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refscale: Exercise DEFINE_STATIC_SRCU_FAST() and init_srcu_struct_fast()

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This commit updates the initialization for the "srcu-fast" scale
type to use DEFINE_STATIC_SRCU_FAST() when reader_flavor is equal to
SRCU_READ_FLAVOR_FAST.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: <bpf@vger.kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
This commit is contained in:
Paul E. McKenney
2025-11-02 14:49:41 -08:00
committed by Frederic Weisbecker
parent 609460a6db
commit 81f00c462e
1 changed files with 8 additions and 1 deletions
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9
kernel/rcu/refscale.c
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@@ -184,6 +184,7 @@ static const struct ref_scale_ops rcu_ops = {
// Definitions for SRCU ref scale testing.
DEFINE_STATIC_SRCU(srcu_refctl_scale);
DEFINE_STATIC_SRCU_FAST(srcu_fast_refctl_scale);
static struct srcu_struct *srcu_ctlp = &srcu_refctl_scale;
static void srcu_ref_scale_read_section(const int nloops)
@@ -216,6 +217,12 @@ static const struct ref_scale_ops srcu_ops = {
.name = "srcu"
};
static bool srcu_fast_sync_scale_init(void)
{
srcu_ctlp = &srcu_fast_refctl_scale;
return true;
}
static void srcu_fast_ref_scale_read_section(const int nloops)
{
int i;
@@ -240,7 +247,7 @@ static void srcu_fast_ref_scale_delay_section(const int nloops, const int udl, c
}
static const struct ref_scale_ops srcu_fast_ops = {
.init = rcu_sync_scale_init,
.init = srcu_fast_sync_scale_init,
.readsection = srcu_fast_ref_scale_read_section,
.delaysection = srcu_fast_ref_scale_delay_section,
.name = "srcu-fast"