linux-kernel - Re: [PATCH] watchdog: Fix watchdog_nmi_enable

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Message-Id: <20150422131201.c989c12c4ab97bec57e5c7fd@linux-foundation.org>
Date:	Wed, 22 Apr 2015 13:12:01 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Don Zickus <dzickus@...hat.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ulrich Obergfell <uobergfe@...hat.com>
Subject: Re: [PATCH] watchdog: Fix watchdog_nmi_enable_all()

On Wed, 22 Apr 2015 10:47:49 -0400 Don Zickus <dzickus@...hat.com> wrote:

> From: Ulrich Obergfell <uobergfe@...hat.com>
> 
> The 'watchdog_user_enabled' variable is only used as an 'interface'
> to the /proc/sys/kernel/watchdog parameter. The actual state of the
> watchdog is tracked by bits in the 'watchdog_enabled' variable. So,
> watchdog_nmi_enable_all() should check the NMI_WATCHDOG_ENABLED bit
> in 'watchdog_enabled'.

What are the user-visible effects of the patch?  Please always include
this information when fixing a bug.


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