Hi, On 4/13/23 12:13, Ilpo Järvinen wrote: > 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> Thank you both for the patch + review, I've applied this patch to my review-hans branch: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans Note it will show up in my review-hans branch once I've pushed my local branch there, which might take a while. Once I've run some tests on this branch the patches there will be added to the platform-drivers-x86/for-next branch and eventually will be included in the pdx86 pull-request to Linus for the next merge-window. Regards, Hans
