linux-kernel - Re: [PATCH] s390: vfio-ap: Remove the superfluous MODULE_DEVICE

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Date:   Mon, 18 Apr 2022 10:23:38 -0400
From:   Tony Krowiak <akrowiak@...ux.ibm.com>
To:     Thomas Huth <thuth@...hat.com>, Halil Pasic <pasic@...ux.ibm.com>,
        Jason Herne <jjherne@...ux.ibm.com>, linux-s390@...r.kernel.org
Cc:     Harald Freudenberger <freude@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] s390: vfio-ap: Remove the superfluous MODULE_DEVICE_TABLE
 declaration

Reviewed-by: Tony Krowiak <akrowiak@...ux.ibm.com>

On 4/13/22 5:44 AM, Thomas Huth wrote:
> The vfio_ap module tries to register for the vfio_ap bus - but that's
> the interface that it provides itself, so this does not make much sense,
> thus let's simply drop this statement now.
>
> Signed-off-by: Thomas Huth <thuth@...hat.com>
> ---
>   See also my previous patch to register it for the "ap" bus instead:
>   https://lore.kernel.org/linux-s390/20211201141110.94636-1-thuth@redhat.com/
>   ... but since it has been decided to not auto-load the module uncondi-
>   tionally, I'd like to suggest to rather drop this line now instead.
>
>   drivers/s390/crypto/vfio_ap_drv.c | 2 --
>   1 file changed, 2 deletions(-)
>
> diff --git a/drivers/s390/crypto/vfio_ap_drv.c b/drivers/s390/crypto/vfio_ap_drv.c
> index 29ebd54f8919..4ac9c6521ec1 100644
> --- a/drivers/s390/crypto/vfio_ap_drv.c
> +++ b/drivers/s390/crypto/vfio_ap_drv.c
> @@ -46,8 +46,6 @@ static struct ap_device_id ap_queue_ids[] = {
>   	{ /* end of sibling */ },
>   };
>   
> -MODULE_DEVICE_TABLE(vfio_ap, ap_queue_ids);
> -
>   static struct ap_matrix_mdev *vfio_ap_mdev_for_queue(struct vfio_ap_queue *q)
>   {
>   	struct ap_matrix_mdev *matrix_mdev;