On 08-12-15, 14:18, Rafael J. Wysocki wrote: > Well, if the timer function runs on all CPUs at the same time, they all > can see skip_work > 1 and none of them will queue the work.
You are talking about code after my patch, right? Will will all of them see it > 1? At least one of them will see it 0 and queue the work, unless the governor is stopped completely. > You are right, I've overlooked that race (but then it is rather easy to > overlook). Yeah, we (at least I) took a long time to understand that this was the real problem we always had and so fixed it recently. -- viresh -- 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/
