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From: paulmck@kernel.org
To: rcu@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com,
	mingo@kernel.org, jiangshanlai@gmail.com,
	akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
	josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org,
	rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
	fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org,
	"Paul E. McKenney" <paulmck@kernel.org>
Subject: [PATCH tip/core/rcu 6/8] doc: Remove obsolete rcutree.rcu_idle_lazy_gp_delay boot parameter
Date: Tue,  5 Jan 2021 16:54:05 -0800
Message-ID: <20210106005407.12295-6-paulmck@kernel.org> (raw)
In-Reply-To: <20210106005334.GA12159@paulmck-ThinkPad-P72>

From: "Paul E. McKenney" <paulmck@kernel.org>

This commit removes documentation for the rcutree.rcu_idle_lazy_gp_delay
kernel boot parameter given that this parameter no longer exists.

Fixes: 77a40f97030b ("rcu: Remove kfree_rcu() special casing and lazy-callback handling")
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
 Documentation/admin-guide/kernel-parameters.txt | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index c722ec1..b5baa8a 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4179,12 +4179,6 @@
 			Set wakeup interval for idle CPUs that have
 			RCU callbacks (RCU_FAST_NO_HZ=y).
 
-	rcutree.rcu_idle_lazy_gp_delay= [KNL]
-			Set wakeup interval for idle CPUs that have
-			only "lazy" RCU callbacks (RCU_FAST_NO_HZ=y).
-			Lazy RCU callbacks are those which RCU can
-			prove do nothing more than free memory.
-
 	rcutree.rcu_kick_kthreads= [KNL]
 			Cause the grace-period kthread to get an extra
 			wake_up() if it sleeps three times longer than
-- 
2.9.5


  parent reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-06  0:53 [PATCH tip/core/rcu 0/8] Documentation updates for v5.12 Paul E. McKenney
2021-01-06  0:54 ` [PATCH tip/core/rcu 1/8] docs: Remove redundant "``" from Requirements.rst paulmck
2021-01-06  0:54 ` [PATCH tip/core/rcu 2/8] doc: Remove obsolete RCU-bh and RCU-sched update-side API members paulmck
2021-01-06  0:54 ` [PATCH tip/core/rcu 3/8] list: Fix a typo at the kernel-doc markup paulmck
2021-01-06  0:54 ` [PATCH tip/core/rcu 4/8] docs: Fix typos and drop/fix dead links in RCU documentation paulmck
2021-01-06  0:54 ` [PATCH tip/core/rcu 5/8] doc: Update RCU requirements RCU_INIT_POINTER() description paulmck
2021-01-06  0:54 ` paulmck [this message]
2021-01-06  0:54 ` [PATCH tip/core/rcu 7/8] doc: Update RCU's requirements page about the PREEMPT_RT wiki paulmck
2021-01-06  0:54 ` [PATCH tip/core/rcu 8/8] doc: Use CONFIG_PREEMPTION paulmck

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