Hi Marc, On Tue, Aug 15, 2023 at 11:47 AM Marc Zyngier <maz@xxxxxxxxxx> wrote: > > Now that we have FGT support, expose the feature to NV guests. > > Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx> > Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx> > --- > arch/arm64/kvm/nested.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c > index 7f80f385d9e8..3facd8918ae3 100644 > --- a/arch/arm64/kvm/nested.c > +++ b/arch/arm64/kvm/nested.c > @@ -71,8 +71,9 @@ void access_nested_id_reg(struct kvm_vcpu *v, struct sys_reg_params *p, > break; > > case SYS_ID_AA64MMFR0_EL1: > - /* Hide ECV, FGT, ExS, Secure Memory */ > - val &= ~(GENMASK_ULL(63, 43) | > + /* Hide ECV, ExS, Secure Memory */ > + val &= ~(NV_FTR(MMFR0, ECV) | > + NV_FTR(MMFR0, EXS) | > NV_FTR(MMFR0, TGRAN4_2) | > NV_FTR(MMFR0, TGRAN16_2) | > NV_FTR(MMFR0, TGRAN64_2) | > -- > 2.34.1 > Reviewed-by: Jing Zhang <jingzhangos@xxxxxxxxxx> Jing
