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[95.203.1.180]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-556384cea54sm5685e87.247.2025.07.03.08.36.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Jul 2025 08:36:05 -0700 (PDT) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Thu, 3 Jul 2025 17:36:02 +0200 To: Neeraj upadhyay Cc: "Paul E . McKenney" , Neeraj upadhyay , Joel Fernandes , RCU , LKML , Frederic Weisbecker , Joel Fernandes Subject: Re: [PATCH v3 2/2] Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc Message-ID: References: <20250702145938.66459-1-urezki@gmail.com> <20250702145938.66459-2-urezki@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250702145938.66459-2-urezki@gmail.com> On Wed, Jul 02, 2025 at 04:59:37PM +0200, Uladzislau Rezki (Sony) wrote: > Update the documentation about rcu_normal_wake_from_gp parameter. > > Reviewed-by: Joel Fernandes > Signed-off-by: Uladzislau Rezki (Sony) > --- > 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 > -- > 2.39.5 > Same this one. Are you planning? -- Uladzislau Rezki