linux-kernel - Re: [PATCH] s390/zcrypt: remove the exporting of ap_query

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Message-Id: <a71450e5-892c-3841-22d6-9f5c7b2d4ca4@linux.ibm.com>
Date:   Wed, 10 Jul 2019 08:44:53 +0200
From:   Harald Freudenberger <freude@...ux.ibm.com>
To:     Denis Efremov <efremov@...ux.com>
Cc:     Martin Schwidefsky <schwidefsky@...ibm.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] s390/zcrypt: remove the exporting of
 ap_query_configuration

On 09.07.19 14:25, Denis Efremov wrote:
> The function ap_query_configuration is declared static and marked
> EXPORT_SYMBOL, which is at best an odd combination. Because the
> function is not used outside of the drivers/s390/crypto/ap_bus.c
> file it is defined in, this commit removes the EXPORT_SYMBOL() marking.
>
> Fixes: f1b0a4343c41 ("s390/zcrypt: Integrate ap_asm.h into include/asm/ap.h.")
> Fixes: 050349b5b71d ("s390/zcrypt: externalize AP config info query")
> Signed-off-by: Denis Efremov <efremov@...ux.com>
> ---
>  drivers/s390/crypto/ap_bus.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
> index b9fc502c58c2..379e43b79006 100644
> --- a/drivers/s390/crypto/ap_bus.c
> +++ b/drivers/s390/crypto/ap_bus.c
> @@ -208,7 +208,6 @@ static inline int ap_query_configuration(struct ap_config_info *info)
>  		return -EINVAL;
>  	return ap_qci(info);
>  }
> -EXPORT_SYMBOL(ap_query_configuration);
>  
>  /**
>   * ap_init_configuration(): Allocate and query configuration array.
This function was exported a while ago for KVM code. However, never used.
So removing the export is the right thing. Thanks Denis

Heiko/Vasily will you pick this patch please?

Reviewed-by: Harald Freudenberger <freude@...ux.ibm.com>