author: Thomas Gleixner <tglx@linutronix.de> 2021-09-21 23:12:50 +0200
committer: Minda Chen <minda.chen@starfivetech.com> 2023-11-06 19:24:37 +0800
commit: 47a0858334bfa170d06e04bff807d8c6a41230aa
parent: 7e61f06219e05739852bc9d60c37d4fea1ed401e
Commit Summary:
Diffstat:
1 file changed, 4 insertions, 3 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index bce848e50512..937b96ce1510 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2278,13 +2278,13 @@ rcu_report_qs_rdp(struct rcu_data *rdp)
{
unsigned long flags;
unsigned long mask;
- bool needwake = false;
- const bool offloaded = rcu_rdp_is_offloaded(rdp);
+ bool offloaded, needwake = false;
struct rcu_node *rnp;
WARN_ON_ONCE(rdp->cpu != smp_processor_id());
rnp = rdp->mynode;
raw_spin_lock_irqsave_rcu_node(rnp, flags);
+ offloaded = rcu_rdp_is_offloaded(rdp);
if (rdp->cpu_no_qs.b.norm || rdp->gp_seq != rnp->gp_seq ||
rdp->gpwrap) {
@@ -2446,7 +2446,7 @@ static void rcu_do_batch(struct rcu_data *rdp)
int div;
bool __maybe_unused empty;
unsigned long flags;
- const bool offloaded = rcu_rdp_is_offloaded(rdp);
+ bool offloaded;
struct rcu_head *rhp;
struct rcu_cblist rcl = RCU_CBLIST_INITIALIZER(rcl);
long bl, count = 0;
@@ -2472,6 +2472,7 @@ static void rcu_do_batch(struct rcu_data *rdp)
rcu_nocb_lock(rdp);
WARN_ON_ONCE(cpu_is_offline(smp_processor_id()));
pending = rcu_segcblist_n_cbs(&rdp->cblist);
+ offloaded = rcu_rdp_is_offloaded(rdp);
div = READ_ONCE(rcu_divisor);
div = div < 0 ? 7 : div > sizeof(long) * 8 - 2 ? sizeof(long) * 8 - 2 : div;
bl = max(rdp->blimit, pending >> div);