linux-kernel - Re: [PATCH v2 1/4] powercap: idle

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Message-ID: <CAJZ5v0gxTdHW_Wk2E13M+tK+B5rqOirY4sz6UJVMjhentvEstg@mail.gmail.com>
Date:   Thu, 12 Jan 2023 16:05:21 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Cc:     rafael@...nel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, daniel.lezcano@...aro.org,
        rui.zhang@...el.com, amitk@...nel.org
Subject: Re: [PATCH v2 1/4] powercap: idle_inject: Export symbols

On Wed, Nov 30, 2022 at 12:34 AM Srinivas Pandruvada
<srinivas.pandruvada@...ux.intel.com> wrote:
>
> Export symbols for external interfaces, so that they can be used in
> other loadable modules.
>
> Export is done under name space IDLE_INJECT.
>
> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

> ---
> v2:
>         No change
>
>  drivers/powercap/idle_inject.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/drivers/powercap/idle_inject.c b/drivers/powercap/idle_inject.c
> index fe86a09e3b67..dfa989182e71 100644
> --- a/drivers/powercap/idle_inject.c
> +++ b/drivers/powercap/idle_inject.c
> @@ -160,6 +160,7 @@ void idle_inject_set_duration(struct idle_inject_device *ii_dev,
>                 WRITE_ONCE(ii_dev->idle_duration_us, idle_duration_us);
>         }
>  }
> +EXPORT_SYMBOL_NS_GPL(idle_inject_set_duration, IDLE_INJECT);
>
>  /**
>   * idle_inject_get_duration - idle and run duration retrieval helper
> @@ -174,6 +175,7 @@ void idle_inject_get_duration(struct idle_inject_device *ii_dev,
>         *run_duration_us = READ_ONCE(ii_dev->run_duration_us);
>         *idle_duration_us = READ_ONCE(ii_dev->idle_duration_us);
>  }
> +EXPORT_SYMBOL_NS_GPL(idle_inject_get_duration, IDLE_INJECT);
>
>  /**
>   * idle_inject_set_latency - set the maximum latency allowed
> @@ -185,6 +187,7 @@ void idle_inject_set_latency(struct idle_inject_device *ii_dev,
>  {
>         WRITE_ONCE(ii_dev->latency_us, latency_us);
>  }
> +EXPORT_SYMBOL_NS_GPL(idle_inject_set_latency, IDLE_INJECT);
>
>  /**
>   * idle_inject_start - start idle injections
> @@ -216,6 +219,7 @@ int idle_inject_start(struct idle_inject_device *ii_dev)
>
>         return 0;
>  }
> +EXPORT_SYMBOL_NS_GPL(idle_inject_start, IDLE_INJECT);
>
>  /**
>   * idle_inject_stop - stops idle injections
> @@ -262,6 +266,7 @@ void idle_inject_stop(struct idle_inject_device *ii_dev)
>
>         cpu_hotplug_enable();
>  }
> +EXPORT_SYMBOL_NS_GPL(idle_inject_stop, IDLE_INJECT);
>
>  /**
>   * idle_inject_setup - prepare the current task for idle injection
> @@ -337,6 +342,7 @@ struct idle_inject_device *idle_inject_register(struct cpumask *cpumask)
>
>         return NULL;
>  }
> +EXPORT_SYMBOL_NS_GPL(idle_inject_register, IDLE_INJECT);
>
>  /**
>   * idle_inject_unregister - unregister idle injection control device
> @@ -357,6 +363,7 @@ void idle_inject_unregister(struct idle_inject_device *ii_dev)
>
>         kfree(ii_dev);
>  }
> +EXPORT_SYMBOL_NS_GPL(idle_inject_unregister, IDLE_INJECT);
>
>  static struct smp_hotplug_thread idle_inject_threads = {
>         .store = &idle_inject_thread.tsk,
> --
> 2.31.1
>