KVM: arm64: nv: Expose FEAT_EVT to nested guests

Now that we properly implement FEAT_EVT (as we correctly forward
traps), expose it to guests.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Jing Zhang <jingzhangos@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230815183903.2735724-17-maz@kernel.org

diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
index 315354d..7f80f38 100644 (file)
--- a/arch/arm64/kvm/nested.c
+++ b/arch/arm64/kvm/nested.c
@@ -124,8 +124,7 @@ void access_nested_id_reg(struct kvm_vcpu *v, struct sys_reg_params *p,
                break;
 
        case SYS_ID_AA64MMFR2_EL1:
-               val &= ~(NV_FTR(MMFR2, EVT)     |
-                        NV_FTR(MMFR2, BBM)     |
+               val &= ~(NV_FTR(MMFR2, BBM)     |
                         NV_FTR(MMFR2, TTL)     |
                         GENMASK_ULL(47, 44)    |
                         NV_FTR(MMFR2, ST)      |