From: Andi Kleen <ak@suse.de>
To: Joseph Pingenot <trelane@digitasaru.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: IA64/x86-64 and execution protection support?
Date: 03 Nov 2003 21:20:24 +0100 [thread overview]
Message-ID: <p738ymx8arb.fsf@oldwotan.suse.de> (raw)
In-Reply-To: <20031103144932.GC31953@digitasaru.net.suse.lists.linux.kernel>
Joseph Pingenot <trelane@digitasaru.net> writes:
> Does the Linux kernel have support for preventing execution of certain
> memory regions on those architectures?
> Also, I know that some implementations of x86 stack protection are out there;
> I've not seen them in the vanilla kernels; is there any plan to implement
> them?
The x86-64 port supports no-execution for stack and heap and other
memory areas, but it is not enabled by default because it breaks some
software. You can enable it with the noexec= boot parameter. See
Documentation/x86_64/boot-options.txt for details.
-Andi
next parent reply other threads:[~2003-11-18 13:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20031103144932.GC31953@digitasaru.net.suse.lists.linux.kernel>
2003-11-03 20:20 ` Andi Kleen [this message]
2003-11-03 14:49 Joseph Pingenot
2003-11-03 16:49 ` David Mosberger
2003-11-03 20:21 ` Bryan O'Sullivan
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