From: "Brian Cain" <bcain@codeaurora.org>
To: "'Christoph Hellwig'" <hch@lst.de>,
<iommu@lists.linux-foundation.org>,
"'Russell King'" <linux@armlinux.org.uk>
Cc: 'Vladimir Murzin' <vladimir.murzin@arm.com>,
"'Manning, Sid'" <sidneym@quicinc.com>,
linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org,
'Dillon Min' <dillon.minfei@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: RE: add support for the global coherent pool to the dma core
Date: Wed, 28 Jul 2021 10:20:34 -0500 [thread overview]
Message-ID: <03d501d783c4$1d3f10e0$57bd32a0$@codeaurora.org> (raw)
In-Reply-To: <20210712061704.4162464-1-hch@lst.de>
> -----Original Message-----
> From: Christoph Hellwig <hch@lst.de>
> Sent: Monday, July 12, 2021 1:17 AM
> To: iommu@lists.linux-foundation.org; Russell King
<linux@armlinux.org.uk>;
> Brian Cain <bcain@codeaurora.org>
> Cc: Dillon Min <dillon.minfei@gmail.com>; Vladimir Murzin
> <vladimir.murzin@arm.com>; linux-arm-kernel@lists.infradead.org; linux-
> hexagon@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: add support for the global coherent pool to the dma core
>
> Hi all,
>
> this series adds support for using the global coherent (aka uncached)
> pool to the generic dma-direct code and then switches arm-nommu and
> hexagon over to it, together with a bunch of cleanups.
Christoph,
Thanks for sending this -- I will take a look and give some feedback soon.
> Diffstat:
> arch/arm/Kconfig | 5 -
> arch/arm/mm/dma-mapping-nommu.c | 173
+--------------------------------------
> -
> arch/hexagon/Kconfig | 1
> arch/hexagon/kernel/dma.c | 57 ++-----------
> include/linux/dma-map-ops.h | 18 ++--
> kernel/dma/Kconfig | 4
> kernel/dma/coherent.c | 159
+++++++++++++++++-------------------
> kernel/dma/direct.c | 15 +++
> 8 files changed, 124 insertions(+), 308 deletions(-)
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next prev parent reply other threads:[~2021-07-29 9:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-12 6:16 add support for the global coherent pool to the dma core Christoph Hellwig
2021-07-12 6:16 ` [PATCH 1/7] dma-direct: add support for dma_coherent_default_memory Christoph Hellwig
2021-07-12 6:16 ` [PATCH 2/7] ARM/nommu: use the generic dma-direct code for non-coherent devices Christoph Hellwig
2021-07-12 6:17 ` [PATCH 3/7] dma-mapping: allow using the global coherent pool for !ARM Christoph Hellwig
2021-07-12 6:17 ` [PATCH 4/7] dma-mapping: simplify dma_init_coherent_memory Christoph Hellwig
2021-07-12 6:17 ` [PATCH 5/7] dma-mapping: add a dma_init_global_coherent helper Christoph Hellwig
2021-07-12 6:17 ` [PATCH 6/7] dma-mapping: make the global coherent pool conditional Christoph Hellwig
2021-07-23 21:41 ` Atish Patra
2021-07-12 6:17 ` [PATCH 7/7] hexagon: use the generic global coherent pool Christoph Hellwig
2021-08-14 1:57 ` Brian Cain
2021-08-18 14:27 ` 'Christoph Hellwig'
2021-07-28 15:20 ` Brian Cain [this message]
2021-08-12 13:09 ` add support for the global coherent pool to the dma core 'Christoph Hellwig'
2021-08-14 7:03 ` Christoph Hellwig
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