On Thu, 17 May 2018, Vince Weaver wrote:

> On Thu, 17 May 2018, Peter Zijlstra wrote:
> with cortex-a7 now, would it be possible to later drop that if proper 
> cortex-a53 support is added to the armv7 pmu driver?  Or would that lead 
> to all kinds of back-compatability mess?

For what it's worth, the pi-foundation kernel bcm2710 device tree file 

                arm-pmu {
#ifdef RPI364
                        compatible = "arm,armv8-pmuv3", "arm,cortex-a7-pmu";
                        compatible = "arm,cortex-a7-pmu";
                        interrupt-parent = <&local_intc>;
                        interrupts = <9>;

Which is probably where I was getting the arm,armv8-pmuv3 from in my 
original patch.


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