From: David Woodhouse <David.Woodhouse@intel.com>
Date: Sat, 4 Apr 2009 00:45:37 +0000 (+0100)
Subject: intel-iommu: Handle PCI domains appropriately.
X-Git-Tag: v2.6.30-rc1~175^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=276dbf997043cbf38f0087624e0f9c51742c8885;p=pandora-kernel.git

intel-iommu: Handle PCI domains appropriately.

We were comparing {bus,devfn} and assuming that a match meant it was the
same device. It doesn't -- the same {bus,devfn} can exist in
multiple PCI domains. Include domain number in device identification
(and call it 'segment' in most places, because there's already a lot of
references to 'domain' which means something else, and this code is
infected with ACPI thinking already).

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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