On Mon, Sep 12, 2016 at 08:44:09PM -0700, Arve Hjønnevåg wrote: > A previous attempt to fix this problem, changed the lock to use > rt_mutex instead of mutex, but this apparently did not work as well as > this patch. I believe the added overhead was noticeable, and it did > not work when the preempted thread was in a different cgroup (I don't > know if this is still the case). Do you actually have RR/FIFO/DL tasks? Currently PI isn't defined/implemented for OTHER. cgroups should be irrelevant, PI is unaware of them. _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
