From a3c4a00dbe2013ecc35f910606bd615eaff34cc7 Mon Sep 17 00:00:00 2001 From: Oliver Upton Date: Tue, 8 Jul 2025 10:25:27 -0700 Subject: [PATCH] KVM: arm64: Advertise support for FEAT_DoubleFault2 KVM's external abort injection now respects the exception routing wreckage due to FEAT_DoubleFault2. Advertise the feature. Reviewed-by: Marc Zyngier Link: https://lore.kernel.org/r/20250708172532.1699409-23-oliver.upton@linux.dev Signed-off-by: Oliver Upton --- 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 b3e6a7034b641..9d4fe892e8b4b 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 | -- 2.47.2