On Fri, 31 May 2019 11:36:28 +0200
David Hildenbrand <da...@redhat.com> wrote:

> systemd-modules-load.service automatically tries to load the pkey module
> on systems that have MSA.
> 
> Pkey also requires the MSA3 facility and a bunch of subfunctions.
> Failing with -EOPNOTSUPP makes "systemd-modules-load.service" fail on
> any system that does not have all needed subfunctions. For example,
> when running under QEMU TCG (but also on systems where protected keys
> are disabled via the HMC).
> 
> Let's use -ENODEV, so systemd-modules-load.service properly ignores
> failing to load the pkey module because of missing HW functionality.
> 
> Cc: Harald Freudenberger <fre...@linux.ibm.com>
> Cc: Heiko Carstens <heiko.carst...@de.ibm.com>
> Cc: Cornelia Huck <coh...@redhat.com>
> Cc: Christian Borntraeger <borntrae...@de.ibm.com>
> Signed-off-by: David Hildenbrand <da...@redhat.com>
> ---
>  drivers/s390/crypto/pkey_api.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Looking at what other modules return when needed features are missing,
this looks like the right thing to do.

Reviewed-by: Cornelia Huck <coh...@redhat.com>

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