linux-kernel - [tip:sched/core] nohz: Convert tick_nohz_tick

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Date:   Wed, 21 Feb 2018 02:35:50 -0800
From:   tip-bot for Frederic Weisbecker <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     riel@...hat.com, mingo@...nel.org, peterz@...radead.org,
        hpa@...or.com, linux-kernel@...r.kernel.org, cl@...ux.com,
        lcapitulino@...hat.com, paulmck@...ux.vnet.ibm.com,
        cmetcalf@...lanox.com, tglx@...utronix.de, efault@....de,
        frederic@...nel.org, torvalds@...ux-foundation.org,
        kernellwp@...il.com
Subject: [tip:sched/core] nohz: Convert tick_nohz_tick_stopped() to bool

Commit-ID:  a364298359e74a414857bbbf3b725564feb22d09
Gitweb:     https://git.kernel.org/tip/a364298359e74a414857bbbf3b725564feb22d09
Author:     Frederic Weisbecker <frederic@...nel.org>
AuthorDate: Wed, 21 Feb 2018 05:17:24 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 21 Feb 2018 09:49:08 +0100

nohz: Convert tick_nohz_tick_stopped() to bool

It makes this function more self-explanatory about what it does and how
to use it.

Reported-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
Reviewed-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Peter Zijlstra <peterz@...radead.org>
Cc: Chris Metcalf <cmetcalf@...lanox.com>
Cc: Christoph Lameter <cl@...ux.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Luiz Capitulino <lcapitulino@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Rik van Riel <riel@...hat.com>
Cc: Wanpeng Li <kernellwp@...il.com>
Link: http://lkml.kernel.org/r/1519186649-3242-3-git-send-email-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 include/linux/tick.h     | 2 +-
 kernel/time/tick-sched.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/tick.h b/include/linux/tick.h
index 7cc3592..86576d9 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -113,7 +113,7 @@ enum tick_dep_bits {
 
 #ifdef CONFIG_NO_HZ_COMMON
 extern bool tick_nohz_enabled;
-extern int tick_nohz_tick_stopped(void);
+extern bool tick_nohz_tick_stopped(void);
 extern void tick_nohz_idle_enter(void);
 extern void tick_nohz_idle_exit(void);
 extern void tick_nohz_irq_exit(void);
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 29a5733..0aba041 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -481,7 +481,7 @@ static int __init setup_tick_nohz(char *str)
 
 __setup("nohz=", setup_tick_nohz);
 
-int tick_nohz_tick_stopped(void)
+bool tick_nohz_tick_stopped(void)
 {
 	return __this_cpu_read(tick_cpu_sched.tick_stopped);
 }