From: Frederic Weisbecker <frederic@kernel.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: "Uladzislau Rezki (Sony)" <urezki@gmail.com>,
Boqun Feng <boqun.feng@gmail.com>,
Joel Fernandes <joel@joelfernandes.org>,
Josh Triplett <josh@joshtriplett.org>,
Lai Jiangshan <jiangshanlai@gmail.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Neeraj Upadhyay <neeraj.upadhyay@amd.com>,
"Paul E . McKenney" <paulmck@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Zqiang <qiang.zhang1211@gmail.com>, rcu <rcu@vger.kernel.org>,
Frederic Weisbecker <frederic@kernel.org>
Subject: [PATCH 6/6] rcuscale: Remove redundant WARN_ON_ONCE() splat
Date: Wed, 6 Nov 2024 17:02:23 +0100 [thread overview]
Message-ID: <20241106160223.42119-7-frederic@kernel.org> (raw)
In-Reply-To: <20241106160223.42119-1-frederic@kernel.org>
From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
There are two places where WARN_ON_ONCE() is called two times
in the error paths. One which is encapsulated into if() condition
and another one, which is unnecessary, is placed in the brackets.
Remove an extra WARN_ON_ONCE() splat which is in brackets.
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
---
kernel/rcu/rcuscale.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c
index de7d511e6be4..1d8bb603c289 100644
--- a/kernel/rcu/rcuscale.c
+++ b/kernel/rcu/rcuscale.c
@@ -889,13 +889,11 @@ kfree_scale_init(void)
if (WARN_ON_ONCE(jiffies_at_lazy_cb - jif_start < 2 * HZ)) {
pr_alert("ERROR: call_rcu() CBs are not being lazy as expected!\n");
- WARN_ON_ONCE(1);
goto unwind;
}
if (WARN_ON_ONCE(jiffies_at_lazy_cb - jif_start > 3 * HZ)) {
pr_alert("ERROR: call_rcu() CBs are being too lazy!\n");
- WARN_ON_ONCE(1);
goto unwind;
}
}
--
2.46.0
next prev parent reply other threads:[~2024-11-06 16:02 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-06 16:02 [PATCH 0/6] RCU torture for v6.13 Frederic Weisbecker
2024-11-06 16:02 ` [PATCH 1/6] torture: Add --no-affinity parameter to kvm.sh Frederic Weisbecker
2024-11-06 16:02 ` [PATCH 2/6] refscale: Correct affinity check Frederic Weisbecker
2024-11-06 16:02 ` [PATCH 3/6] rcuscale: Add guest_os_delay module parameter Frederic Weisbecker
2024-11-06 16:02 ` [PATCH 4/6] rcutorture: Avoid printing cpu=-1 for no-fault RCU boost failure Frederic Weisbecker
2024-11-06 16:02 ` [PATCH 5/6] rcuscale: Do a proper cleanup if kfree_scale_init() fails Frederic Weisbecker
2024-11-11 9:54 ` Neeraj Upadhyay
2024-11-11 10:53 ` Uladzislau Rezki
2024-11-11 11:22 ` Uladzislau Rezki
2024-11-06 16:02 ` Frederic Weisbecker [this message]
2024-11-11 17:35 ` [PATCH 0/6] RCU torture for v6.13 Neeraj Upadhyay
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