From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robin Murphy Date: Tue, 20 Jun 2017 13:14:36 +0000 Subject: Re: new dma-mapping tree, was Re: clean up and modularize arch dma_mapping interface V2 Message-Id: <6025d4d4-1975-9598-c16d-26d17d029ec7@arm.com> List-Id: References: <20170620124140.GA27163@lst.de> In-Reply-To: <20170620124140.GA27163@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Christoph Hellwig , Stephen Rothwell , Linus Torvalds , x86@kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Hi Christoph, On 20/06/17 13:41, Christoph Hellwig wrote: > On Fri, Jun 16, 2017 at 08:10:15PM +0200, Christoph Hellwig wrote: >> I plan to create a new dma-mapping tree to collect all this work. >> Any volunteers for co-maintainers, especially from the iommu gang? > > Ok, I've created the new tree: > > git://git.infradead.org/users/hch/dma-mapping.git for-next > > Gitweb: > > http://git.infradead.org/users/hch/dma-mapping.git/shortlog/refs/heads/for-next > > And below is the patch to add the MAINTAINERS entry, additions welcome. I'm happy to be a reviewer, since I've been working in this area for some time, particularly with the dma-iommu code and arm64 DMA ops. Robin. > Stephen, can you add this to linux-next? > > --- > From 335979c41912e6c101a20b719862b2d837370df1 Mon Sep 17 00:00:00 2001 > From: Christoph Hellwig > Date: Tue, 20 Jun 2017 11:17:30 +0200 > Subject: MAINTAINERS: add entry for dma mapping helpers > > This code has been spread between getting in through arch trees, the iommu > tree, -mm and the drivers tree. There will be a lot of work in this area, > including consolidating various arch implementations into more common > code, so ensure we have a proper git tree that facilitates cooperation with > the architecture maintainers. > > Signed-off-by: Christoph Hellwig > --- > MAINTAINERS | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/MAINTAINERS b/MAINTAINERS > index 09b5ab6a8a5c..56859d53a424 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -2595,6 +2595,19 @@ S: Maintained > F: net/bluetooth/ > F: include/net/bluetooth/ > > +DMA MAPPING HELPERS > +M: Christoph Hellwig > +L: linux-kernel@vger.kernel.org > +T: git git://git.infradead.org/users/hch/dma-mapping.git > +W: http://git.infradead.org/users/hch/dma-mapping.git > +S: Supported > +F: lib/dma-debug.c > +F: lib/dma-noop.c > +F: lib/dma-virt.c > +F: drivers/base/dma-mapping.c > +F: drivers/base/dma-coherent.c > +F: include/linux/dma-mapping.h > + > BONDING DRIVER > M: Jay Vosburgh > M: Veaceslav Falico > From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robin Murphy Subject: Re: new dma-mapping tree, was Re: clean up and modularize arch dma_mapping interface V2 Date: Tue, 20 Jun 2017 14:14:36 +0100 Message-ID: <6025d4d4-1975-9598-c16d-26d17d029ec7@arm.com> References: <20170620124140.GA27163@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170620124140.GA27163@lst.de> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Christoph Hellwig , Stephen Rothwell , Linus Torvalds , x86@kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org List-Id: linux-tegra@vger.kernel.org SGkgQ2hyaXN0b3BoLAoKT24gMjAvMDYvMTcgMTM6NDEsIENocmlzdG9waCBIZWxsd2lnIHdyb3Rl Ogo+IE9uIEZyaSwgSnVuIDE2LCAyMDE3IGF0IDA4OjEwOjE1UE0gKzAyMDAsIENocmlzdG9waCBI ZWxsd2lnIHdyb3RlOgo+PiBJIHBsYW4gdG8gY3JlYXRlIGEgbmV3IGRtYS1tYXBwaW5nIHRyZWUg dG8gY29sbGVjdCBhbGwgdGhpcyB3b3JrLgo+PiBBbnkgdm9sdW50ZWVycyBmb3IgY28tbWFpbnRh aW5lcnMsIGVzcGVjaWFsbHkgZnJvbSB0aGUgaW9tbXUgZ2FuZz8KPiAKPiBPaywgSSd2ZSBjcmVh dGVkIHRoZSBuZXcgdHJlZToKPiAKPiAgICBnaXQ6Ly9naXQuaW5mcmFkZWFkLm9yZy91c2Vycy9o Y2gvZG1hLW1hcHBpbmcuZ2l0IGZvci1uZXh0Cj4gCj4gR2l0d2ViOgo+IAo+ICAgIGh0dHA6Ly9n aXQuaW5mcmFkZWFkLm9yZy91c2Vycy9oY2gvZG1hLW1hcHBpbmcuZ2l0L3Nob3J0bG9nL3JlZnMv aGVhZHMvZm9yLW5leHQKPiAKPiBBbmQgYmVsb3cgaXMgdGhlIHBhdGNoIHRvIGFkZCB0aGUgTUFJ TlRBSU5FUlMgZW50cnksIGFkZGl0aW9ucyB3ZWxjb21lLgoKSSdtIGhhcHB5IHRvIGJlIGEgcmV2 aWV3ZXIsIHNpbmNlIEkndmUgYmVlbiB3b3JraW5nIGluIHRoaXMgYXJlYSBmb3IKc29tZSB0aW1l LCBwYXJ0aWN1bGFybHkgd2l0aCB0aGUgZG1hLWlvbW11IGNvZGUgYW5kIGFybTY0IERNQSBvcHMu CgpSb2Jpbi4KCj4gU3RlcGhlbiwgY2FuIHlvdSBhZGQgdGhpcyB0byBsaW51eC1uZXh0Pwo+IAo+ IC0tLQo+IEZyb20gMzM1OTc5YzQxOTEyZTZjMTAxYTIwYjcxOTg2MmIyZDgzNzM3MGRmMSBNb24g U2VwIDE3IDAwOjAwOjAwIDIwMDEKPiBGcm9tOiBDaHJpc3RvcGggSGVsbHdpZyA8aGNoQGxzdC5k ZT4KPiBEYXRlOiBUdWUsIDIwIEp1biAyMDE3IDExOjE3OjMwICswMjAwCj4gU3ViamVjdDogTUFJ TlRBSU5FUlM6IGFkZCBlbnRyeSBmb3IgZG1hIG1hcHBpbmcgaGVscGVycwo+IAo+IFRoaXMgY29k ZSBoYXMgYmVlbiBzcHJlYWQgYmV0d2VlbiBnZXR0aW5nIGluIHRocm91Z2ggYXJjaCB0cmVlcywg dGhlIGlvbW11Cj4gdHJlZSwgLW1tIGFuZCB0aGUgZHJpdmVycyB0cmVlLiAgVGhlcmUgd2lsbCBi ZSBhIGxvdCBvZiB3b3JrIGluIHRoaXMgYXJlYSwKPiBpbmNsdWRpbmcgY29uc29saWRhdGluZyB2 YXJpb3VzIGFyY2ggaW1wbGVtZW50YXRpb25zIGludG8gbW9yZSBjb21tb24KPiBjb2RlLCBzbyBl bnN1cmUgd2UgaGF2ZSBhIHByb3BlciBnaXQgdHJlZSB0aGF0IGZhY2lsaXRhdGVzIGNvb3BlcmF0 aW9uIHdpdGgKPiB0aGUgYXJjaGl0ZWN0dXJlIG1haW50YWluZXJzLgo+IAo+IFNpZ25lZC1vZmYt Ynk6IENocmlzdG9waCBIZWxsd2lnIDxoY2hAbHN0LmRlPgo+IC0tLQo+ICBNQUlOVEFJTkVSUyB8 IDEzICsrKysrKysrKysrKysKPiAgMSBmaWxlIGNoYW5nZWQsIDEzIGluc2VydGlvbnMoKykKPiAK PiBkaWZmIC0tZ2l0IGEvTUFJTlRBSU5FUlMgYi9NQUlOVEFJTkVSUwo+IGluZGV4IDA5YjVhYjZh OGE1Yy4uNTY4NTlkNTNhNDI0IDEwMDY0NAo+IC0tLSBhL01BSU5UQUlORVJTCj4gKysrIGIvTUFJ TlRBSU5FUlMKPiBAQCAtMjU5NSw2ICsyNTk1LDE5IEBAIFM6CU1haW50YWluZWQKPiAgRjoJbmV0 L2JsdWV0b290aC8KPiAgRjoJaW5jbHVkZS9uZXQvYmx1ZXRvb3RoLwo+ICAKPiArRE1BIE1BUFBJ TkcgSEVMUEVSUwo+ICtNOglDaHJpc3RvcGggSGVsbHdpZyA8aGNoQGxzdC5kZT4KPiArTDoJbGlu dXgta2VybmVsQHZnZXIua2VybmVsLm9yZwo+ICtUOglnaXQgZ2l0Oi8vZ2l0LmluZnJhZGVhZC5v cmcvdXNlcnMvaGNoL2RtYS1tYXBwaW5nLmdpdAo+ICtXOglodHRwOi8vZ2l0LmluZnJhZGVhZC5v cmcvdXNlcnMvaGNoL2RtYS1tYXBwaW5nLmdpdAo+ICtTOglTdXBwb3J0ZWQKPiArRjoJbGliL2Rt YS1kZWJ1Zy5jCj4gK0Y6CWxpYi9kbWEtbm9vcC5jCj4gK0Y6CWxpYi9kbWEtdmlydC5jCj4gK0Y6 