From: Daniel Vetter
The userspace might need some sort of cache coherency management e.g. when CPU
and GPU domains are being accessed through dma-buf at the same time. To
circumvent this problem there are begin/end coherency markers, that forward
directly to existing dma-buf device drivers vfunc
Hi Tiago,
Thanks for the patch!
On 12 August 2015 at 02:29, Tiago Vignatti wrote:
> From: Daniel Vetter
>
> FIXME: Update kerneldoc for begin/end to make it clear that those are
> for mmap too.
I think if we're going to add this patch upstream, atleast the FIXMEs
should be fixed.
>
> Open: Do
From: Daniel Vetter
FIXME: Update kerneldoc for begin/end to make it clear that those are
for mmap too.
Open: Do we need a special indication that the begin/end is from
userspace mmap and not from kernel mmap?
There's also the question already about kernel internal users - vmap
and kmap interfa
