Re: [Xen-devel] [PATCH RFC 2/2] AMD IOMMU: allow command line overrides for broken IVRS tables

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 27.08.13 at 13:09, Sander Eikelenboom <linux@xxxxxxxxxxxxxx> wrote:
>> Would the syntax be the same as linux ?
>> f.e. ivrs_ioapic[6]=00:14.0 for my case ?

Yes.

>> I'm asking because using it on the command line seems to enable the iommu 
> fine (which it shouldn't without the override), but i don't seem to see the
>> "IVHD: Command line override present for IO-APIC %#x" in my xl dmesg... 
> 
> Hrrrmm could it be due to the fact that in my case it actually shouldn't 
> override a present IVRS entry, but add a extra one ?

Yes. Does Linux print something even in that case?

Jan


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