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Message-Id: <1359725603-20471-1-git-send-email-anish198519851985@gmail.com>
Date:	Fri,  1 Feb 2013 19:03:23 +0530
From:	anish kumar <anish198519851985@...il.com>
To:	akpm@...ux-foundation.org, dzickus@...hat.com, tglx@...utronix.de,
	mingo@...nel.org, chuansheng.liu@...el.com,
	linux-kernel@...r.kernel.org
Cc:	anish kumar <anish198519851985@...il.com>
Subject: [PATCH] [Watchdog][Trivial] Added comments to explain watchdog_disabled variable

From: anish kumar <anish198519851985@...il.com>

This watchdog_disabled flag is bit of cryptic.Howerver it's usefullnes is multifold.
Uses are:
1. Check if smpboot_register_percpu_thread function passed.
2. Makes sure that user enables and disables the watchdog in sequence
   i.e. enable watchdog->disable watchdog->enable watchdog
   Unlike enable watchdog->enable watchdog which is wrong.

Signed-off-by: anish kumar <anish198519851985@...il.com>
---
 kernel/watchdog.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 75a2ab3..6ef638b 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -155,6 +155,7 @@ void touch_all_softlockup_watchdogs(void)
 	for_each_online_cpu(cpu)
 		per_cpu(watchdog_touch_ts, cpu) = 0;
 }
+EXPORT_SYMBOL(touch_all_softlockup_watchdogs);
 
 #ifdef CONFIG_HARDLOCKUP_DETECTOR
 void touch_nmi_watchdog(void)
-- 
1.7.1

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