linux-kernel - Re: [PATCH 2/2] drivers/nvme: default to the IOMMU page size on Power

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Message-ID: <20151002172544.GA16139@infradead.org>
Date:	Fri, 2 Oct 2015 10:25:44 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Nishanth Aravamudan <nacc@...ux.vnet.ibm.com>
Cc:	Matthew Wilcox <willy@...ux.intel.com>,
	Alexey Kardashevskiy <aik@...abs.ru>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
	Keith Busch <keith.busch@...el.com>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>,
	linuxppc-dev@...ts.ozlabs.org,
	David Gibson <david@...son.dropbear.id.au>
Subject: Re: [PATCH 2/2] drivers/nvme: default to the IOMMU page size on Power

Hi Nishanth,

please expose this value through the generic DMA API instead of adding
architecture specific hacks to drivers.
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