On Thu, Sep 20, 2018 at 05:10:18PM -0400, Liang, Kan wrote:
> 
> 
> On 9/20/2018 4:55 PM, Thomas Gleixner wrote:
> > On Mon, 10 Sep 2018, Masayoshi Mizuma wrote:
> > 
> > CC+ Kan
> > 
> > > From: Masayoshi Mizuma <[email protected]>
> > > 
> > > Physical package id 0 is not always exists. We should use
> > > boot_cpu_data.phys_proc_id here.
> > > 
> > > Signed-off-by: Masayoshi Mizuma <[email protected]>
> > > ---
> > >   arch/x86/events/intel/uncore_snbep.c | 2 +-
> > >   1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/arch/x86/events/intel/uncore_snbep.c 
> > > b/arch/x86/events/intel/uncore_snbep.c
> > > index 51d7c11..53b981d 100644
> > > --- a/arch/x86/events/intel/uncore_snbep.c
> > > +++ b/arch/x86/events/intel/uncore_snbep.c
> > > @@ -3061,7 +3061,7 @@ static struct event_constraint 
> > > bdx_uncore_pcu_constraints[] = {
> > >   void bdx_uncore_cpu_init(void)
> > >   {
> > > - int pkg = topology_phys_to_logical_pkg(0);
> > > + int pkg = topology_phys_to_logical_pkg(boot_cpu_data.phys_proc_id);
> 
> I think it's better to use logical_proc_id directly.
> 
> +     int pkg = boot_cpu_data.logical_proc_id;

Thanks! I'll send the v2.

- Masa

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