linux-kernel - Re: [patch 12/19] high-res timers: core

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Message-Id: <1163154371.3138.663.camel@laptopd505.fenrus.org>
Date:	Fri, 10 Nov 2006 11:26:11 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Andrew Morton <akpm@...l.org>, LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>, Len Brown <lenb@...nel.org>,
	John Stultz <johnstul@...ibm.com>, Andi Kleen <ak@...e.de>,
	Roman Zippel <zippel@...ux-m68k.org>
Subject: Re: [patch 12/19] high-res timers: core

On Thu, 2006-11-09 at 23:38 +0000, Thomas Gleixner wrote:
> + * hrtimer callback modes:
> + *
> + *	HRTIMER_CB_SOFTIRQ:		Callback must run in softirq context
> + *	HRTIMER_CB_IRQSAFE:		Callback may run in hardirq context
> + *	HRTIMER_CB_IRQSAFE_NO_RESTART:	Callback may run in hardirq context and
> + *					does not restart the timer
> + *	HRTIMER_CB_IRQSAFE_NO_SOFTIRQ:	Callback must run in softirq context
> + *					Special mode for tick emultation

This naming is treacherous (or the comment is wrong); NO_SOFTIRQ
suggests "can't run in softirq" but your comment says "must run in
softirq".. which is it?





> +/**
> + * hrtimer_clock_notify - A clock source or a clock event has been installed
> + *
> + * Notify the per cpu softirqs to recheck the clock sources and events
> + */
> +void hrtimer_clock_notify(void)
> +{
> +	int i;
> +
> +	if (hrtimer_hres_enabled) {
> +		for_each_possible_cpu(i)

hmm. possible or online or .. 


If you fix the comment/define: 
Acked-by: Arjan van de Ven <arjan@...ux.intel.com>
-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
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