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-rw-r--r--Documentation/kernel-parameters.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 856c8b114e71..f0b7a5e5740a 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