From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Thu, 7 Feb 2019 11:24:52 +0100 (CET)
From: Sebastian Ott <sebott@linux.ibm.com>
Subject: Re: [PATCH v2] zcrypt: handle AP Info notification from CHSC SEI
 command
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To: Tony Krowiak <akrowiak@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, freude@de.ibm.com, Martin Schwidefsky <schwidefsky@de.ibm.com>, Heiko Carstens <heiko.carstens@de.ibm.com>, borntraeger@de.ibm.com, cohuck@redhat.com, pmorel@linux.vnet.ibm.com, pasic@linux.vnet.ibm.com, akrowiak@linux.vnet.ibm.com, oberpar@linux.ibm.com
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On Wed, 6 Feb 2019, Tony Krowiak wrote:
> diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
> +void ap_bus_cfg_chg(void)
> +{
> +	AP_DBF(DBF_INFO, "%s config change, forcing bus rescan\n", __func__);
> +
> +	ap_bus_force_rescan();
> +}
> +EXPORT_SYMBOL(ap_bus_cfg_chg);

There is still no need for the EXPORT_SYMBOL. You only call that function
from chsc.c which is always build in.