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

From: Kyungmin Park
Date: Tue Apr 19 2011 - 08:36:07 EST


On Tue, Apr 19, 2011 at 9:01 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> On Tuesday 19 April 2011, Kyungmin Park wrote:
>> On Mon, Apr 18, 2011 at 11:13 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>> > On Monday 18 April 2011, Kyungmin Park wrote:
>> >> On Mon, Apr 18, 2011 at 8:58 PM, Arnd Bergmann <arnd@xxxxxxxx> 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.
>
> I'm still confused. What were you suggesting to merge in there?
> Do you have a link to a mailing list discussion?

First, Zach Pfeffer <zpfeffer@xxxxxxxxxxxxxx> sent the patch
https://patchwork.kernel.org/patch/108736/

Second, Michal tried it.
http://lkml.org/lkml/2010/9/6/41

http://lwn.net/Articles/403643/
https://patchwork.kernel.org/patch/157451/

Thank you,
Kyungmin Park

>
>        Arnd
>
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