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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 <aik@ozlabs.ru>

    Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

    --
    David Gibson | I'll have my music baroque, and my code
    david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
    | _way_ _around_!
    http://www.ozlabs.org/~dgibson
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