Re: [Patch v3 0/7] x86 perf bug fixes and optimization

[Peter Zijlstra]

On Wed, Aug 20, 2025 at 08:55:24AM -0700, Liang, Kan wrote:

> > Dapeng Mi (7):
> >   perf/x86/intel: Use early_initcall() to hook bts_init()
> >   perf/x86/intel: Fix IA32_PMC_x_CFG_B MSRs access error
> >   perf/x86: Check if cpuc->events[*] pointer exists before accessing it
> >   perf/x86: Add PERF_CAP_PEBS_TIMING_INFO flag
> >   perf/x86/intel: Change macro GLOBAL_CTRL_EN_PERF_METRICS to
> >     BIT_ULL(48)
> >   perf/x86/intel: Add ICL_FIXED_0_ADAPTIVE bit into
> >     INTEL_FIXED_BITS_MASK
> >   perf/x86: Print PMU counters bitmap in x86_pmu_show_pmu_cap()
> >
> 
> The series looks good to me.
> 
> Reviewed-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>

I've picked up all but patch 3 -- I really don't think that does the
right thing.