diff options
Diffstat (limited to 'drivers/acpi/acpi_processor.c')
| -rw-r--r-- | drivers/acpi/acpi_processor.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index c7ba948d253c..02b84aa69fa4 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -300,8 +300,11 @@ static int acpi_processor_get_info(struct acpi_device *device) * 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. + * + * NOTE: Even if the processor has a cpuid, it may not be present + * because cpuid <-> apicid mapping is persistent now. */ - if (invalid_logical_cpuid(pr->id)) { + if (invalid_logical_cpuid(pr->id) || !cpu_present(pr->id)) { int ret = acpi_processor_hotadd_init(pr); if (ret) return ret; |