superrob1500
/
mirror-linux
mirror of https://github.com/torvalds/linux
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

rcutorture: Test srcu_expedite_current() 

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 <paulmck@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: <bpf@vger.kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
pull/1354/merge
Paul E. McKenney 2025-11-05 12:32:03 -08:00 committed by Frederic Weisbecker
parent 34dc27f02c
commit 950063c6e8
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
kernel/rcu/rcutorture.c
View File

@ -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++)