From: Arjan van de Ven <arjan@infradead.org>
To: "Aaron Gray" <aaronngray.lists@googlemail.com>
Cc: "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: Does Linux support Data Exectiion Protection ?
Date: Wed, 29 Jul 2009 07:36:45 -0700 [thread overview]
Message-ID: <20090729073645.13f72a33@infradead.org> (raw)
In-Reply-To: <864C1A9245EB4A3581996E6477890451@HPLAPTOP>
On Wed, 29 Jul 2009 15:08:35 +0100
"Aaron Gray" <aaronngray.lists@googlemail.com> wrote:
> Does Linux suppoert DEP, on newer x86 CPU's ?
it does and has been for the better part of at least 5 years.
> I am wondering as this does effect alot of VM's using JIT technology
> if they are wriiten without proper code memory allocation.
given how old our support is, all JITs seem to be working.
In addition there is a compatibility provision for legacy binaries
implemented.
> This is a
> problem for StrongTalk and FoNC' IDC. If EP is availiable how
> configurable is it ?
just make sure you use 64 bit pagetables (either a 64 bit kernel or a
32 bit kernel with PAE support) and you get the support.
--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
prev parent reply other threads:[~2009-07-29 14:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-29 14:08 Aaron Gray
2009-07-29 14:36 ` Arjan van de Ven [this message]
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