Re: [PATCH V2 4/6] x86/intel_rdt: Add helper to obtain performance counter index

Hi Peter, On 9/6/2018 7:47 AM, Peter Zijlstra wrote: > On Thu, Aug 16, 2018 at 01:16:07PM -0700, Reinette Chatre wrote: > >> +static inline int x86_perf_rdpmc_ctr_get(struct perf_event *event) >> +{ >> +lockdep_assert_irqs_disabled(); >> + >> +return IS_ERR_OR_NULL(event) ? -1 : event->hw

Re: [PATCH V2 4/6] x86/intel_rdt: Add helper to obtain performance counter index

On Thu, Aug 16, 2018 at 01:16:07PM -0700, Reinette Chatre wrote: > +static inline int x86_perf_rdpmc_ctr_get(struct perf_event *event) > +{ > + lockdep_assert_irqs_disabled(); > + > + return IS_ERR_OR_NULL(event) ? -1 : event->hw.event_base_rdpmc; > +} That should be in arch/x86/include/a