Messages in this thread | | | Date | Tue, 13 Sep 2016 09:32:59 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH] android: binder: Disable preemption while holding the global binder lock |
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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.
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