CWRyaXZlcnMvYmFzZS9kbWEtbWFwcGluZy5jCj4gK0Y6CWRyaXZlcnMvYmFzZS9kbWEtY29oZXJl bnQuYwo+ICtGOglpbmNsdWRlL2xpbnV4L2RtYS1tYXBwaW5nLmgKPiArCj4gIEJPTkRJTkcgRFJJ VkVSCj4gIE06CUpheSBWb3NidXJnaCA8ai52b3NidXJnaEBnbWFpbC5jb20+Cj4gIE06CVZlYWNl c2xhdiBGYWxpY28gPHZmYWxpY29AZ21haWwuY29tPgo+IAoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2 ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752137AbdFTNOr (ORCPT ); Tue, 20 Jun 2017 09:14:47 -0400 Received: from foss.arm.com ([217.140.101.70]:38218 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751082AbdFTNOo (ORCPT ); Tue, 20 Jun 2017 09:14:44 -0400 Subject: Re: new dma-mapping tree, was Re: clean up and modularize arch dma_mapping interface V2 To: Christoph Hellwig , Stephen Rothwell , Linus Torvalds , x86@kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-c6x-dev@linux-c6x.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@linux-mips.org, openrisc@lists.librecores.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, iommu@lists.linux-foundation.org, netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org References: <20170620124140.GA27163@lst.de> From: Robin Murphy Message-ID: <6025d4d4-1975-9598-c16d-26d17d029ec7@arm.com> Date: Tue, 20 Jun 2017 14:14:36 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <20170620124140.GA27163@lst.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Christoph, On 20/06/17 13:41, Christoph Hellwig wrote: > On Fri, Jun 16, 2017 at 08:10:15PM +0200, Christoph Hellwig wrote: >> I plan to create a new dma-mapping tree to collect all this work. >> Any volunteers for co-maintainers, especially from the iommu gang? > > Ok, I've created the new tree: > > git://git.infradead.org/users/hch/dma-mapping.git for-next > > Gitweb: > > http://git.infradead.org/users/hch/dma-mapping.git/shortlog/refs/heads/for-next > > And below is the patch to add the MAINTAINERS entry, additions welcome. I'm happy to be a reviewer, since I've been working in this area for some time, particularly with the dma-iommu code and arm64 DMA ops. Robin. > Stephen, can you add this to linux-next? > > --- > From 335979c41912e6c101a20b719862b2d837370df1 Mon Sep 17 00:00:00 2001 > From: Christoph Hellwig > Date: Tue, 20 Jun 2017 11:17:30 +0200 > Subject: MAINTAINERS: add entry for dma mapping helpers > > This code has been spread between getting in through arch trees, the iommu > tree, -mm and the drivers tree. There will be a lot of work in this area, > including consolidating various arch implementations into more common > code, so ensure we have a proper git tree that facilitates cooperation with > the architecture maintainers. > > Signed-off-by: Christoph Hellwig > --- > MAINTAINERS | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/MAINTAINERS b/MAINTAINERS > index 09b5ab6a8a5c..56859d53a424 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -2595,6 +2595,19 @@ S: Maintained > F: net/bluetooth/ > F: