linux-kernel - Re: [PATCH v2 01/11] thermal: core: Add and use thermal zone guard

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Message-ID: <40ec7bb0-02ef-4af7-8934-9f960fa15355@web.de>
Date: Mon, 21 Oct 2024 13:40:52 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>, linux-pm@...r.kernel.org
Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>,
 LKML <linux-kernel@...r.kernel.org>,
 Daniel Lezcano <daniel.lezcano@...aro.org>, Lukasz Luba
 <lukasz.luba@....com>,
 Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
 Zhang Rui <rui.zhang@...el.com>
Subject: Re: [PATCH v2 01/11] thermal: core: Add and use thermal zone guard

…
> +++ linux-pm/drivers/thermal/thermal_helpers.c
> @@ -60,13 +60,13 @@ bool thermal_trip_is_bound_to_cdev(struc
>  {
>  	bool ret;
>
> -	mutex_lock(&tz->lock);
> +	guard(thermal_zone)(tz);
> +
>  	mutex_lock(&cdev->lock);
>
>  	ret = thermal_instance_present(tz, cdev, trip);
>
>  	mutex_unlock(&cdev->lock);
> -	mutex_unlock(&tz->lock);
>
>  	return ret;
>  }
…

Would you become interested to apply a statement
like “guard(mutex)(&cdev->lock);”?

Regards,
Markus