linux-kernel - [PATCH 3/5] tree/nocb: Adjust RCU_NOCB_WAKE

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Message-ID: <20230725232913.2981357-4-joel@joelfernandes.org>
Date:   Tue, 25 Jul 2023 23:29:08 +0000
From:   "Joel Fernandes (Google)" <joel@...lfernandes.org>
To:     linux-kernel@...r.kernel.org,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Frederic Weisbecker <frederic@...nel.org>,
        Neeraj Upadhyay <quic_neeraju@...cinc.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Josh Triplett <josh@...htriplett.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Zqiang <qiang.zhang1211@...il.com>,
        rcu@...r.kernel.org (open list:READ-COPY UPDATE (RCU))
Cc:     rcu@...r.kernel.org
Subject: [PATCH 3/5] tree/nocb: Adjust RCU_NOCB_WAKE_* macros from weaker to stronger

This is needed to make the next patch work correctly as we rely on the
strength of the wakeup when comparing deferred-wakeup types across
different CPUs.

Signed-off-by: Joel Fernandes (Google) <joel@...lfernandes.org>
---
 kernel/rcu/tree.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 192536916f9a..0f40a9c2b78d 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -288,8 +288,8 @@ struct rcu_data {
 
 /* Values for nocb_defer_wakeup field in struct rcu_data. */
 #define RCU_NOCB_WAKE_NOT	0
-#define RCU_NOCB_WAKE_BYPASS	1
-#define RCU_NOCB_WAKE_LAZY	2
+#define RCU_NOCB_WAKE_LAZY	1
+#define RCU_NOCB_WAKE_BYPASS	2
 #define RCU_NOCB_WAKE		3
 #define RCU_NOCB_WAKE_FORCE	4
 
-- 
2.41.0.487.g6d72f3e995-goog