[PATCH] nohz: add missing handling of clocksource watchdog

[Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>]

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)\0ÿôèº{.nÇ+‰·Ÿ®‰­†+%ŠËÿ±éݶ\x17¥Šwÿº{.nÇ+‰·¥Š{±þG«éÿŠ{ayº\x1dʇڙë,j\a­¢f£¢·hšïêÿ‘êçz_è®\x03(­éšŽŠÝ¢j"ú\x1a¶^[m§ÿÿ¾\a«þG«éÿ¢¸?™¨è­Ú&£ø§~á¶iO•æ¬z·švØ^\x14\x04\x1a¶^[m§ÿÿÃ\fÿ¶ìÿ¢¸?–I¥