linux-kernel - [PATCH rcu 01/12] rcu: Make TASKS_RUDE_RCU select IRQ

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Message-Id: <20220419001233.3950188-1-paulmck@kernel.org>
Date:   Mon, 18 Apr 2022 17:12:22 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com,
        rostedt@...dmis.org, "Paul E. McKenney" <paulmck@...nel.org>,
        Hyeonggon Yoo <42.hyeyoo@...il.com>
Subject: [PATCH rcu 01/12] rcu: Make TASKS_RUDE_RCU select IRQ_WORK

The TASKS_RUDE_RCU does not select IRQ_WORK, which can result in build
failures for kernels that do not otherwise select IRQ_WORK.  This commit
therefore causes the TASKS_RUDE_RCU Kconfig option to select IRQ_WORK.

Reported-by: Hyeonggon Yoo <42.hyeyoo@...il.com>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 kernel/rcu/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig
index bf8e341e75b4..f559870fbf8b 100644
--- a/kernel/rcu/Kconfig
+++ b/kernel/rcu/Kconfig
@@ -86,6 +86,7 @@ config TASKS_RCU
 
 config TASKS_RUDE_RCU
 	def_bool 0
+	select IRQ_WORK
 	help
 	  This option enables a task-based RCU implementation that uses
 	  only context switch (including preemption) and user-mode
-- 
2.31.1.189.g2e36527f23