On Fri, Dec 29, 2017 at 09:59:04AM +0100, Corentin Labbe wrote: SNIP
> [ 1.494884] Exception stack(0xee845fb0 to 0xee845ff8) > [ 1.499933] 5fa0: 00000000 00000000 > 00000000 00000000 > [ 1.508100] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 > 00000000 00000000 > [ 1.516267] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 > [ 1.522871] r5:c06c2528 r4:00000000 > > This is due to get_cpu() in cci_pmu_probe() in drivers/bus/arm-cci.c which > disable preemption. > But now I do not know how to fix it. > My .config is below. yep, looks like cci_pmu_probe needs to be fixed.. can't call perf_pmu_register with preemption disabled jirka
