Re: [PATCH] perf/x86/uncore: Correct the number of CHAs on SPR

Peter Zijlstra
2023-05-24T20:22:01Z

On Wed, May 24, 2023 at 03:10:00PM -0400, Liang, Kan wrote:
> Hi Peter,
>
> On 2023-05-08 12:16 p.m., Stephane Eranian wrote:
> > On Mon, May 8, 2023 at 7:05 AM <kan.liang@linux.intel.com> wrote:
> >>
> >> From: Kan Liang <kan.liang@linux.intel.com>
> >>
> >> The number of CHAs from the discovery table on some SPR variants is
> >> incorrect, because of a firmware issue. An accurate number can be read
> >> from the MSR UNC_CBO_CONFIG.
> >>
> >> Fixes: 949b11381f81 ("perf/x86/intel/uncore: Add Sapphire Rapids server CHA support")
> >> Reported-by: Stephane Eranian <eranian@google.com>
> >> Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
> >
> > Tested-by: Stephane Eranian <eranian@google.com>
> >
>
> Gentle ping.

Urgh, too much email.. Queued for perf/urgent.