From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751944AbbEEQSJ (ORCPT ); Tue, 5 May 2015 12:18:09 -0400 Received: from 8bytes.org ([81.169.241.247]:51972 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751440AbbEEQSE (ORCPT ); Tue, 5 May 2015 12:18:04 -0400 Date: Tue, 5 May 2015 18:18:02 +0200 From: Joerg Roedel To: Yong Wu Cc: Will Deacon , Matthias Brugger , Robin Murphy , Tomasz Figa , Lucas Stach , linux-mediatek@lists.infradead.org, Sascha Hauer , srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org Subject: Re: [RFC PATCH] iommu: add ARM short descriptor page table allocator. Message-ID: <20150505161802.GA20611@8bytes.org> References: <1430206881-18294-1-git-send-email-yong.wu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1430206881-18294-1-git-send-email-yong.wu@mediatek.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 28, 2015 at 03:41:21PM +0800, Yong Wu wrote: > This patch is for ARM Short Descriptor Format.It has 2-levels > pagetable and the allocator supports 4K/64K/1M/16M. > > Signed-off-by: Yong Wu > --- > drivers/iommu/Kconfig | 7 + > drivers/iommu/Makefile | 1 + > drivers/iommu/io-pgtable-arm-short.c | 489 +++++++++++++++++++++++++++++++++++ > drivers/iommu/io-pgtable.c | 4 + > drivers/iommu/io-pgtable.h | 6 + > 5 files changed, 507 insertions(+) > create mode 100644 drivers/iommu/io-pgtable-arm-short.c What is the context of this, where will it be used? Joerg