[PATCH] x86: nmi - document lapic and ioapic parameters

[Cyrill Gorcunov]

Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
---

On top of -tip dda51106620c328b50007c259b9ef8cea2b7c3d2

Index: linux-2.6.git/Documentation/kernel-parameters.txt
===================================================================
--- linux-2.6.git.orig/Documentation/kernel-parameters.txt	2008-10-27 21:35:08.000000000 +0300
+++ linux-2.6.git/Documentation/kernel-parameters.txt	2008-10-31 22:21:59.000000000 +0300
@@ -1404,6 +1404,14 @@ and is between 256 and 4096 characters. 
 			Format: [state][,regs][,debounce][,die]
 
 	nmi_watchdog=	[KNL,BUGS=X86-32] Debugging features for SMP kernels
+			Format: [panic,][num]
+			Valid num: 0,1,2
+			0 - turn nmi_watchdog off
+			1 - use IO-APIC
+			2 - use local APIC
+			Instead of 1 and 2 it is possible to use the following
+			symbolic names: lapic and ioapic
+			Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic
 
 	no387		[BUGS=X86-32] Tells the kernel to use the 387 maths
 			emulation library even if a 387 maths coprocessor
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