On 11/04/22 7:02 pm, Matthew Auld wrote: > On 11/04/2022 13:42, Christian König wrote: >> >> Am 11.04.22 um 11:47 schrieb Matthew Auld: >>> On 11/04/2022 08:38, Arunpravin Paneer Selvam wrote: >>>> Add a simple check to reject any size not aligned to the >>>> min_page_size. >>>> >>>> when size is not aligned to min_page_size, driver module >>>> should handle in their own way either to round_up() the >>>> size value to min_page_size or just to enable WARN_ON(). >>>> >>>> If we dont handle the alignment properly, we may hit the >>>> following bug, Unigine Heaven has allocation requests for >>>> example required pages are 257 and alignment request is 256. >>>> To allocate the left over 1 page, continues the iteration to >>>> find the order value which is 0 and when it compares with >>>> min_order = 8, triggers the BUG_ON(order < min_order). >>>> >>>> v2: add more commit description >>>> v3: remove WARN_ON() >>>> >>>> Signed-off-by: Arunpravin Paneer Selvam >>>> <Arunpravin.PaneerSelvam@xxxxxxx> >>>> Suggested-by: Matthew Auld <matthew.auld@xxxxxxxxx> >>> Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx> >>> >> >> Question here is who will be pushing that to drm-misc-next? Should I >> take care of that? > > Yes, please do. > >> >> I think it's time that Arun should request push permission for >> drm-misc-next. How to get push permission for drm-misc-next, should I send request mail to maintainers, may be next time I will push myself. Thanks, Arun >> >> Thanks, >> Christian.
