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Date: Fri, 8 Jan 2016 23:54:02 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Doug Anderson <dianders@chromium.org>
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Subject: Re: [PATCH v4 2/3] common: DMA-mapping: add DMA_ATTR_NOHUGEPAGE
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On Fri, Jan 08, 2016 at 03:05:23PM -0800, Doug Anderson wrote:
> In my cover letter I tried to address this.  See
> <http://comments.gmane.org/gmane.linux.kernel/2121364>.  I said:
> 
> > Notably missing from this series is the fourth patch that adds teeth to
> > the second and third.  You can find that out of tree at
> > <https://chromium-review.googlesource.com/#/c/320498/>.  Unfortunately
> > the rk3288_vpu, which is what I'm working on, is out of tree.

Yes, I read that.  And that's exactly why I said we should not add
crazy workarounds for code that's not even in the kernel.

> ...but today I realized that I also needed to do work to get Exynos's
> MFC codec using this patch and MFC _is_ upstream.  ...so my next
> series will include the MFC patch.  Hopefully that will help address
> your concerns.

Ok.