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)" <neeraj.upadhyay@kernel.org>
Subject: [PATCH rcu 4/5] Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc
Date: Wed, 9 Jul 2025 16:11:17 +0530 [thread overview]
Message-ID: <20250709104118.15532-5-neeraj.upadhyay@kernel.org> (raw)
In-Reply-To: <20250709104118.15532-1-neeraj.upadhyay@kernel.org>
From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
Update the documentation about rcu_normal_wake_from_gp parameter.
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Neeraj Upadhyay (AMD) <neeraj.upadhyay@kernel.org>
---
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
next prev parent reply other threads:[~2025-07-09 10:41 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-09 10:41 [PATCH rcu 0/5] RCU changes for v6.17 neeraj.upadhyay
2025-07-09 10:41 ` [PATCH rcu 1/5] rcu: Robustify rcu_is_cpu_rrupt_from_idle() neeraj.upadhyay
2025-07-09 10:41 ` [PATCH rcu 2/5] rcu: Protect ->defer_qs_iw_pending from data race neeraj.upadhyay
2025-07-09 11:27 ` Frederic Weisbecker
2025-07-09 10:41 ` [PATCH rcu 3/5] rcu: Enable rcu_normal_wake_from_gp on small systems neeraj.upadhyay
2025-07-09 11:36 ` Frederic Weisbecker
2025-07-09 10:41 ` neeraj.upadhyay [this message]
2025-07-09 11:37 ` [PATCH rcu 4/5] Documentation/kernel-parameters: Update rcu_normal_wake_from_gp doc Frederic Weisbecker
2025-07-09 10:41 ` [PATCH rcu 5/5] rcu: Fix rcu_read_unlock() deadloop due to IRQ work neeraj.upadhyay
2025-07-09 12:48 ` Frederic Weisbecker
2025-07-10 19:41 ` Joel Fernandes
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250709104118.15532-5-neeraj.upadhyay@kernel.org \
--to=neeraj.upadhyay@kernel.org \
--cc=boqun.feng@gmail.com \
--cc=frederic@kernel.org \
--cc=jiangshanlai@gmail.com \
--cc=joelagnelf@nvidia.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mathieu.desnoyers@efficios.com \
--cc=neeraj.iitr10@gmail.com \
--cc=neeraj.upadhyay@amd.com \
--cc=paulmck@kernel.org \
--cc=qiang.zhang1211@gmail.com \
--cc=rcu@vger.kernel.org \
--cc=rostedt@goodmis.org \
--cc=urezki@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).