linux-kernel - Re: [PATCH] OMAP: iommu flush page table entries from L1 and L2 cache

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Message-ID: <BANLkTi=dpqMFjW_B5-YsmoCJf62b8djj5g@mail.gmail.com>
Date:	Tue, 19 Apr 2011 18:11:00 +0900
From:	Kyungmin Park <kmpark@...radead.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Hari Kanigeri <h-kanigeri2@...com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Fernando Guzman Lugo <fernando.lugo@...com>,
	Tony Lindgren <tony@...mide.com>,
	Hiroshi DOYU <Hiroshi.DOYU@...ia.com>,
	linux-kernel@...r.kernel.org,
	Andrzej Pietrasiewicz <andrzej.p@...sung.com>,
	Ramesh Gupta <grgupta@...com>, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH] OMAP: iommu flush page table entries from L1 and L2 cache

On Mon, Apr 18, 2011 at 11:13 PM, Arnd Bergmann <arnd@...db.de> wrote:
> On Monday 18 April 2011, Kyungmin Park wrote:
>> On Mon, Apr 18, 2011 at 8:58 PM, Arnd Bergmann <arnd@...db.de> wrote:
>> >
>> > One missing piece is still a way for a platform to provide both
>> > the iommu and the dma-mapping API in a unified driver. Right now,
>> > you have to export both interface for a generic solution.
>>
>> Actually MSM and we (Michal, Marek) tried to merge the generic IOMMU
>> implementation into mm, but MM did't accept it.
>
> I'm confused. What do you mean with MM?
linux/mm, Memory Management.

Thank you,
Kyungmin Park
>
>> So now it's implemented at each SoCs. I think it's good chance to make
>> a generic IOMMU feature for ARM consolidation.
>>
>> Before this idea, can you review our implementation at above URL?
>
> I've commented on the main implementation for the IOMMU now.
>
>        Arnd
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
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