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SubjectRe: [PATCH kernel v11 21/34] powerpc/powernv/ioda2: Add TCE invalidation for all attached groups
On Fri, May 29, 2015 at 06:44:45PM +1000, Alexey Kardashevskiy wrote:
> The iommu_table struct keeps a list of IOMMU groups it is used for.
> At the moment there is just a single group attached but further
> patches will add TCE table sharing. When sharing is enabled, TCE cache
> in each PE needs to be invalidated so does the patch.
> This does not change pnv_pci_ioda1_tce_invalidate() as there is no plan
> to enable TCE table sharing on PHBs older than IODA2.
> Signed-off-by: Alexey Kardashevskiy <>

Reviewed-by: David Gibson <>

David Gibson | I'll have my music baroque, and my code
david AT | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
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