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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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