include/net/bluetooth/ > > +DMA MAPPING HELPERS > +M: Christoph Hellwig > +L: linux-kernel@vger.kernel.org > +T: git git://git.infradead.org/users/hch/dma-mapping.git > +W: http://git.infradead.org/users/hch/dma-mapping.git > +S: Supported > +F: lib/dma-debug.c > +F: lib/dma-noop.c > +F: lib/dma-virt.c > +F: drivers/base/dma-mapping.c > +F: drivers/base/dma-coherent.c > +F: include/linux/dma-mapping.h > + > BONDING DRIVER > M: Jay Vosburgh > M: Veaceslav Falico > From mboxrd@z Thu Jan 1 00:00:00 1970 From: robin.murphy@arm.com (Robin Murphy) Date: Tue, 20 Jun 2017 14:14:36 +0100 Subject: new dma-mapping tree, was Re: clean up and modularize arch dma_mapping interface V2 In-Reply-To: <20170620124140.GA27163@lst.de> References: <20170620124140.GA27163@lst.de> Message-ID: <6025d4d4-1975-9598-c16d-26d17d029ec7@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Christoph, On 20/06/17 13:41, Christoph Hellwig wrote: > On Fri, Jun 16, 2017 at 08:10:15PM +0200, Christoph Hellwig wrote: >> I plan to create a new dma-mapping tree to collect all this work. >> Any volunteers for co-maintainers, especially from the iommu gang? > > Ok, I've created the new tree: > > git://git.infradead.org/users/hch/dma-mapping.git for-next > > Gitweb: > > http://git.infradead.org/users/hch/dma-mapping.git/shortlog/refs/heads/for-next > > And below is the patch to add the MAINTAINERS entry, additions welcome. I'm happy to be a reviewer, since I've been working in this area for some time, particularly with the dma-iommu code and arm64 DMA ops. Robin. > Stephen, can you add this to linux-next? > > --- > From 335979c41912e6c101a20b719862b2d837370df1 Mon Sep 17 00:00:00 2001 > From: Christoph Hellwig > Date: Tue, 20 Jun 2017 11:17:30 +0200 > Subject: MAINTAINERS: add entry for dma mapping helpers > > This code has been spread between getting in through arch trees, the iommu > tree, -mm and the drivers tree. There will be a lot of work in this area, > including consolidating various arch implementations into more common > code, so ensure we have a proper git tree that facilitates cooperation with > the architecture maintainers. > > Signed-off-by: Christoph Hellwig > --- > MAINTAINERS | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/MAINTAINERS b/MAINTAINERS > index 09b5ab6a8a5c..56859d53a424 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -2595,6 +2595,19 @@ S: Maintained > F: net/bluetooth/ > F: include/net/bluetooth/ > > +DMA MAPPING HELPERS > +M: Christoph Hellwig > +L: linux-kernel at vger.kernel.org > +T: git git://git.infradead.org/users/hch/dma-mapping.git > +W: http://git.infradead.org/users/hch/dma-mapping.git > +S: Supported > +F: lib/dma-debug.c > +F: lib/dma-noop.c > +F: lib/dma-virt.c > +F: drivers/base/dma-mapping.c > +F: drivers/base/dma-coherent.c > +F: include/linux/dma-mapping.h > + > BONDING DRIVER > M: Jay Vosburgh > M: Veaceslav Falico >