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SubjectRe: [PATCH] s390/Kconfig: add missing ZCRYPT dependency to VFIO_AP
On Wed, Aug 05, 2020 at 05:50:53PM +0200, Krzysztof Kozlowski wrote:
> The VFIO_AP uses ap_driver_register() (and deregister) functions
> implemented in ap_bus.c (compiled into ap.o). However the ap.o will be
> built only if CONFIG_ZCRYPT is selected.
>
> This was not visible before commit e93a1695d7fb ("iommu: Enable compile
> testing for some of drivers") because the CONFIG_VFIO_AP depends on
> CONFIG_S390_AP_IOMMU which depends on the missing CONFIG_ZCRYPT. After
> adding COMPILE_TEST, it is possible to select a configuration with
> VFIO_AP and S390_AP_IOMMU but without the ZCRYPT.
>
> Add proper dependency to the VFIO_AP to fix build errors:
>
> ERROR: modpost: "ap_driver_register" [drivers/s390/crypto/vfio_ap.ko] undefined!
> ERROR: modpost: "ap_driver_unregister" [drivers/s390/crypto/vfio_ap.ko] undefined!
>
> Reported-by: kernel test robot <lkp@intel.com>
> Fixes: e93a1695d7fb ("iommu: Enable compile testing for some of drivers")
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
> arch/s390/Kconfig | 1 +
> 1 file changed, 1 insertion(+)

Applied, thanks.

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