[PATCH rcu 10/12] rcu: Initialize first_gp_fqs at declaration in rcu_gp_fqs()

Paul E. McKenney
2022-06-20T22:21:23Z

This commit saves a line of code by initializing the rcu_gp_fqs()
function's first_gp_fqs local variable in its declaration.

Reported-by: Frederic Weisbecker <frederic@kernel.org>
Reported-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
kernel/rcu/tree.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 7919d7b48fa6a..7d8e9cb852786 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1971,13 +1971,12 @@ static void rcu_gp_fqs(bool first_time)
*/
static noinline_for_stack void rcu_gp_fqs_loop(void)
{
- bool first_gp_fqs;
+ bool first_gp_fqs = true;
int gf = 0;
unsigned long j;
int ret;
struct rcu_node *rnp = rcu_get_root();

- first_gp_fqs = true;
j = READ_ONCE(jiffies_till_first_fqs);
if (rcu_state.cbovld)
gf = RCU_GP_FLAG_OVLD;
--
2.31.1.189.g2e36527f23