From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2001:1868:205::9]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id AE1361A04D3 for ; Sat, 3 Oct 2015 03:26:05 +1000 (AEST) Date: Fri, 2 Oct 2015 10:25:44 -0700 From: Christoph Hellwig To: Nishanth Aravamudan Cc: Matthew Wilcox , Alexey Kardashevskiy , Benjamin Herrenschmidt , linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, Keith Busch , Paul Mackerras , Michael Ellerman , linuxppc-dev@lists.ozlabs.org, David Gibson Subject: Re: [PATCH 2/2] drivers/nvme: default to the IOMMU page size on Power Message-ID: <20151002172544.GA16139@infradead.org> References: <20151002171606.GA41011@linux.vnet.ibm.com> <20151002171800.GB41011@linux.vnet.ibm.com> <20151002172313.GC41011@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20151002172313.GC41011@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Nishanth, please expose this value through the generic DMA API instead of adding architecture specific hacks to drivers.