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-rw-r--r--kernel/rcu/rcutorture.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 6c46cd1..2964b92 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -909,14 +909,10 @@ rcu_torture_writer(void *arg)
int nsynctypes = 0;
VERBOSE_TOROUT_STRING("rcu_torture_writer task started");
- if (!can_expedite) {
+ if (!can_expedite)
pr_alert("%s" TORTURE_FLAG
- " GP expediting controlled from boot/sysfs for %s,\n",
+ " GP expediting controlled from boot/sysfs for %s.\n",
torture_type, cur_ops->name);
- pr_alert("%s" TORTURE_FLAG
- " Disabled dynamic grace-period expediting.\n",
- torture_type);
- }
/* Initialize synctype[] array. If none set, take default. */
if (!gp_cond1 && !gp_exp1 && !gp_normal1 && !gp_sync1)
@@ -1011,6 +1007,9 @@ rcu_torture_writer(void *arg)
rcu_unexpedite_gp();
if (++expediting > 3)
expediting = -expediting;
+ } else if (!can_expedite) { /* Disabled during boot, recheck. */
+ can_expedite = !rcu_gp_is_expedited() &&
+ !rcu_gp_is_normal();
}
rcu_torture_writer_state = RTWS_STUTTER;
stutter_wait("rcu_torture_writer");
@@ -1021,6 +1020,10 @@ rcu_torture_writer(void *arg)
while (can_expedite && expediting++ < 0)
rcu_unexpedite_gp();
WARN_ON_ONCE(can_expedite && rcu_gp_is_expedited());
+ if (!can_expedite)
+ pr_alert("%s" TORTURE_FLAG
+ " Dynamic grace-period expediting was disabled.\n",
+ torture_type);
rcu_torture_writer_state = RTWS_STOPPING;
torture_kthread_stopping("rcu_torture_writer");
return 0;
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