From: Joerg Roedel <joro@8bytes.org>
Date: Tue, 9 Apr 2013 14:35:28 +0000 (+0200)
Subject: iommu/amd: Add ioapic and hpet ivrs override
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~25^2^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=440e899805411d827d4fcce9eb37bf2417c812db;p=pandora-kernel.git

iommu/amd: Add ioapic and hpet ivrs override

Add two new kernel commandline parameters ivrs_ioapic and
ivrs_hpet to override the Id->DeviceId mapping from the IVRS
ACPI table. This can be used to work around broken BIOSes to
get interrupt remapping working on AMD systems.

Tested-by: Borislav Petkov <bp@suse.de>
Tested-by: Suravee Suthikulanit <suravee.suthikulpanit@amd.com>
Reviewed-by: Shuah Khan <shuahkhan@gmail.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
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