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| author | Paul E. McKenney | 2017-10-16 20:23:42 +0200 |
|---|---|---|
| committer | Paul E. McKenney | 2017-12-11 18:18:22 +0100 |
| commit | e8302739aa2204d52dacf9e9619cb6e755fa997a (patch) | |
| tree | f6411699883d58a5ef4ca10651bfd3564f72706c /kernel/rcu/rcutorture.c | |
| parent | torture: Reduce #ifdefs for preempt_schedule() (diff) | |
| download | kernel-qcow2-linux-e8302739aa2204d52dacf9e9619cb6e755fa997a.tar.gz kernel-qcow2-linux-e8302739aa2204d52dacf9e9619cb6e755fa997a.tar.xz kernel-qcow2-linux-e8302739aa2204d52dacf9e9619cb6e755fa997a.zip | |
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>
Diffstat (limited to 'kernel/rcu/rcutorture.c')
| -rw-r--r-- | kernel/rcu/rcutorture.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index e7d3cce84214..1074ecc3f72f 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -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. */ } |