From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: Re: [RFC PATCH] iommu: add ARM short descriptor page table allocator. Date: Mon, 11 May 2015 11:40:31 +0100 Message-ID: <20150511104030.GA4795@arm.com> References: <1430206881-18294-1-git-send-email-yong.wu@mediatek.com> <20150505161802.GA20611@8bytes.org> <20150505170541.GN1550@arm.com> <20150511101309.GH20611@8bytes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20150511101309.GH20611-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Joerg Roedel Cc: "srv_heupstream-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Tomasz Figa , "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , "linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , Sascha Hauer , Matthias Brugger , Yong Wu , Lucas Stach List-Id: iommu@lists.linux-foundation.org On Mon, May 11, 2015 at 11:13:09AM +0100, Joerg Roedel wrote: > On Tue, May 05, 2015 at 06:05:41PM +0100, Will Deacon wrote: > > I think the MT8173 IOMMU [1] uses this format and, since it's part of > > the ARM architecture, the ARM SMMU can make use of it too if the > > implementation supports it. > > I think it makes more sense to merge this with a driver actually using > it. I guess a driver for the above mentioned IOMMU will be submitted > soon? I completely agree; since there are already patches floating around for that IOMMU, it's probably worth them being put into a single series. Will From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Mon, 11 May 2015 11:40:31 +0100 Subject: [RFC PATCH] iommu: add ARM short descriptor page table allocator. In-Reply-To: <20150511101309.GH20611@8bytes.org> References: <1430206881-18294-1-git-send-email-yong.wu@mediatek.com> <20150505161802.GA20611@8bytes.org> <20150505170541.GN1550@arm.com> <20150511101309.GH20611@8bytes.org> Message-ID: <20150511104030.GA4795@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, May 11, 2015 at 11:13:09AM +0100, Joerg Roedel wrote: > On Tue, May 05, 2015 at 06:05:41PM +0100, Will Deacon wrote: > > I think the MT8173 IOMMU [1] uses this format and, since it's part of > > the ARM architecture, the ARM SMMU can make use of it too if the > > implementation supports it. > > I think it makes more sense to merge this with a driver actually using > it. I guess a driver for the above mentioned IOMMU will be submitted > soon? I completely agree; since there are already patches floating around for that IOMMU, it's probably worth them being put into a single series. Will From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753488AbbEKKlN (ORCPT ); Mon, 11 May 2015 06:41:13 -0400 Received: from foss.arm.com ([217.140.101.70]:57705 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751058AbbEKKlK (ORCPT ); Mon, 11 May 2015 06:41:10 -0400 Date: Mon, 11 May 2015 11:40:31 +0100 From: Will Deacon To: Joerg Roedel Cc: Yong Wu , 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: <20150511104030.GA4795@arm.com> References: <1430206881-18294-1-git-send-email-yong.wu@mediatek.com> <20150505161802.GA20611@8bytes.org> <20150505170541.GN1550@arm.com> <20150511101309.GH20611@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150511101309.GH20611@8bytes.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 11, 2015 at 11:13:09AM +0100, Joerg Roedel wrote: > On Tue, May 05, 2015 at 06:05:41PM +0100, Will Deacon wrote: > > I think the MT8173 IOMMU [1] uses this format and, since it's part of > > the ARM architecture, the ARM SMMU can make use of it too if the > > implementation supports it. > > I think it makes more sense to merge this with a driver actually using > it. I guess a driver for the above mentioned IOMMU will be submitted > soon? I completely agree; since there are already patches floating around for that IOMMU, it's probably worth them being put into a single series. Will