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SubjectRe: iommu: it could use some documentation
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Ingo Molnar <mingo@elte.hu> writes:
>
> > + iommu= [x86]
> > + off
> > + force
> > + noforce
> > + biomerge
> > + panic
> > + nopanic
> > + merge
> > + nomerge
> > + forcesac
> > + soft
>
> these are mostly quirks to get boards booting

Actually no. Except perhaps for iommu=soft none of them is related
to any hardware issues. They all tune various performance trade offs
and were supplied for performance tuning originally.

-Andi


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