On Wed, 13 Aug 2014 18:30:15 +0200 Peter Zijlstra <pet...@infradead.org> wrote:
> On Wed, Aug 13, 2014 at 07:43:32AM -0700, Paul E. McKenney wrote: > > o drivers/acpi/acpi_pad.c, power_saving_thread(). > > > > Looks like a kthread that does idle injection. Currently, > > RCU sees it as not a quiescent state. Would it kill these guys to > > put in a comment or two about what this is for??? > > > > So adding rcu_idle_enter() and rcu_idle_exit() here might > > actually fix a bug, though it is not clear how long this > > thing actually runs. If only for a few milliseconds, no harm done. > > > > > o drivers/thermal/intel_powerclamp.c, clamp_thread(). > > > > Looks similar to power_saving_thread(), but for thermal > > control. Probably short term, shouldn't be a problem either way. > > > > There's patches somewhere that make that go-away > > https://lkml.org/lkml/2014/6/4/56 > > Jacob was going to look at that. yes, it is on my plate, plan to submit for 3.18. the idle period is only for a few miliseconds, default to 6ms. Thanks, Jacob -- 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/
