1 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 06377c76e734..e39ab0c99fbb 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -138,6 +138,12 @@ and is between 256 and 4096 characters. It is defined in the file
 
                         See also Documentation/pm.txt, pci=noacpi
 
+        acpi_apic_instance=     [ACPI, IOAPIC]
+                        Format: <int>
+                        2: use 2nd APIC table, if available
+                        1,0: use 1st APIC table
+                        default: 2
+
         acpi_sleep=     [HW,ACPI] Sleep options
                         Format: { s3_bios, s3_mode }
                         See Documentation/power/video.txt