diff options
| author | David E. Box <david.e.box@linux.intel.com> | 2023-04-13 04:29:22 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2023-04-17 13:12:21 +0300 |
| commit | 3f581602a22cc5445a66501fa13a80894d83e42a (patch) | |
| tree | 0fc4951652bb2889b1c0bb1cef563f14b7020136 /drivers/platform | |
| parent | efebfa80ce24cba9e7af786e9dec911cf9e7b35d (diff) | |
| download | linux-3f581602a22cc5445a66501fa13a80894d83e42a.tar.xz | |
platform/x86/intel/pmt: Ignore uninitialized entries
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@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230413012922.1521377-1-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/intel/pmt/telemetry.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |