[PATCH v3 22/27] KVM: arm64: Advertise support for FEAT_DoubleFault2

[Oliver Upton <oliver.upton@linux.dev>]

KVM's external abort injection now respects the exception routing
wreckage due to FEAT_DoubleFault2. Advertise the feature.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
 arch/arm64/kvm/sys_regs.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index b3e6a7034b64..9d4fe892e8b4 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -1613,7 +1613,6 @@ static u64 __kvm_read_sanitised_id_reg(const struct kvm_vcpu *vcpu,
 		val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_GCS);
 		val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_THE);
 		val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_MTEX);
-		val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_DF2);
 		val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_PFAR);
 		val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_MPAM_frac);
 		break;
@@ -2884,7 +2883,6 @@ static const struct sys_reg_desc sys_reg_descs[] = {
 		      ID_AA64PFR0_EL1_FP)),
 	ID_FILTERED(ID_AA64PFR1_EL1, id_aa64pfr1_el1,
 				     ~(ID_AA64PFR1_EL1_PFAR |
-				       ID_AA64PFR1_EL1_DF2 |
 				       ID_AA64PFR1_EL1_MTEX |
 				       ID_AA64PFR1_EL1_THE |
 				       ID_AA64PFR1_EL1_GCS |
-- 
2.39.5