This series added: + /* Return 50% of the actual maximum, so we can detect bad values */ + max_nsecs >>= 1;
and then... On Fri, Jan 09, 2015 at 04:34:21PM -0800, John Stultz wrote: > @@ -760,7 +746,8 @@ void __clocksource_updatefreq_scale(struct clocksource > *cs, u32 scale, u32 freq) > cs->maxadj = clocksource_max_adjustment(cs); > } > > - cs->max_idle_ns = clocksource_max_deferment(cs); > + cs->max_idle_ns = clocks_calc_max_nsecs(cs->mult, cs->shift, > + cs->maxadj, cs->mask); > } > EXPORT_SYMBOL_GPL(__clocksource_updatefreq_scale); > > @@ -807,7 +794,8 @@ int clocksource_register(struct clocksource *cs) > cs->name); > > /* calculate max idle time permitted for this clocksource */ > - cs->max_idle_ns = clocksource_max_deferment(cs); > + cs->max_idle_ns = clocks_calc_max_nsecs(cs->mult, cs->shift, > + cs->maxadj, cs->mask); ... the whole world's maximum idle time is artificially reduced by half in order to catch some rare HW bug? Not a very green solution. Thanks, Richard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
