linux-kernel - Re: [PATCH v2 2/7] clocksource: Allow clocksource_mark

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Message-ID: <alpine.DEB.2.21.1805021534250.1560@nanos.tec.linutronix.de>
Date:   Wed, 2 May 2018 15:35:53 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Peter Zijlstra <peterz@...radead.org>
cc:     linux-kernel@...r.kernel.org, diego.viola@...il.com,
        len.brown@...el.com, rjw@...ysocki.net, rui.zhang@...el.com,
        stable@...nel.org
Subject: Re: [PATCH v2 2/7] clocksource: Allow clocksource_mark_unstable()
 on unregisered clocksources

On Mon, 30 Apr 2018, Peter Zijlstra wrote:
> --- a/kernel/time/clocksource.c
> +++ b/kernel/time/clocksource.c
> @@ -119,6 +119,16 @@ static DEFINE_SPINLOCK(watchdog_lock);
>  static int watchdog_running;
>  static atomic_t watchdog_reset_pending;
>  
> +static void inline clocksource_watchdog_lock(unsigned long *flags)
> +{
> +	spin_lock_irqsave(&watchdog_lock, *flags);
> +}
> +
> +static void inline clocksource_watchdog_unlock(unsigned long *flags)
> +{
> +	spin_unlock_irqrestore(&watchdog_lock, *flags);
> +}

I can see why you made that wrapper, but where are the stubs for
!CONFIG_CLOCKSOURCE_WATCHDOG?

Thanks,

	tglx