netdev - new dma-mapping tree, was Re: clean up and modularize arch dma

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Message-ID: <20170620124140.GA27163@lst.de>
Date:   Tue, 20 Jun 2017 14:41:40 +0200
From:   Christoph Hellwig <hch@....de>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linus Torvalds <torvalds@...ux-foundation.org>, x86@...nel.org,
        linux-arm-kernel@...ts.infradead.org,
        xen-devel@...ts.xenproject.org, linux-c6x-dev@...ux-c6x.org,
        linux-hexagon@...r.kernel.org, linux-ia64@...r.kernel.org,
        linux-mips@...ux-mips.org, openrisc@...ts.librecores.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
        linux-xtensa@...ux-xtensa.org, dmaengine@...r.kernel.org,
        linux-tegra@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-samsung-soc@...r.kernel.org,
        iommu@...ts.linux-foundation.org, netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: new dma-mapping tree, was Re: clean up and modularize arch
        dma_mapping interface V2

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.

Stephen, can you add this to linux-next?

---
>From 335979c41912e6c101a20b719862b2d837370df1 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@....de>
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 <hch@....de>
---
 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 <hch@....de>
+L:	linux-kernel@...r.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 <j.vosburgh@...il.com>
 M:	Veaceslav Falico <vfalico@...il.com>
-- 
2.11.0