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authorPaul E. McKenney <paulmck@kernel.org>2023-06-03 09:07:44 -0700
committerPaul E. McKenney <paulmck@kernel.org>2023-07-14 15:01:49 -0700
commita15ec57cfcf83858aced058e00a7feb824322fa4 (patch)
tree8692ce20e8810f403882d4190ffdeba618de6517 /kernel/rcu/rcuscale.c
parent271a8467a5f7ab7654f06541d2483b5340bb7192 (diff)
rcuscale: Add RCU Tasks Rude testing
Add a "tasks-rude" option to the rcuscale.scale_type module parameter. Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/rcu/rcuscale.c')
-rw-r--r--kernel/rcu/rcuscale.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c
index 35e06c86acc9..5ce3b4e7ce71 100644
--- a/kernel/rcu/rcuscale.c
+++ b/kernel/rcu/rcuscale.c
@@ -310,6 +310,35 @@ static struct rcu_scale_ops tasks_ops = {
#endif // #else // #ifdef CONFIG_TASKS_RCU
+#ifdef CONFIG_TASKS_RUDE_RCU
+
+/*
+ * Definitions for RCU-tasks-rude scalability testing.
+ */
+
+static struct rcu_scale_ops tasks_rude_ops = {
+ .ptype = RCU_TASKS_RUDE_FLAVOR,
+ .init = rcu_sync_scale_init,
+ .readlock = tasks_scale_read_lock,
+ .readunlock = tasks_scale_read_unlock,
+ .get_gp_seq = rcu_no_completed,
+ .gp_diff = rcu_seq_diff,
+ .async = call_rcu_tasks_rude,
+ .gp_barrier = rcu_barrier_tasks_rude,
+ .sync = synchronize_rcu_tasks_rude,
+ .exp_sync = synchronize_rcu_tasks_rude,
+ .rso_gp_kthread = get_rcu_tasks_rude_gp_kthread,
+ .name = "tasks-rude"
+};
+
+#define TASKS_RUDE_OPS &tasks_rude_ops,
+
+#else // #ifdef CONFIG_TASKS_RUDE_RCU
+
+#define TASKS_RUDE_OPS
+
+#endif // #else // #ifdef CONFIG_TASKS_RUDE_RCU
+
#ifdef CONFIG_TASKS_TRACE_RCU
/*
@@ -913,7 +942,7 @@ rcu_scale_init(void)
long i;
int firsterr = 0;
static struct rcu_scale_ops *scale_ops[] = {
- &rcu_ops, &srcu_ops, &srcud_ops, TASKS_OPS TASKS_TRACING_OPS
+ &rcu_ops, &srcu_ops, &srcud_ops, TASKS_OPS TASKS_RUDE_OPS TASKS_TRACING_OPS
};
if (!torture_init_begin(scale_type, verbose))