diff options
Diffstat (limited to 'arch/arm64/kvm/sys_regs.c')
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 4dc2fba316ff..baa65292bbc2 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -1097,6 +1097,11 @@ static u64 read_id_reg(const struct kvm_vcpu *vcpu, ARM64_FEATURE_MASK(ID_AA64ISAR1_GPA) | ARM64_FEATURE_MASK(ID_AA64ISAR1_GPI)); break; + case SYS_ID_AA64ISAR2_EL1: + if (!vcpu_has_ptrauth(vcpu)) + val &= ~(ARM64_FEATURE_MASK(ID_AA64ISAR2_APA3) | + ARM64_FEATURE_MASK(ID_AA64ISAR2_GPA3)); + break; case SYS_ID_AA64DFR0_EL1: /* Limit debug to ARMv8.0 */ val &= ~ARM64_FEATURE_MASK(ID_AA64DFR0_DEBUGVER); |