Re: [PATCH v4 2/3] common: DMA-mapping: add DMA_ATTR_NOHUGEPAGE attribute
From: Christoph Hellwig
Date: Sat Jan 09 2016 - 02:55:20 EST
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.