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| author | Marc Zyngier <maz@kernel.org> | 2023-08-15 21:39:00 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2023-08-17 12:00:28 +0300 |
| commit | 0a5d28433ad94cc38ecb3dbb5138b8ae30ffb98a (patch) | |
| tree | 6057e816e2289725324895187c1dd3f0ba58ea77 /arch/arm64 | |
| parent | d4d2dacc7cddc37aaa7c6eed8665d533d1037e1e (diff) | |
| download | linux-0a5d28433ad94cc38ecb3dbb5138b8ae30ffb98a.tar.xz | |
KVM: arm64: nv: Expose FGT to nested guests
Now that we have FGT support, expose the feature to NV guests.
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Jing Zhang <jingzhangos@google.com>
Link: https://lore.kernel.org/r/20230815183903.2735724-27-maz@kernel.org
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/kvm/nested.c | 5 |
1 files 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) | |