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(parent: a531a14) | patch
softlockup: fix false positives on CONFIG_NOHZ
authorThomas Gleixner <tglx@linutronix.de>
Wed, 28 Nov 2007 14:52:56 +0000 (15:52 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 28 Nov 2007 14:52:56 +0000 (15:52 +0100)
commitd3938204468dccae16be0099a2abf53db4ed0505
treec38797ab6c6f0ef19e1da713da2c079c691affc7tree | snapshot
parenta531a141089714efe39eca89593524fdf05104f2commit | diff
softlockup: fix false positives on CONFIG_NOHZ

David Miller reported soft lockup false-positives that trigger
on NOHZ due to CPUs idling for more than 10 seconds.

The solution is touch the softlockup watchdog when we return from
idle. (by definition we are not 'locked up' when we were idle)

 http://bugzilla.kernel.org/show_bug.cgi?id=9409

Reported-by: David Miller <davem@davemloft.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/time/tick-sched.c diff | blob | history
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