From: "Paul E. McKenney" <paulmck@kernel.org>
To: rcu@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com,
rostedt@goodmis.org, Alison Chaiken <achaiken@aurora.tech>,
"Paul E . McKenney" <paulmck@kernel.org>
Subject: [PATCH rcu 08/10] rcu: Update documentation regarding kthread_prio cmdline parameter
Date: Fri, 4 Feb 2022 15:24:04 -0800 [thread overview]
Message-ID: <20220204232406.814-8-paulmck@kernel.org> (raw)
In-Reply-To: <20220204232355.GA728@paulmck-ThinkPad-P17-Gen-1>
From: Alison Chaiken <achaiken@aurora.tech>
Inform readers that the priority of RCU no-callback threads will also
be boosted.
Signed-off-by: Alison Chaiken <achaiken@aurora.tech>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
Documentation/admin-guide/kernel-parameters.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index f5a27f067db9e..8e2e65122b993 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4504,6 +4504,8 @@
(the least-favored priority). Otherwise, when
RCU_BOOST is not set, valid values are 0-99 and
the default is zero (non-realtime operation).
+ When RCU_NOCB_CPU is set, also adjust the
+ priority of NOCB callback kthreads.
rcutree.rcu_nocb_gp_stride= [KNL]
Set the number of NOCB callback kthreads in
--
2.31.1.189.g2e36527f23
next prev parent reply other threads:[~2022-02-04 23:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-04 23:23 [PATCH rcu 0/10] Real-time-related updates for v5.18 Paul E. McKenney
2022-02-04 23:23 ` [PATCH rcu 01/10] rcu: Mark accesses to boost_starttime Paul E. McKenney
2022-02-04 23:23 ` [PATCH rcu 02/10] rcu/nocb: Handle concurrent nocb kthreads creation Paul E. McKenney
2022-02-04 23:23 ` [PATCH rcu 03/10] rcu: Remove unused rcu_state.boost Paul E. McKenney
2022-02-04 23:24 ` [PATCH rcu 04/10] rcu: Create per-cpu rcuc kthreads only when rcutree.use_softirq=0 Paul E. McKenney
2022-02-04 23:24 ` [PATCH rcu 05/10] rcu: Move kthread_prio bounds-check to a separate function Paul E. McKenney
2022-02-04 23:24 ` [PATCH rcu 06/10] rcu: Make priority of grace-period thread consistent Paul E. McKenney
2022-02-04 23:24 ` [PATCH rcu 07/10] rcu: Elevate priority of offloaded callback threads Paul E. McKenney
2022-02-04 23:24 ` Paul E. McKenney [this message]
2022-02-04 23:24 ` [PATCH rcu 09/10] rcu: Don't deboost before reporting expedited quiescent state Paul E. McKenney
2022-02-04 23:24 ` [PATCH rcu 10/10] rcu: Add per-CPU rcuc task dumps to RCU CPU stall warnings Paul E. McKenney
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