From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Wed, 2 Apr 2008 17:54:10 +0000 (-0700)
Subject: xen: allow set_pte_at on init_mm to be lockless
X-Git-Tag: v2.6.26-rc1~1065^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2bd50036b5dfc929390ddc48be7f6314447b2be3;p=pandora-kernel.git

xen: allow set_pte_at on init_mm to be lockless

The usual pagetable locking protocol doesn't seem to apply to updates
to init_mm, so don't rely on preemption being disabled in xen_set_pte_at
on init_mm.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

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