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Date: Wed, 9 Jan 2008 01:30:34 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Andi Kleen <ak@suse.de>,
       Glauber de Oliveira Costa <glommer@gmail.com>,
       Jan Beulich <jbeulich@novell.com>
Subject: Re: [PATCH 00 of 10] x86: unify asm/pgtable.h
Message-ID: <20080109003034.GA4658@elte.hu>
References: <patchbomb.1199829603@localhost> <20080108224244.GA3768@elte.hu> <20080108231226.GA10744@elte.hu> <478405DA.40303@goop.org> <20080108232803.GA19906@elte.hu> <20080108234449.GA24274@elte.hu> <20080109000146.GA29095@elte.hu> <47841194.2010208@goop.org> <20080109002014.GB31289@elte.hu> <20080109002803.GA3732@elte.hu>
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* Ingo Molnar <mingo@elte.hu> wrote:

> > >>>  #define __PAGE_KERNEL_EXEC						\
> > >>> -	(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL)
> > >>> +	(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED)
> > >>>     
> > >
> > > This shouldn't be necessary.  The old 64-bit code defined everything 
> > > without _PAGE_GLOBAL, but then used a MAKE_GLOBAL() macro to OR it 
> > > in later.  This seemed a bit roundabout to me, so I just put it in 
> > > from the outset.
> 
> actually, this is wrong.
> 
> a couple of places use __PAGE_* values, which you've now changed to 
> include the _PAGE_GLOBAL flag.

yep, fixing this resolves the crash.

	Ingo