Re: [PATCH v3 25/27] KVM: arm64: nv: Expose FGT to nested guests
From: Eric Auger <eric.auger@redhat.com>
Date: 2023-08-10 09:44:56
Also in:
kvm, kvmarm
On 8/8/23 13:47, Marc Zyngier wrote:
quoted hunk ↗ jump to hunk
Now that we have FGT support, expose the feature to NV guests. Signed-off-by: Marc Zyngier <maz@kernel.org> --- 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) |
Reviewed-by: Eric Auger <eric.auger@redhat.com> Eric _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel