On 12.06.19 12:22, David Hildenbrand 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. > > Reviewed-by: Cornelia Huck <cohuck@xxxxxxxxxx> > Signed-off-by: David Hildenbrand <david@xxxxxxxxxx> > --- > drivers/s390/crypto/pkey_api.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c > index 45eb0c14b880..ddfcefb47284 100644 > --- a/drivers/s390/crypto/pkey_api.c > +++ b/drivers/s390/crypto/pkey_api.c > @@ -1695,15 +1695,15 @@ static int __init pkey_init(void) > * are able to work with protected keys. > */ > if (!cpacf_query(CPACF_PCKMO, &pckmo_functions)) > - return -EOPNOTSUPP; > + return -ENODEV; > > /* check for kmc instructions available */ > if (!cpacf_query(CPACF_KMC, &kmc_functions)) > - return -EOPNOTSUPP; > + return -ENODEV; > if (!cpacf_test_func(&kmc_functions, CPACF_KMC_PAES_128) || > !cpacf_test_func(&kmc_functions, CPACF_KMC_PAES_192) || > !cpacf_test_func(&kmc_functions, CPACF_KMC_PAES_256)) > - return -EOPNOTSUPP; > + return -ENODEV; > > pkey_debug_init(); > You missed one match in this file. Function pkey_clr2protkey() also does a cpacf_test_func() and may return -EOPNOTSUPP. I checked the call chain, it's save to change the returncode there also. If done, Thanks and add my reviewed-by: Harald Freudenberger <freude@xxxxxxxxxxxxx>
