rcutorture: Preempt RCU-preempt readers more vigorously



This commit attempts to make a very rare rcutorture failure happen
more often by increasing the fraction of RCU-preempt read-side critical
sections that are preempted.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

parent cc1321c9

kernel/rcu/rcutorture.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -316,7 +316,7 @@ static void rcu_read_delay(struct torture_random_state *rrsp)
		if (!(torture_random(rrsp) % (nrealreaders * 2 * shortdelay_us)))
		udelay(shortdelay_us);
		if (!preempt_count() &&
		!(torture_random(rrsp) % (nrealreaders * 20000)))
		!(torture_random(rrsp) % (nrealreaders * 500)))
		torture_preempt_schedule(); /* QS only if preemptible. */
		}