Messages in this thread | | | Date | Thu, 2 Apr 2015 20:06:26 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v3] watchdog: add watchdog_cpumask sysctl to assist nohz |
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On Thu, Apr 02, 2015 at 01:39:28PM -0400, cmetcalf@ezchip.com wrote: > @@ -431,6 +434,10 @@ static void watchdog_enable(unsigned int cpu) > hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); > hrtimer->function = watchdog_timer_fn; > > + /* Exit if the cpu is not allowed for watchdog. */ > + if (!cpumask_test_cpu(cpu, watchdog_mask)) > + do_exit(0); > +
Ick, that doesn't look right for smpboot threads.
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