linux-kernel - [tip:core/urgent] watchdog/core: Add missing prototypes for weak functions

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Message-ID: <tip-81bd415c91eb966118d773dddf254aebf3022411@git.kernel.org>
Date:   Tue, 6 Nov 2018 14:21:52 -0800
From:   tip-bot for Mathieu Malaterre <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     tglx@...utronix.de, linux-kernel@...r.kernel.org, malat@...ian.org,
        babu.moger@...cle.com, mingo@...nel.org, hpa@...or.com
Subject: [tip:core/urgent] watchdog/core: Add missing prototypes for weak
 functions

Commit-ID:  81bd415c91eb966118d773dddf254aebf3022411
Gitweb:     https://git.kernel.org/tip/81bd415c91eb966118d773dddf254aebf3022411
Author:     Mathieu Malaterre <malat@...ian.org>
AuthorDate: Wed, 6 Jun 2018 21:42:32 +0200
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Tue, 6 Nov 2018 21:58:00 +0100

watchdog/core: Add missing prototypes for weak functions

The split out of the hard lockup detector exposed two new weak functions,
but no prototypes for them, which triggers the build warning:

  kernel/watchdog.c:109:12: warning: no previous prototype for ‘watchdog_nmi_enable’ [-Wmissing-prototypes]
  kernel/watchdog.c:115:13: warning: no previous prototype for ‘watchdog_nmi_disable’ [-Wmissing-prototypes]

Add the prototypes.

Fixes: 73ce0511c436 ("kernel/watchdog.c: move hardlockup detector to separate file")
Signed-off-by: Mathieu Malaterre <malat@...ian.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Babu Moger <babu.moger@...cle.com>
Cc: stable@...r.kernel.org
Link: https://lkml.kernel.org/r/20180606194232.17653-1-malat@debian.org
---
 include/linux/nmi.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 08f9247e9827..9003e29cde46 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -119,6 +119,8 @@ static inline int hardlockup_detector_perf_init(void) { return 0; }
 void watchdog_nmi_stop(void);
 void watchdog_nmi_start(void);
 int watchdog_nmi_probe(void);
+int watchdog_nmi_enable(unsigned int cpu);
+void watchdog_nmi_disable(unsigned int cpu);
 
 /**
  * touch_nmi_watchdog - restart NMI watchdog timeout.