dc63afab1373b808442 parent 1c4cd6dd1d0fd3057bb6b8c87460049497889d1b author Ingo Molnar 1210599833 +0200 committer Ingo Molnar 1212149702 +0200 softlockup: fix false positives on nohz if CPU is 100% idle for more than 60 seconds Fix (probably theoretical only) rq->clock update bug: in tick_nohz_update_jiffies() [which is called on all irq entry on all cpus where the irq entry hits an idle cpu] we call touch_softlockup_watchdog() before we update jiffies. That works fine most of the time when idle timeouts are within 60 seconds. But when an idle timeout is beyond 60 seconds, jiffies is updated with a jump of more than 60 seconds, which causes a jump in cpu-clock of more than 60 seconds, triggering a false positive. Reported-by: David Miller Signed-off-by: Ingo Molnar û¿(•™