Re: [PATCH 7/9] iommu/amd: Add ioapic and hpet ivrs override

From: Suravee Suthikulanit
Date: Thu Apr 11 2013 - 17:40:28 EST


On 4/9/2013 3:29 PM, Joerg Roedel wrote:
On Tue, Apr 09, 2013 at 10:13:02PM +0200, Joerg Roedel wrote:
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.

Signed-off-by: Joerg Roedel <joro@xxxxxxxxxx>
Forgot to add:

Tested-by: Borislav Petkov <bp@xxxxxxx>
I also tested on some other systems here and the patch works also.

Suravee
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