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Date: Mon, 1 Jun 2015 16:49:22 +1000
From: David Gibson <david@gibson.dropbear.id.au>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: linuxppc-dev@lists.ozlabs.org,
 Alex Williamson <alex.williamson@redhat.com>,
 Benjamin Herrenschmidt <benh@kernel.crashing.org>,
 Gavin Shan <gwshan@linux.vnet.ibm.com>,
 Paul Mackerras <paulus@samba.org>, kvm@vger.kernel.org,
 linux-kernel@vger.kernel.org
Subject: Re: [PATCH kernel v11 21/34] powerpc/powernv/ioda2: Add TCE
 invalidation for all attached groups
Message-ID: <20150601064922.GM22789@voom.redhat.com>
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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.
>=20
> This does not change pnv_pci_ioda1_tce_invalidate() as there is no plan
> to enable TCE table sharing on PHBs older than IODA2.
>=20
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>

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

--=20
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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