linux-kernel - Re: [PATCH 19/35] [PATCH 19/36] arm: Replace __this_cpu_ptr with raw_cpu

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Date:	Fri, 22 Aug 2014 18:48:35 +0100
From:	Will Deacon <will.deacon@....com>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Tejun Heo <tj@...nel.org>,
	"akpm@...uxfoundation.org" <akpm@...uxfoundation.org>,
	"rostedt@...dmis.org" <rostedt@...dmis.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Russell King <linux@....linux.org.uk>,
	Catalin Marinas <Catalin.Marinas@....com>
Subject: Re: [PATCH 19/35] [PATCH 19/36] arm: Replace __this_cpu_ptr with
 raw_cpu_ptr

On Sun, Aug 17, 2014 at 06:30:42PM +0100, Christoph Lameter wrote:
> __this_cpu_ptr is being phased out. So replace with raw_cpu_ptr.
> 
> Cc: Russell King <linux@....linux.org.uk>
> Cc: Catalin Marinas <catalin.marinas@....com>
> CC: Will Deacon <will.deacon@....com>
> Signed-off-by: Christoph Lameter <cl@...ux.com>
> ---
>  arch/arm/kernel/smp_twd.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)

Looks good to me:

  Acked-by: Will Deacon <will.deacon@....com>

Will

> Index: linux/arch/arm/kernel/smp_twd.c
> ===================================================================
> --- linux.orig/arch/arm/kernel/smp_twd.c
> +++ linux/arch/arm/kernel/smp_twd.c
> @@ -92,7 +92,7 @@ static int twd_timer_ack(void)
>  
>  static void twd_timer_stop(void)
>  {
> -	struct clock_event_device *clk = __this_cpu_ptr(twd_evt);
> +	struct clock_event_device *clk = raw_cpu_ptr(twd_evt);
>  
>  	twd_set_mode(CLOCK_EVT_MODE_UNUSED, clk);
>  	disable_percpu_irq(clk->irq);
> @@ -108,7 +108,7 @@ static void twd_update_frequency(void *n
>  {
>  	twd_timer_rate = *((unsigned long *) new_rate);
>  
> -	clockevents_update_freq(__this_cpu_ptr(twd_evt), twd_timer_rate);
> +	clockevents_update_freq(raw_cpu_ptr(twd_evt), twd_timer_rate);
>  }
>  
>  static int twd_rate_change(struct notifier_block *nb,
> @@ -134,7 +134,7 @@ static struct notifier_block twd_clk_nb
>  
>  static int twd_clk_init(void)
>  {
> -	if (twd_evt && __this_cpu_ptr(twd_evt) && !IS_ERR(twd_clk))
> +	if (twd_evt && raw_cpu_ptr(twd_evt) && !IS_ERR(twd_clk))
>  		return clk_notifier_register(twd_clk, &twd_clk_nb);
>  
>  	return 0;
> @@ -153,7 +153,7 @@ static void twd_update_frequency(void *d
>  {
>  	twd_timer_rate = clk_get_rate(twd_clk);
>  
> -	clockevents_update_freq(__this_cpu_ptr(twd_evt), twd_timer_rate);
> +	clockevents_update_freq(raw_cpu_ptr(twd_evt), twd_timer_rate);
>  }
>  
>  static int twd_cpufreq_transition(struct notifier_block *nb,
> @@ -179,7 +179,7 @@ static struct notifier_block twd_cpufreq
>  
>  static int twd_cpufreq_init(void)
>  {
> -	if (twd_evt && __this_cpu_ptr(twd_evt) && !IS_ERR(twd_clk))
> +	if (twd_evt && raw_cpu_ptr(twd_evt) && !IS_ERR(twd_clk))
>  		return cpufreq_register_notifier(&twd_cpufreq_nb,
>  			CPUFREQ_TRANSITION_NOTIFIER);
>  
> @@ -269,7 +269,7 @@ static void twd_get_clock(struct device_
>   */
>  static void twd_timer_setup(void)
>  {
> -	struct clock_event_device *clk = __this_cpu_ptr(twd_evt);
> +	struct clock_event_device *clk = raw_cpu_ptr(twd_evt);
>  	int cpu = smp_processor_id();
>  
>  	/*
> 
> 
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