[PATCH] timer-irq-driven soft-watchdog, cleanups
Make the softlockup detector purely timer-interrupt driven, removing softirq-context (timer) dependencies. This means that if the softlockup watchdog triggers, it has truly observed a longer than 10 seconds scheduling delay of a SCHED_FIFO prio 99 task. (the patch also turns off the softlockup detector during the initial bootup phase and does small style fixes) Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Linus Torvalds

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6a4d11c2ab
commit
6687a97d40
@@ -206,11 +206,11 @@ extern void update_process_times(int user);
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extern void scheduler_tick(void);
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#ifdef CONFIG_DETECT_SOFTLOCKUP
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extern void softlockup_tick(struct pt_regs *regs);
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extern void softlockup_tick(void);
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extern void spawn_softlockup_task(void);
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extern void touch_softlockup_watchdog(void);
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#else
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static inline void softlockup_tick(struct pt_regs *regs)
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static inline void softlockup_tick(void)
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{
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}
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static inline void spawn_softlockup_task(void)
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