sched: Remove duplicated tick_nohz_full_enabled() check

In sched_update_tick_dependency() there's two calls that check
whether nohz_full is enabled: tick_nohz_full_cpu() does it
implicitly, while there's also an explicit call to tick_nohz_full_enabled().

Remove the duplicated, open coded check.

[ mingo: Amended the changelog. ]

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/1595935075-14223-1-git-send-email-linmiaohe@huawei.com

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 9f33c77..296efd3 100644 (file)
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1961,12 +1961,7 @@ extern int __init sched_tick_offload_init(void);
  */
 static inline void sched_update_tick_dependency(struct rq *rq)
 {
-       int cpu;
-
-       if (!tick_nohz_full_enabled())
-               return;
-
-       cpu = cpu_of(rq);
+       int cpu = cpu_of(rq);
 
        if (!tick_nohz_full_cpu(cpu))
                return;