Re: [PATCH 1/1] s390: vfio-ap: include <asm/facility> for test_facility()

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On 11/16/2018 11:47 AM, Petr Tesarik wrote:
> The driver uses test_facility(), but does not include the
> corresponding include file explicitly. The driver currently builds
> only thanks to the following include chain:
> 
>   vfio_ap_drv.c
>     <linux/module.h>
>       <linux/elf.h>
>         <asm/elf.h>
> 	  <linux/compat.h>
> 	    <asm/uaccess.h>
> 	      <asm/facility.h>
> 
> Files should not rely on such fragile implicit includes.
> 
> Signed-off-by: Petr Tesarik <ptesarik@xxxxxxxx>

Acked-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>

> ---
>  drivers/s390/crypto/vfio_ap_drv.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/s390/crypto/vfio_ap_drv.c b/drivers/s390/crypto/vfio_ap_drv.c
> index 7667b38728f0..31c6c847eaca 100644
> --- a/drivers/s390/crypto/vfio_ap_drv.c
> +++ b/drivers/s390/crypto/vfio_ap_drv.c
> @@ -11,6 +11,7 @@
>  #include <linux/mod_devicetable.h>
>  #include <linux/slab.h>
>  #include <linux/string.h>
> +#include <asm/facility.h>
>  #include "vfio_ap_private.h"
>  
>  #define VFIO_AP_ROOT_NAME "vfio_ap"
> 




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