Re: [PATCH v2 2/2] perf/arm-ccn: Remove broken race mitigation

2019-04-04 Thread Suzuki K Poulose
Hi Robin, On 03/04/2019 18:10, Robin Murphy wrote: Like arm-cci, arm-ccn has the same issue of disabling preemption around operations which can take mutexes. Again, remove the definite bug by simply not trying to fight the theoretical races. And since we are touching the hotplug handling code, t

[PATCH v2 2/2] perf/arm-ccn: Remove broken race mitigation

2019-04-03 Thread Robin Murphy
Like arm-cci, arm-ccn has the same issue of disabling preemption around operations which can take mutexes. Again, remove the definite bug by simply not trying to fight the theoretical races. And since we are touching the hotplug handling code, take the opportunity to streamline it, as there's reall