From: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>
To: Frederic Weisbecker <frederic@kernel.org>,
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>,
"Paul E . McKenney" <paulmck@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Zqiang <qiang.zhang1211@gmail.com>, rcu <rcu@vger.kernel.org>,
Dan Carpenter <dan.carpenter@linaro.org>
Subject: Re: [PATCH 5/6] rcuscale: Do a proper cleanup if kfree_scale_init() fails
Date: Mon, 11 Nov 2024 15:24:38 +0530 [thread overview]
Message-ID: <f4c8fcaf-185c-47f8-b926-5bc2429103a4@amd.com> (raw)
In-Reply-To: <20241106160223.42119-6-frederic@kernel.org>
> diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c
> index 6d37596deb1f..de7d511e6be4 100644
> --- a/kernel/rcu/rcuscale.c
> +++ b/kernel/rcu/rcuscale.c
> @@ -890,13 +890,13 @@ 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);
> - return -1;
> + goto unwind;
Do we need to set firsterr = -1 here before "goto unwind"? Otherwise, 0
is returned from kfree_scale_init().
> }
>
> 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);
> - return -1;
> + goto unwind;
Ditto
- Neeraj
> }
> }
>
next prev parent reply other threads:[~2024-11-11 9:54 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 [this message]
2024-11-11 10:53 ` Uladzislau Rezki
2024-11-11 11:22 ` Uladzislau Rezki
2024-11-06 16:02 ` [PATCH 6/6] rcuscale: Remove redundant WARN_ON_ONCE() splat Frederic Weisbecker
2024-11-11 17:35 ` [PATCH 0/6] RCU torture for v6.13 Neeraj Upadhyay
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