linux-kernel - Re: [PATCH 00/14] DMA-mapping framework redesign preparation

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Date:	Fri, 24 Feb 2012 15:48:59 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Marek Szyprowski <m.szyprowski@...sung.com>
Cc:	linux-kernel@...r.kernel.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	microblaze-uclinux@...e.uq.edu.au, linux-arch@...r.kernel.org,
	x86@...nel.org, linux-sh@...r.kernel.org,
	linux-alpha@...r.kernel.org, sparclinux@...r.kernel.org,
	linux-ia64@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-mips@...ux-mips.org, discuss@...-64.org,
	linux-arm-kernel@...ts.infradead.org, linux-mm@...ck.org,
	linaro-mm-sig@...ts.linaro.org, Jonathan Corbet <corbet@....net>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Andrzej Pietrasiewicz <andrzej.p@...sung.com>
Subject: Re: [PATCH 00/14] DMA-mapping framework redesign preparation

On Friday 23 December 2011, Marek Szyprowski wrote:
> The solution we found is to introduce a new public dma mapping functions
> with additional attributes argument: dma_alloc_attrs and
> dma_free_attrs(). This way all different kinds of architecture specific
> buffer mappings can be hidden behind the attributes without the need of
> creating several versions of dma_alloc_ function.

Since the patches are now in linux-next, we should make sure that they
can actually get merged into 3.4.

I've looked at all the patches again and found them to be straightforward
and helpful, I hope we can get them merged next time. Please add my

Reviewed-by: Arnd Bergmann <arnd@...db.de>
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