diff --git a/arch/arm64/kvm/at.c b/arch/arm64/kvm/at.c index adcfce3f67f0..f5bd750288ff 100644 --- a/arch/arm64/kvm/at.c +++ b/arch/arm64/kvm/at.c @@ -93,6 +93,23 @@ static enum trans_regime compute_translation_regime(struct kvm_vcpu *vcpu, u32 o } } +static bool s1pie_enabled(struct kvm_vcpu *vcpu, enum trans_regime regime) +{ + if (!kvm_has_feat(vcpu->kvm, ID_AA64MMFR3_EL1, S1PIE, IMP)) + return false; + + switch (regime) { + case TR_EL2: + case TR_EL20: + return vcpu_read_sys_reg(vcpu, TCR2_EL2) & TCR2_EL2_PIE; + case TR_EL10: + return (__vcpu_sys_reg(vcpu, HCRX_EL2) & HCRX_EL2_TCR2En) && + (__vcpu_sys_reg(vcpu, TCR2_EL1) & TCR2_EL1x_PIE); + default: + BUG(); + } +} + static int setup_s1_walk(struct kvm_vcpu *vcpu, u32 op, struct s1_walk_info *wi, struct s1_walk_result *wr, u64 va) { @@ -186,6 +203,8 @@ static int setup_s1_walk(struct kvm_vcpu *vcpu, u32 op, struct s1_walk_info *wi, (va55 ? FIELD_GET(TCR_HPD1, tcr) : FIELD_GET(TCR_HPD0, tcr))); + /* R_JHSVW */ + wi->hpd |= s1pie_enabled(vcpu, wi->regime); /* Someone was silly enough to encode TG0/TG1 differently */ if (va55) {