Re: [PATCHv4 01/11] videobuf2: add cache management members

[Sergey Senozhatsky]

On (20/03/09 17:58), Tomasz Figa wrote:
[..]
> > > I see. Hmm, how do I do "test that V4L2_BUF_CAP_SUPPORTS_CACHE_HINTS
> > > is never set" then?
> >
> > Not sure I understand your question. When requesting buffers for non-MMAP memory,
> > this capability must never be returned. That has nothing to do with a cache_hints
> > module option.
>
> Have we decided that we explicitly don't want to support this for
> USERPTR memory, even though technically possible and without much
> extra code needed?

My irrelevant 5 cents (sorry), I'd probably prefer to land MMAP
first + test drivers patches + v4l-util patches. The effort
required to land this is getting bigger.

	-ss