diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot
index 2db39f298d182..fb61703690cb3 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot
@@ -2,3 +2,4 @@ rcutorture.torture_type=srcud
 rcupdate.rcu_self_test=1
 rcutorture.fwd_progress=3
 srcutree.big_cpu_lim=5
+rcutorture.reader_flavor=0x8