The following commit has been merged into the sched/fifo branch of tip: Commit-ID: ce1c8afd3f3119ddaddcdff27579f5723f55c75e Gitweb: https://git.kernel.org/tip/ce1c8afd3f3119ddaddcdff27579f5723f55c75e Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> AuthorDate: Tue, 21 Apr 2020 12:09:13 +02:00 Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx> CommitterDate: Mon, 15 Jun 2020 14:10:25 +02:00 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@xxxxxxxxxx Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Reviewed-by: Ingo Molnar <mingo@xxxxxxxxxx> Reviewed-by: Paul E. McKenney <paulmck@xxxxxxxxxx> --- 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++; }
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