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Date:	Tue, 9 Sep 2008 13:27:44 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Alex Nixon <alex.nixon@...rix.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>
Subject: Re: [PATCH] Xen: Fix pte unpin BUG when !CONFIG_SMP


* Alex Nixon <alex.nixon@...rix.com> wrote:

> We still need to pin PTEs, even if there are no PTE locks.  Otherwise we'll BUG whenever there aren't 
> PTE locks (i.e. whenever NR_CPUS < CONFIG_SPLIT_PTLOCK_CPUS), as we try to unpin PTEs which were 
> never pinned in the first place.
> 
> Signed-off-by: Alex Nixon <alex.nixon@...rix.com>

applied to tip/x86/xen, thanks Alex.

	Ingo
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