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SubjectRe: [PATCHv3 01/11] videobuf2: add cache management members
On (20/02/27 12:55), Hans Verkuil wrote:
> On 2/26/20 12:15 PM, Sergey Senozhatsky wrote:
> > Extend vb2_buffer and vb2_queue structs with cache management
> > members.
> >
> > V4L2 UAPI already contains two buffer flags which user-space,
> > supposedly, can use to control buffer cache sync:
> >
> > - V4L2_BUF_FLAG_NO_CACHE_INVALIDATE
> > - V4L2_BUF_FLAG_NO_CACHE_CLEAN
> >
> > None of these, however, do anything at the moment. This patch
> > set is intended to change it.
> >
> > Since user-space cache management hints are supposed to be
> > implemented on a per-buffer basis we need to extend vb2_buffer
> > struct with two new memebers ->need_cache_sync_on_prepare and
>
> memebers -> members
>

meme bears :)

-ss

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