From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Tue, 16 Dec 2008 20:32:23 +0000 (-0800)
Subject: x86: make sure we really have an hpet mapping before using it
X-Git-Tag: v2.6.29-rc1~571^2^3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=39c04b55240342d0742ac48538d3d8c71bfc0a94;p=pandora-kernel.git

x86: make sure we really have an hpet mapping before using it

Impact: prepare the hpet code for Xen dom0 booting

When booting in Xen dom0, the hpet isn't really accessible, so make
sure the mapping is non-NULL before use.

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