linux-kernel - Re: [tip: smp/urgent] thermal: Replace deprecated CPU-hotplug functions.

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Date:   Sat, 11 Sep 2021 22:48:32 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     linux-kernel@...r.kernel.org, linux-tip-commits@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>, x86@...nel.org
Subject: Re: [tip: smp/urgent] thermal: Replace deprecated CPU-hotplug
 functions.


Hi,

I have already this patch.

  -- Daniel

On 11/09/2021 00:45, tip-bot2 for Sebastian Andrzej Siewior wrote:
> The following commit has been merged into the smp/urgent branch of tip:
> 
> Commit-ID:     c122358ea1e510d3def876abb7872f1b2b7365c9
> Gitweb:        https://git.kernel.org/tip/c122358ea1e510d3def876abb7872f1b2b7365c9
> Author:        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> AuthorDate:    Tue, 03 Aug 2021 16:16:02 +02:00
> Committer:     Thomas Gleixner <tglx@...utronix.de>
> CommitterDate: Sat, 11 Sep 2021 00:41:21 +02:00
> 
> thermal: Replace deprecated CPU-hotplug functions.
> 
> The functions get_online_cpus() and put_online_cpus() have been
> deprecated during the CPU hotplug rework. They map directly to
> cpus_read_lock() and cpus_read_unlock().
> 
> Replace deprecated CPU-hotplug functions with the official version.
> The behavior remains unchanged.
> 
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Link: https://lore.kernel.org/r/20210803141621.780504-20-bigeasy@linutronix.de
> 
> ---
>  drivers/thermal/intel/intel_powerclamp.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c
> index b0eb5ec..a5b58ea 100644
> --- a/drivers/thermal/intel/intel_powerclamp.c
> +++ b/drivers/thermal/intel/intel_powerclamp.c
> @@ -528,7 +528,7 @@ static int start_power_clamp(void)
>  
>  	set_target_ratio = clamp(set_target_ratio, 0U, MAX_TARGET_RATIO - 1);
>  	/* prevent cpu hotplug */
> -	get_online_cpus();
> +	cpus_read_lock();
>  
>  	/* prefer BSP */
>  	control_cpu = 0;
> @@ -542,7 +542,7 @@ static int start_power_clamp(void)
>  	for_each_online_cpu(cpu) {
>  		start_power_clamp_worker(cpu);
>  	}
> -	put_online_cpus();
> +	cpus_read_unlock();
>  
>  	return 0;
>  }
> 


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