linux-kernel - Re: [PATCH BUGFIX] xen: don't drop NX bit

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Date:	Mon, 16 Jun 2008 04:42:24 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ingo Molnar <mingo@...e.hu>
CC:	the arch/x86 maintainers <x86@...nel.org>,
	Stable Kernel <stable@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH BUGFIX] xen: don't drop NX bit

Jeremy Fitzhardinge wrote:
> When converting the pfn/mfn in a pagetable entry, make sure we mask
> out the protection flags properly.  Formerly, this code was losing the
> NX bit, and not dealing with extra Xen-defined software flags in ptes.
>
> Because NX is now enforced properly, we must put the hypercall page
> into the .text segment so that it is executable.

Oops, ignore this.  This depends on another unposted patch.  I'll repost 
shortly.

    J
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