Re: [PATCH tip/sched/core v2] sched/rt: Simplify the IPI rt balancing logic
From: Peter Zijlstra
Date: Thu May 04 2017 - 10:41:43 EST
On Mon, Apr 24, 2017 at 11:47:32AM -0400, Steven Rostedt wrote:
> + /* Keep the loop going if the IPI is currently active */
> + atomic_inc_return(&rq->rd->rto_loop_next);
What's the return for?