linux-kernel - [PATCH-mm] tick-management touch softlockup watchdog on resume

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Message-Id: <1170092456.29240.21.camel@localhost.localdomain>
Date:	Mon, 29 Jan 2007 18:40:56 +0100
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Andrew Morton <akpm@...l.org>
Cc:	Jiri Kosina <jikos@...os.cz>, Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH-mm] tick-management touch softlockup watchdog on resume

The softlockup watchdog needs to be touched after resume to avoid a
false positive.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Jiri Kosina <jkosina@...e.cz>

Index: linux-2.6.20-rc6-mm/kernel/time/tick-common.c
===================================================================
--- linux-2.6.20-rc6-mm.orig/kernel/time/tick-common.c
+++ linux-2.6.20-rc6-mm/kernel/time/tick-common.c
@@ -320,6 +320,7 @@ static int tick_notify(struct notifier_b
 
 	case CLOCK_EVT_NOTIFY_RESUME:
 		tick_resume_jiffy_update();
+		touch_softlockup_watchdog();
 		break;
 
 	case CLOCK_EVT_NOTIFY_CPU_DEAD:


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