On Fri, Aug 25, 2017 at 03:40:49PM +0900, Byungchul Park wrote: Could you check this patch set?
> Change from v10 > -. modify a comment a bit as Steven suggested > > Change from v9 > -. modify a comment a bit so to be more clear as Juri suggested > > Change from v8 > -. add suggested-by Peterz > -. add several comments > > Change from v7 > -. fix a trivial typo > -. modify commit messages to explain what it does more clearly > -. simplify code with an existing macro > > Change from v6 > -. add a comment about selection of fallback_cpu incase more than one exist > -. modify a comment explaining what we do wrt PREFER_SIBLING > > Change from v5 > -. exclude two patches already picked up by peterz > (sched/deadline: Make find_later_rq() choose a closer cpu in topology) > (sched/deadline: Change return value of cpudl_find()) > -. apply what peterz fixed for 'prefer sibling', into deadline and rt > > Change from v4 > -. remove a patch that might cause huge lock contention > (by spin lock(&cpudl.lock) in a hot path of scheduler) > > Change from v3 > -. rename closest_cpu to best_cpu so that it align with rt > -. protect referring cpudl.elements with cpudl.lock > -. change return value of cpudl_find() to bool > > Change from v2 > -. add support for SD_PREFER_SIBLING > > Change from v1 > -. clean up the patch > > Byungchul Park (2): > sched/deadline: Add support for SD_PREFER_SIBLING on find_later_rq() > sched/rt: Add support for SD_PREFER_SIBLING on find_lowest_rq() > > kernel/sched/deadline.c | 82 > ++++++++++++++++++++++++++++++++++++++++++++----- > kernel/sched/rt.c | 80 +++++++++++++++++++++++++++++++++++++++++++++-- > 2 files changed, 152 insertions(+), 10 deletions(-) > > -- > 1.9.1