iommu/amd: Add ioapic and hpet ivrs override
authorJoerg Roedel <joro@8bytes.org>
Tue, 9 Apr 2013 14:35:28 +0000 (16:35 +0200)
committerJoerg Roedel <joro@8bytes.org>
Fri, 19 Apr 2013 18:52:17 +0000 (20:52 +0200)
commit440e899805411d827d4fcce9eb37bf2417c812db
tree0316e0431180fd838a4ad02b22873a1ca2c0c452
parent235dacbc795bb7ccf69db8ad9ff1587314cf857d
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>
drivers/iommu/amd_iommu_init.c