From: Joerg Roedel <joerg.roedel@amd.com>
Date: Mon, 6 Jun 2011 14:50:14 +0000 (+0200)
Subject: x86/amd-iommu: Fix boot crash with hidden PCI devices
X-Git-Tag: v3.0-rc3~39^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26018874e3584f1658570d41d57d4c34f6a53aa0;p=pandora-kernel.git

x86/amd-iommu: Fix boot crash with hidden PCI devices

Some PCIe cards ship with a PCI-PCIe bridge which is not
visible as a PCI device in Linux. But the device-id of the
bridge is present in the IOMMU tables which causes a boot
crash in the IOMMU driver.
This patch fixes by removing these cards from the IOMMU
handling. This is a pure -stable fix, a real fix to handle
this situation appriatly will follow for the next merge
window.

Cc: stable@kernel.org	# > 2.6.32
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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