diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-08-09 12:12:52 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-08-09 12:12:52 +0200 |
| commit | d0ed4c60abfb9a4ab6cd416d1dea9df6266f8fc7 (patch) | |
| tree | 8fd3af1a9e788333e85d2a51a4fc2a9858a9a95a /drivers/acpi/pptt.c | |
| parent | 72a361a5b91c77b33ab2533674fdcec4de3278d0 (diff) | |
| parent | aba941392aeef2d1bc064a1e4b09293473ef7b9b (diff) | |
Merge branch 'acpi-scan' to satisfy dependencies.
Diffstat (limited to 'drivers/acpi/pptt.c')
| -rw-r--r-- | drivers/acpi/pptt.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c index e5ea1974d1e3..d1e26cb599bf 100644 --- a/drivers/acpi/pptt.c +++ b/drivers/acpi/pptt.c @@ -481,8 +481,14 @@ static int topology_get_acpi_cpu_tag(struct acpi_table_header *table, if (cpu_node) { cpu_node = acpi_find_processor_package_id(table, cpu_node, level, flag); - /* Only the first level has a guaranteed id */ - if (level == 0) + /* + * As per specification if the processor structure represents + * an actual processor, then ACPI processor ID must be valid. + * For processor containers ACPI_PPTT_ACPI_PROCESSOR_ID_VALID + * should be set if the UID is valid + */ + if (level == 0 || + cpu_node->flags & ACPI_PPTT_ACPI_PROCESSOR_ID_VALID) return cpu_node->acpi_processor_id; return ACPI_PTR_DIFF(cpu_node, table); } |