From: Youquan Song <youquan.song@intel.com>
Date: Mon, 7 Sep 2009 14:58:07 +0000 (-0400)
Subject: intel-iommu: Disallow interrupt remapping if not all ioapics covered
X-Git-Tag: v2.6.32-rc1~162^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e936d0773df172ec8600777fdd72bbc1f75f22ad;p=pandora-kernel.git

intel-iommu: Disallow interrupt remapping if not all ioapics covered

Current kernel enable interrupt remapping only when all the vt-d unit support
interrupt remapping. So it is reasonable we should also disallow enabling
intr-remapping if there any io-apics that are not listed under vt-d units.
Otherwise we can run into issues.

Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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