything older than PPro) don't boot
> if PAE is on.

even Windows has 2 kernel binaries for this case btw, it's really really
really hard.

> I want my hardware NX bit working in Ubuntu without having to recompile
> my kernel dammit.

other distros ship a PAE enabled kernel, and use that for NX enabled
machines (all NX capable machines support PAE obviously). I'm surprised
Ubuntu doesn't, maybe ask them? (Or use a distro that does have this)

-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org

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