From: Joel Fernandes <joelagnelf@nvidia.com>
To: "Uladzislau Rezki (Sony)" <urezki@gmail.com>,
"Paul E . McKenney" <paulmck@kernel.org>,
Neeraj upadhyay <Neeraj.Upadhyay@amd.com>
Cc: Joel Fernandes <joel@joelfernandes.org>,
RCU <rcu@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
Frederic Weisbecker <frederic@kernel.org>
Subject: Re: [PATCH v2 2/2] Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc
Date: Wed, 11 Jun 2025 17:49:14 -0400 [thread overview]
Message-ID: <fcac9488-a755-40a3-a643-b7cf7288714e@nvidia.com> (raw)
In-Reply-To: <20250611175658.91361-2-urezki@gmail.com>
On 6/11/2025 1:56 PM, Uladzislau Rezki (Sony) wrote:
> Update the documentation about rcu_normal_wake_from_gp parameter.
>
> Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Thanks.
> ---
> Documentation/admin-guide/kernel-parameters.txt | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index f1f2c0874da9..f7e4bee2b823 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -5485,7 +5485,8 @@
> echo 1 > /sys/module/rcutree/parameters/rcu_normal_wake_from_gp
> or pass a boot parameter "rcutree.rcu_normal_wake_from_gp=1"
>
> - Default is 0.
> + Default is 1 if num_possible_cpus() <= 16 and it is not explicitly
> + disabled by the boot parameter passing 0.
>
> rcuscale.gp_async= [KNL]
> Measure performance of asynchronous
next prev parent reply other threads:[~2025-06-11 21:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-11 17:56 [PATCH v2 1/2] rcu: Enable rcu_normal_wake_from_gp on small systems Uladzislau Rezki (Sony)
2025-06-11 17:56 ` [PATCH v2 2/2] Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc Uladzislau Rezki (Sony)
2025-06-11 21:49 ` Joel Fernandes [this message]
2025-06-12 9:35 ` Uladzislau Rezki
2025-06-11 21:48 ` [PATCH v2 1/2] rcu: Enable rcu_normal_wake_from_gp on small systems Joel Fernandes
2025-06-12 9:35 ` Uladzislau Rezki
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