From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 075A928DF31; Wed, 9 Jul 2025 10:41:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752057720; cv=none; b=cG3uKMh7opZTBx/SupdDdXvpKg1S8ilSvfhLbkKFa3XntNdQj1X20ni6OpN2WeLIZ6pTtiTC3D2bBErRMvJCRdf7sNzThDEB0g3q641cPup9gI7FixVKLVsNvFUd4/2iD2joGfuSMLHUzSrysF8KOYGhKP3KPzQLekobFqIdJe0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752057720; c=relaxed/simple; bh=1ak+ddk3PY8OyM/OOq41y2PAuJg1y6QU46hpsXxpyMU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ctUR65lJv6Fm+hmaCsUS4OSnJf1g9L7G3kFGhT0yHA7GRHtRYwQIZEMa2LNgMTai0p2c+Epc5eO7oaTdeNed5rj33tW06W8XZ9ti4TZ+o4bWAAyDBg5XUJf3nj9m4w8If2fEqj1JItvoQzKFQ7Fd86TfVbf47ZemzHhLbvJtNiY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sLmooCTK; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="sLmooCTK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 57723C4CEF4; Wed, 9 Jul 2025 10:41:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752057719; bh=1ak+ddk3PY8OyM/OOq41y2PAuJg1y6QU46hpsXxpyMU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sLmooCTKn9KtC14IgonQpFWfXmWit/XjYARFd1Iy/zuEapOqFBndL5gY1kW0BVOPb 0K0Af+pIHhfgO4Zt86wyFUt4ToWb0Evu6fh1+eNzhM2uCvz/f8CkGuhoZuZU65BKQN WCw2RwUVWEjzmAvAlJYeolz+owd7ZmZhLECLWe0uCXt+n0hO1d19e4VNOcllyghH4a 2+m69q55ibM7bjR3vkYoOUwMNRheAfb7Ey0mzUzpR97d6PEHGGSPy2zR3eYsACGxpX q4OpF2z155BpFuVsb6GLXfmRvicIAsdATCai2Oxcf4LEFXCnhasZKOhPM20BiZ98L+ 4EmpL5uel2afg== From: neeraj.upadhyay@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, paulmck@kernel.org, joelagnelf@nvidia.com, frederic@kernel.org, boqun.feng@gmail.com, urezki@gmail.com, rostedt@goodmis.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, qiang.zhang1211@gmail.com, neeraj.iitr10@gmail.com, neeraj.upadhyay@amd.com, "Neeraj Upadhyay (AMD)" Subject: [PATCH rcu 4/5] Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc Date: Wed, 9 Jul 2025 16:11:17 +0530 Message-Id: <20250709104118.15532-5-neeraj.upadhyay@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20250709104118.15532-1-neeraj.upadhyay@kernel.org> References: <20250709104118.15532-1-neeraj.upadhyay@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Uladzislau Rezki (Sony)" Update the documentation about rcu_normal_wake_from_gp parameter. Reviewed-by: Joel Fernandes Signed-off-by: Uladzislau Rezki (Sony) Signed-off-by: Neeraj Upadhyay (AMD) --- 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 -- 2.40.1