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From: "Semwal, Sumit" <sumit.semwal@ti.com>
To: Dave Airlie <airlied@gmail.com>
Cc: linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
	linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org,
	linux-media@vger.kernel.org, linux@arm.linux.org.uk,
	arnd@arndb.de, jesse.barker@linaro.org, m.szyprowski@samsung.com,
	rob@ti.com, t.stanislaws@samsung.com, patches@linaro.org,
	daniel@ffwll.ch
Subject: Re: [Linaro-mm-sig] [RFC v3 0/2] Introduce DMA buffer sharing mechanism
Date: Fri, 23 Dec 2011 15:38:03 +0530	[thread overview]
Message-ID: <CAB2ybb-+VTR=V1hwhF1GKxgkhTrssZ1JVOwcP6spO5O3AXqivA@mail.gmail.com> (raw)
In-Reply-To: <CAPM=9tzi5MyCBMJhWBM_ouL=QOaxX3K6KZ8K+t7dUYJLQrF+yA@mail.gmail.com>

On Wed, Dec 21, 2011 at 1:50 AM, Dave Airlie <airlied@gmail.com> wrote:
<snip>
>>
>> I think this is a really good v1 version of dma_buf. It contains all the
>> required bits (with well-specified semantics in the doc patch) to
>> implement some basic use-cases and start fleshing out the integration with
>> various subsystem (like drm and v4l). All the things still under
>> discussion like
>> - userspace mmap support
>> - more advanced (and more strictly specified) coherency models
>> - and shared infrastructure for implementing exporters
>> are imo much clearer once we have a few example drivers at hand and a
>> better understanding of some of the insane corner cases we need to be able
>> to handle.
>>
>> And I think any risk that the resulting clarifications will break a basic
>> use-case is really minimal, so I think it'd be great if this could go into
>> 3.3 (maybe as some kind of staging/experimental infrastructure).
>>
>> Hence for both patches:
>> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
>
> Yeah I'm with Daniel, I like this one, I can definitely build the drm
> buffer sharing layer on top of this.
>
> How do we see this getting merged? I'm quite happy to push it to Linus
> if we don't have an identified path, though it could go via a Linaro
> tree as well.
>
> so feel free to add:
> Reviewed-by: Dave Airlie <airlied@redhat.com>
Thanks Daniel and Dave!

I guess we can start with staging for 3.3, and see how it shapes up. I
will post the latest patch version pretty soon.

Arnd, Dave: do you have any preference on the path it takes to get
merged? In my mind, Linaro tree might make more sense, but I would
leave it upto you gentlemen.
>
> Dave.
Best regards,
~Sumit.

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  parent reply	other threads:[~2011-12-23 10:08 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-19  8:33 Sumit Semwal
2011-12-19  8:33 ` Sumit Semwal
2011-12-19  8:33 ` [RFC v3 1/2] dma-buf: Introduce dma " Sumit Semwal
2011-12-20 16:36   ` Konrad Rzeszutek Wilk
2011-12-20 17:04     ` Rob Clark
2011-12-23  9:52     ` Semwal, Sumit
2012-01-03 21:09       ` Konrad Rzeszutek Wilk
2011-12-19  8:33 ` [RFC v3 2/2] dma-buf: Documentation for buffer sharing framework Sumit Semwal
2011-12-20 19:31 ` [RFC v3 0/2] Introduce DMA buffer sharing mechanism Daniel Vetter
2011-12-20 20:20   ` [Linaro-mm-sig] " Dave Airlie
2011-12-20 22:26     ` Rob Clark
2011-12-23  5:44       ` Semwal, Sumit
2011-12-23 10:08     ` Semwal, Sumit [this message]
2011-12-23 17:20       ` Rob Clark
2011-12-26  6:51         ` Semwal, Sumit

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