On Wed, 12 Apr 2023, David E. Box wrote: > On Intel Xeon, unused PMT regions will have uninitialized discovery headers > containing all 0xF. Instead of returning an error, just skip the region. > > Signed-off-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx> > --- > drivers/platform/x86/intel/pmt/telemetry.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/platform/x86/intel/pmt/telemetry.c b/drivers/platform/x86/intel/pmt/telemetry.c > index 71cdef42084a..39cbc87cc28a 100644 > --- a/drivers/platform/x86/intel/pmt/telemetry.c > +++ b/drivers/platform/x86/intel/pmt/telemetry.c > @@ -78,7 +78,7 @@ static int pmt_telem_header_decode(struct intel_pmt_entry *entry, > * reserved for future use. They have zero size. Do not fail > * probe for these. Just ignore them. > */ > - if (header->size == 0) > + if (header->size == 0 || header->access_type == 0xF) > return 1; > > return 0; Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx> -- i.