linux-kernel - Re: [PATCH 06/10] nohz: Define meaningful symbol for nohz full timekeeper

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Message-ID: <20140721181118.GG8690@linux.vnet.ibm.com>
Date:	Mon, 21 Jul 2014 11:11:18 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: Re: [PATCH 06/10] nohz: Define meaningful symbol for nohz full
 timekeeper

On Sat, Jul 19, 2014 at 02:44:17AM +0200, Frederic Weisbecker wrote:
> The nohz full timekeeper is always CPU 0. Lets add it to the list of
> special tick_do_timer_cpu symbols for more self explanatory code.
> 
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Viresh Kumar <viresh.kumar@...aro.org>
> Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>

Reviewed-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

> ---
>  kernel/time/tick-internal.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h
> index 7ab92b1..6b592a8 100644
> --- a/kernel/time/tick-internal.h
> +++ b/kernel/time/tick-internal.h
> @@ -10,6 +10,7 @@ extern seqlock_t jiffies_lock;
> 
>  #ifdef CONFIG_GENERIC_CLOCKEVENTS_BUILD
> 
> +#define TICK_DO_TIMER_DEFAULT	0
>  #define TICK_DO_TIMER_NONE	-1
>  #define TICK_DO_TIMER_BOOT	-2
> 
> -- 
> 1.8.3.1
> 

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