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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH] nohz: add missing handling of clocksource watchdog
Date: Mon, 8 Dec 2008 00:15:22 +0100
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Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>,
       Lars Winterfeld <lars.winterfeld@tu-ilmenau.de>,
       linux-kernel@vger.kernel.org
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Fixes "Clocksource tsc unstable (delta = -974982308 ns)" problem.
[ IDE was unlucky to be initialized at the same time that  clocksource watchdog triggers and was blamed for the issue. ]
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>Cc: Lars Winterfeld <lars.winterfeld@tu-ilmenau.de>Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>--- kernel/time/tick-sched.c |    2 ++ 1 file changed, 2 insertions(+)
Index: b/kernel/time/tick-sched.c===================================================================--- a/kernel/time/tick-sched.c+++ b/kernel/time/tick-sched.c@@ -21,6 +21,7 @@ #include <linux/sched.h> #include <linux/tick.h> #include <linux/module.h>+#include <linux/clocksource.h>  #include <asm/irq_regs.h> @@ -153,6 +154,7 @@ void tick_nohz_update_jiffies(void) 	local_irq_restore(flags);  	touch_softlockup_watchdog();+	clocksource_touch_watchdog(); }  static void tick_nohz_stop_idle(int cpu) ????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m????????????I?