On 06/24/2015 05:03 PM, Dave Hansen wrote: > In any case, we ratelimit might_sleep() checks anyway. But, we > do the ratelimiting *after* we check the other conditions for > might_sleep() including the (costly) irqs_disabled() call.
Thinking about this a bit more, this patch is wrong. This only does a _check_ once per jiffy instead of just one warning per jiffy, which is totally bogus. I would be interested, though, if anybody has any ideas about speeding up the irqs_disabled() checking. -- 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/