From ce1c8afd3f3119ddaddcdff27579f5723f55c75e Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 21 Apr 2020 12:09:13 +0200 Subject: [PATCH] sched,rcutorture: Convert to sched_set_fifo_low() Because SCHED_FIFO is a broken scheduler model (see previous patches) take away the priority field, the kernel can't possibly make an informed decision. Effectively no change. Cc: paulmck@kernel.org Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Ingo Molnar Reviewed-by: Paul E. McKenney --- kernel/rcu/rcutorture.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index efb792e..bbc3c8a 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -889,13 +889,11 @@ static int rcu_torture_boost(void *arg) unsigned long endtime; unsigned long oldstarttime; struct rcu_boost_inflight rbi = { .inflight = 0 }; - struct sched_param sp; VERBOSE_TOROUT_STRING("rcu_torture_boost started"); /* Set real-time priority. */ - sp.sched_priority = 1; - if (sched_setscheduler(current, SCHED_FIFO, &sp) < 0) { + if (sched_set_fifo_low(current) < 0) { VERBOSE_TOROUT_STRING("rcu_torture_boost RT prio failed!"); n_rcu_torture_boost_rterror++; } -- 2.7.4