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rcutorture: Test srcu_expedite_current()

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This commit adds a ->exp_current member to the rcu_torture_ops structure
to test the srcu_expedite_current() function.

Signed-off-by: Paul E. McKenney <[email protected]>
Cc: Andrii Nakryiko <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: <[email protected]>
Signed-off-by: Frederic Weisbecker <[email protected]>
This commit is contained in:
Paul E. McKenney authored and Frederic Weisbecker committed 2025-11-05 23:58:16 +01:00
1 parent 34dc27f02c
commit 950063c6e8
1 file changed
+12
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kernel/rcu/rcutorture.c
+12
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@@ -389,6 +389,7 @@ struct rcu_torture_ops {
void (*deferred_free)(struct rcu_torture *p);
void (*sync)(void);
void (*exp_sync)(void);
void (*exp_current)(void);
unsigned long (*get_gp_state_exp)(void);
unsigned long (*start_gp_poll_exp)(void);
void (*start_gp_poll_exp_full)(struct rcu_gp_oldstate *rgosp);
@@ -857,6 +858,11 @@ static void srcu_torture_synchronize_expedited(void)
synchronize_srcu_expedited(srcu_ctlp);
}
static void srcu_torture_expedite_current(void)
{
srcu_expedite_current(srcu_ctlp);
}
static struct rcu_torture_ops srcu_ops = {
.ttype = SRCU_FLAVOR,
.init = rcu_sync_torture_init,
@@ -871,6 +877,7 @@ static struct rcu_torture_ops srcu_ops = {
.deferred_free = srcu_torture_deferred_free,
.sync = srcu_torture_synchronize,
.exp_sync = srcu_torture_synchronize_expedited,
.exp_current = srcu_torture_expedite_current,
.same_gp_state = same_state_synchronize_srcu,
.get_comp_state = get_completed_synchronize_srcu,
.get_gp_state = srcu_torture_get_gp_state,
@@ -919,6 +926,7 @@ static struct rcu_torture_ops srcud_ops = {
.deferred_free = srcu_torture_deferred_free,
.sync = srcu_torture_synchronize,
.exp_sync = srcu_torture_synchronize_expedited,
.exp_current = srcu_torture_expedite_current,
.same_gp_state = same_state_synchronize_srcu,
.get_comp_state = get_completed_synchronize_srcu,
.get_gp_state = srcu_torture_get_gp_state,
@@ -1700,6 +1708,8 @@ rcu_torture_writer(void *arg)
ulo[i] = cur_ops->get_comp_state();
gp_snap = cur_ops->start_gp_poll();
rcu_torture_writer_state = RTWS_POLL_WAIT;
if (cur_ops->exp_current && !torture_random(&rand) % 0xff)
cur_ops->exp_current();
while (!cur_ops->poll_gp_state(gp_snap)) {
gp_snap1 = cur_ops->get_gp_state();
for (i = 0; i < ulo_size; i++)
@@ -1720,6 +1730,8 @@ rcu_torture_writer(void *arg)
cur_ops->get_comp_state_full(&rgo[i]);
cur_ops->start_gp_poll_full(&gp_snap_full);
rcu_torture_writer_state = RTWS_POLL_WAIT_FULL;
if (cur_ops->exp_current && !torture_random(&rand) % 0xff)
cur_ops->exp_current();
while (!cur_ops->poll_gp_state_full(&gp_snap_full)) {
cur_ops->get_gp_state_full(&gp_snap1_full);
for (i = 0; i < rgo_size; i++)