sched/core: Fix pick_next_task() for RT,DL
Pavan noticed that the following commit: 49ee5768 ("sched/core: Optimize pick_next_task() for idle_sched_class") ... broke RT,DL balancing by robbing them of the opportinty to do new-'idle' balancing when their last runnable task (on that runqueue) goes away. Reported-by:Pavan Kondeti <pkondeti@codeaurora.org> Signed-off-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Fixes: 49ee5768 ("sched/core: Optimize pick_next_task() for idle_sched_class") Signed-off-by:
Ingo Molnar <mingo@kernel.org>
parent
4c77b18c
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