linux-kernel - Re: [PATCH] hwmon: (ibmpowernv) Remove bogus _

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Date:   Tue, 30 Oct 2018 11:23:30 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Cédric Le Goater <clg@...ibm.com>,
        Jean Delvare <jdelvare@...e.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-hwmon@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: (ibmpowernv) Remove bogus __init annotations

On Sun, Oct 28, 2018 at 06:16:51PM +0100, Geert Uytterhoeven wrote:
> If gcc decides not to inline make_sensor_label():
> 
>     WARNING: vmlinux.o(.text+0x4df549c): Section mismatch in reference from the function .create_device_attrs() to the function .init.text:.make_sensor_label()
>     The function .create_device_attrs() references
>     the function __init .make_sensor_label().
>     This is often because .create_device_attrs lacks a __init
>     annotation or the annotation of .make_sensor_label is wrong.
> 
> As .probe() can be called after freeing of __init memory, all __init
> annotiations in the driver are bogus, and should be removed.
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Applied.

Thanks,
Guenter

> ---
> Compile-tested only.
> ---
>  drivers/hwmon/ibmpowernv.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c
> index 0ccca87f527191dc..293dd1c6c7b36ef2 100644
> --- a/drivers/hwmon/ibmpowernv.c
> +++ b/drivers/hwmon/ibmpowernv.c
> @@ -181,7 +181,7 @@ static ssize_t show_label(struct device *dev, struct device_attribute *devattr,
>  	return sprintf(buf, "%s\n", sdata->label);
>  }
>  
> -static int __init get_logical_cpu(int hwcpu)
> +static int get_logical_cpu(int hwcpu)
>  {
>  	int cpu;
>  
> @@ -192,9 +192,8 @@ static int __init get_logical_cpu(int hwcpu)
>  	return -ENOENT;
>  }
>  
> -static void __init make_sensor_label(struct device_node *np,
> -				     struct sensor_data *sdata,
> -				     const char *label)
> +static void make_sensor_label(struct device_node *np,
> +			      struct sensor_data *sdata, const char *label)
>  {
>  	u32 id;
>  	size_t n;