From: Paul E. McKenney <paulmck@kernel.org>
Date: Sat, 11 Apr 2020 00:05:22 +0000 (-0700)
Subject: rcu: Convert rcu_nohz_full_cpu() ULONG_CMP_LT() to time_before()
X-Git-Tag: v5.8-rc1~227^2~17^2~1
X-Git-Url: https://repo.jachan.dev/linux.git/commitdiff_plain/e2f3ccfa62001994ed3e81c309face75aaa8d372

rcu: Convert rcu_nohz_full_cpu() ULONG_CMP_LT() to time_before()

This commit converts the ULONG_CMP_LT() in rcu_nohz_full_cpu() to
time_before() to reflect the fact that it is comparing a timestamp to
the jiffies counter.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---

diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 5cd27c2916c0..5771e32a3840 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -2537,7 +2537,7 @@ static bool rcu_nohz_full_cpu(void)
 #ifdef CONFIG_NO_HZ_FULL
 	if (tick_nohz_full_cpu(smp_processor_id()) &&
 	    (!rcu_gp_in_progress() ||
-	     ULONG_CMP_LT(jiffies, READ_ONCE(rcu_state.gp_start) + HZ)))
+	     time_before(jiffies, READ_ONCE(rcu_state.gp_start) + HZ)))
 		return true;
 #endif /* #ifdef CONFIG_NO_HZ_FULL */
 	return false;