Merge branch 'sched/urgent' into sched/core, to pick up dependent commits

Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --cc kernel/rseq.c
Simple merge

diff --cc kernel/sched/core.c
Simple merge

diff --cc kernel/sched/fair.c
Simple merge

diff --cc kernel/sched/sched.h
Simple merge