AcoSail/kernel_optimize_test
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rcu: Remove unused rdp local from synchronize_rcu_expedited()

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Because rdp is initialized but never used in synchronize_rcu_expedited(),
this commit removes it.

Signed-off-by: Jiang Biao <benbjiang@tencent.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Jiang Biao 2019-04-23 09:21:55 +08:00 committed by Paul E. McKenney
parent 1bb336443c
commit f0b6356273
1 changed files with 0 additions and 2 deletions
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2
kernel/rcu/tree_exp.h
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@ -793,7 +793,6 @@ static int rcu_print_task_exp_stall(struct rcu_node *rnp)
*/
void synchronize_rcu_expedited(void)
{
struct rcu_data *rdp;
struct rcu_exp_work rew;
struct rcu_node *rnp;
unsigned long s;
@ -830,7 +829,6 @@ void synchronize_rcu_expedited(void)
}
/* Wait for expedited grace period to complete. */
rdp = per_cpu_ptr(&rcu_data, raw_smp_processor_id());
rnp = rcu_get_root();
wait_event(rnp->exp_wq[rcu_seq_ctr(s) & 0x3],
sync_exp_work_done(s));