Messages in this thread | | | Date | Tue, 12 Jul 2022 18:50:13 +0200 | From | Claudio Imbrenda <> | Subject | Re: [PATCH 2/3] s390/cpufeature: allow for facility bits |
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On Tue, 12 Jul 2022 12:52:19 +0200 Steffen Eiden <seiden@linux.ibm.com> wrote:
> From: Heiko Carstens <hca@linux.ibm.com> > > Allow for facility bits to be used in cpu features. > > Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
> --- > arch/s390/kernel/cpufeature.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/s390/kernel/cpufeature.c b/arch/s390/kernel/cpufeature.c > index ea4bbfd855db..e70b29804db4 100644 > --- a/arch/s390/kernel/cpufeature.c > +++ b/arch/s390/kernel/cpufeature.c > @@ -10,6 +10,7 @@ > > enum { > TYPE_HWCAP, > + TYPE_FACILITY, > }; > > struct s390_cpu_feature { > @@ -54,6 +55,8 @@ int cpu_have_feature(unsigned int num) > switch (feature->type) { > case TYPE_HWCAP: > return !!(elf_hwcap & (1UL << feature->num)); > + case TYPE_FACILITY: > + return test_facility(feature->num); > default: > WARN_ON_ONCE(1); > return 0;
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