diff options
Diffstat (limited to 'drivers/acpi/acpi_processor.c')
| -rw-r--r-- | drivers/acpi/acpi_processor.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index 0511f2bc10bc..e7ed4730cbbe 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -315,6 +315,18 @@ static int acpi_processor_get_info(struct acpi_device *device) } /* + * Register CPUs that are present. get_cpu_device() is used to skip + * duplicate CPU descriptions from firmware. + */ + if (!invalid_logical_cpuid(pr->id) && cpu_present(pr->id) && + !get_cpu_device(pr->id)) { + int ret = arch_register_cpu(pr->id); + + if (ret) + return ret; + } + + /* * Extra Processor objects may be enumerated on MP systems with * less than the max # of CPUs. They should be ignored _iff * they are physically not present. |