On 07/10/2013 01:39 PM, Viresh Kumar wrote: > On 10 July 2013 09:42, Michael Wang <wang...@linux.vnet.ibm.com> wrote: >> I'm not sure what is supposed after notify CPUFREQ_GOV_STOP event, if it >> is in order to stop queued work and prevent follow work happen again, >> then it failed to, and we need some method to stop queue work again when >> CPUFREQ_GOV_STOP notified, like some flag in policy which will be >> checked before re-queue work in work. >> >> But if the event is just to sync the queued work but not prevent follow >> work happen, then things will become tough...we need confirm. > > After GOV_STOP, until the time GOV_START is called, we shouldn't be > queuing any work.
Thanks for the confirm :) seems like the root cause is very likely related with the problem Srivatsa discovered. I think the fix in his mail worth a try, but I need more investigations to confirm that's the right way... Regards, Michael Wang > -- > 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/ > -- 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/