[GIT pull] scheduler fix for 4.12

Linus, please pull the latest sched-urgent-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-urgent-for-linus A single scheduler fix: Prevent idle task from ever being preempted. That makes sure that synchronize_rcu_tasks() which is ignoring idle

[GIT pull] scheduler fix for 4.12

Linus, please pull the latest sched-urgent-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-urgent-for-linus A single scheduler fix: Prevent idle task from ever being preempted. That makes sure that synchronize_rcu_tasks() which is ignoring idle