[PATCH v2 1/2] perf: Fujitsu: Add the Uncore MAC PMU driver

Yoshihiro Furudera (Fujitsu) fj5100bi at fujitsu.com
Thu Dec 19 18:26:57 PST 2024


Hi, Jonathan

> > > diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
> > > index a04b73c40173..21006d1cda59 100644
> > > --- a/include/linux/cpuhotplug.h
> > > +++ b/include/linux/cpuhotplug.h
> > > @@ -228,6 +228,7 @@ enum cpuhp_state {
> > >  	CPUHP_AP_PERF_ARM_CAVIUM_TX2_UNCORE_ONLINE,
> > >  	CPUHP_AP_PERF_ARM_MARVELL_CN10K_DDR_ONLINE,
> > >  	CPUHP_AP_PERF_ARM_MRVL_PEM_ONLINE,
> > > +	CPUHP_AP_PERF_ARM_FUJITSU_MAC_ONLINE,
> >
> > If the DYN option works for you, I think we should go with that.
> > Some more recent PMU drivers are already using it without problem.
> 
> I will try to do as you suggested, but I'll check it first.

After checking, we found that the Uncore MAC/PCI PMU driver's
CPU hotplug callback function has no dependency on other callback functions,
so we changed it to the DYN option.

Best Regards,
Yoshihiro Furudera


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