linux-kernel - [PATCH rcu v2 02/10] rcutorture: Set CONFIG_BOOTPARAM_HOTPLUG

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Date:   Wed, 22 Mar 2023 21:39:27 -0700
From:   Boqun Feng <boqun.feng@...il.com>
To:     rcu@...r.kernel.org
Cc:     Davidlohr Bueso <dave@...olabs.net>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Josh Triplett <josh@...htriplett.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        Neeraj Upadhyay <quic_neeraju@...cinc.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Shuah Khan <shuah@...nel.org>,
        Bhaskar Chowdhury <unixbhaskar@...il.com>,
        Boqun Feng <boqun.feng@...il.com>,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        "Zhang, Qiang1" <qiang1.zhang@...el.com>
Subject: [PATCH rcu v2 02/10] rcutorture: Set CONFIG_BOOTPARAM_HOTPLUG_CPU0 to offline CPU 0

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

There is now a BOOTPARAM_HOTPLUG_CPU0 Kconfig option that allows CPU 0
to be offlined on x86 systems.  This commit therefore sets this option in
the TREE01 rcutorture scenario in order to regularly test this capability.

Reported-by: "Zhang, Qiang1" <qiang1.zhang@...el.com>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
Signed-off-by: Boqun Feng <boqun.feng@...il.com>
---
 tools/testing/selftests/rcutorture/configs/rcu/TREE01 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE01 b/tools/testing/selftests/rcutorture/configs/rcu/TREE01
index 8ae41d5f81a3..04831ef1f9b5 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE01
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE01
@@ -15,3 +15,4 @@ CONFIG_DEBUG_LOCK_ALLOC=n
 CONFIG_RCU_BOOST=n
 CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
 CONFIG_RCU_EXPERT=y
+CONFIG_BOOTPARAM_HOTPLUG_CPU0=y
-- 
2.38.1