On Thu 03-03-16 20:12:48, Ricardo Ribalda Delgado wrote:
> On page unaligned frames, create_framevec forces get_vaddr_frames to
> allocate an extra page at the end of the buffer. Under some
> circumstances, this leads to -EINVAL on VIDIOC_QBUF.
>
> E.g:
> We have vm_a that vm_area that goes from 0
Hello,
On 2016-03-03 20:12, Ricardo Ribalda Delgado wrote:
On page unaligned frames, create_framevec forces get_vaddr_frames to
allocate an extra page at the end of the buffer. Under some
circumstances, this leads to -EINVAL on VIDIOC_QBUF.
E.g:
We have vm_a that vm_area that goes from 0x1000 t
On page unaligned frames, create_framevec forces get_vaddr_frames to
allocate an extra page at the end of the buffer. Under some
circumstances, this leads to -EINVAL on VIDIOC_QBUF.
E.g:
We have vm_a that vm_area that goes from 0x1000 to 0x3000. And a
frame that goes from 0x1800 to 0x2800, i.e. 2
