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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

       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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