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From: lauraa@codeaurora.org (Laura Abbott)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] swiotlb: Add support for CMA allocations
Date: Mon, 09 Dec 2013 16:36:33 -0800	[thread overview]
Message-ID: <52A66211.6010707@codeaurora.org> (raw)
In-Reply-To: <1da8f502-0e34-4b54-929e-bcbe40b20b7f@email.android.com>

On 12/9/2013 4:29 PM, Konrad Rzeszutek Wilk wrote:
> Laura Abbott <lauraa@codeaurora.org> wrote:
>> Some architectures may implement the CMA APIs to allow allocation
>> of larger contiguous blocks of memory. Add support in the swiotlb
>> alloc/free functions to allocate from the CMA APIs instead of the
>> basic page allocator.
>>
>> Cc: Will Deacon <will.deacon@arm.com>
>> Cc: Catalin Marinas <catalin.marinas@arm.com>
>> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
>> Cc: Marek Szyprowski <m.szyprowski@samsung.com>
>> Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
...
>>
>
> Can this be done in the platform dma_ops functions instead?
>

I suppose it could but that seems like it would result in lots of 
duplicated code if every architecture that uses swiotlb wants to use CMA.

Thanks,
Laura

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation

  reply	other threads:[~2013-12-10  0:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-10  0:12 [PATCH 0/3] CMA support for arm64 Laura Abbott
2013-12-10  0:12 ` [PATCH 1/3] arm64: Check for NULL device before getting the coherent_dma_mask Laura Abbott
2013-12-10  0:12 ` [PATCH 2/3] arm64: Enable CMA Laura Abbott
2013-12-10  0:12 ` [PATCH 3/3] swiotlb: Add support for CMA allocations Laura Abbott
2013-12-10  0:29   ` Konrad Rzeszutek Wilk
2013-12-10  0:36     ` Laura Abbott [this message]
2013-12-10  0:40       ` Konrad Rzeszutek Wilk
2013-12-10 10:25         ` Will Deacon
2013-12-10 10:42           ` Catalin Marinas
2013-12-10 13:50             ` Will Deacon
2013-12-10 13:56               ` Konrad Rzeszutek Wilk
2013-12-10 14:50               ` Catalin Marinas
2013-12-10 19:03                 ` Laura Abbott
2013-12-13  0:48             ` Laura Abbott
2013-12-13 13:37               ` Catalin Marinas
2013-12-13 13:45                 ` Will Deacon

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