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

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Date:	Fri, 31 Oct 2008 14:22:36 -0700
From:	"Yinghai Lu" <yinghai@...nel.org>
To:	"Cyrill Gorcunov" <gorcunov@...il.com>
Cc:	"Ingo Molnar" <mingo@...e.hu>,
	"Maciej W. Rozycki" <macro@...ux-mips.org>,
	"Aristeu Rozanski" <aris@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"Thomas Gleixner" <tglx@...utronix.de>
Subject: Re: [PATCH] x86: nmi - document lapic and ioapic parameters

On Fri, Oct 31, 2008 at 12:23 PM, Cyrill Gorcunov <gorcunov@...il.com> wrote:
> Signed-off-by: Cyrill Gorcunov <gorcunov@...il.com>
> ---
>
> 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
> --

please update

Documentation/x86/x86_64/boot-options.txt

too.

YH
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