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-rw-r--r--drivers/acpi/processor_core.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index a3cc8a98255c..d9316ab66347 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -840,17 +840,19 @@ static int is_processor_present(acpi_handle handle)
status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
- /*
- * if a processor object does not have an _STA object,
- * OSPM assumes that the processor is present.
- */
- if (status == AE_NOT_FOUND)
- return 1;
if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_PRESENT))
return 1;
- ACPI_EXCEPTION((AE_INFO, status, "Processor Device is not present"));
+ /*
+ * _STA is mandatory for a processor that supports hot plug
+ */
+ if (status == AE_NOT_FOUND)
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Processor does not support hot plug\n"));
+ else
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Processor Device is not present"));
return 0;
}