linux-kernel - Re: [PATCH 2/3] watchdog: control hard lockup detection default

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Date:	Thu, 24 Jul 2014 12:46:11 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Andrew Jones <drjones@...hat.com>, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org
CC:	uobergfe@...hat.com, dzickus@...hat.com, akpm@...ux-foundation.org,
	mingo@...hat.com
Subject: Re: [PATCH 2/3] watchdog: control hard lockup detection default

Il 24/07/2014 12:13, Andrew Jones ha scritto:
> 
> The running kernel still has the ability to enable/disable at any
> time with /proc/sys/kernel/nmi_watchdog us usual. However even
> when the default has been overridden /proc/sys/kernel/nmi_watchdog
> will initially show '1'. To truly turn it on one must disable/enable
> it, i.e.
>   echo 0 > /proc/sys/kernel/nmi_watchdog
>   echo 1 > /proc/sys/kernel/nmi_watchdog

Why is it hard to make this show the right value? :)

Paolo

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