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From: Ingo Molnar <mingo@elte.hu>
To: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: tglx@linutronix.de, hpa@zytor.com, chrisw@sous-sol.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86_64: move out tick_nohz_stop_sched_tick() call from the loop
Date: Thu, 10 Jan 2008 09:01:46 +0100	[thread overview]
Message-ID: <20080110080146.GB19470@elte.hu> (raw)
In-Reply-To: <47859486.30609@ct.jp.nec.com>


* Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> wrote:

> @@ -170,14 +170,13 @@ void cpu_idle(void)
>  	current_thread_info()->status |= TS_POLLING;
>  	/* endless idle loop with no priority at all */
>  	while (1) {
> +		tick_nohz_stop_sched_tick();
>  		while (!need_resched()) {
>  			void (*idle)(void);
>  
>  			if (__get_cpu_var(cpu_idle_state))
>  				__get_cpu_var(cpu_idle_state) = 0;
>  
> -			tick_nohz_stop_sched_tick();
> -

thanks, applied.

	Ingo

      reply	other threads:[~2008-01-10  8:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-10  3:44 Hiroshi Shimamoto
2008-01-10  8:01 ` Ingo Molnar [this message]

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