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Date: Mon, 22 Jul 2013 14:47:54 +0200
From: Michal Hocko <mhocko@suse.cz>
To: linux-kernel@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Don Zickus <dzickus@redhat.com>, Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@kernel.org>
Subject: Re: [RFC -v2 2/2] watchdog: update watchdog_tresh properly
Message-ID: <20130722124754.GC24400@dhcp22.suse.cz>
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On Mon 22-07-13 13:45:02, Michal Hocko wrote:
[...]
> @@ -486,7 +486,50 @@ static struct smp_hotplug_thread watchdog_threads = {
>  	.unpark			= watchdog_enable,
>  };
>  
> -static int watchdog_enable_all_cpus(void)
> +static void restart_watchdog_hrtimer(void *info)
> +{
> +	struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
> +
> +	hrtimer_restart(hrtimer);

Ohh, scratch that. This is not sufficient because the the new sampling
period is not considered. I will repost updated version soon

-- 
Michal Hocko
SUSE Labs