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Diffstat (limited to 'arch/arm64/kvm/sys_regs.c')
-rw-r--r--arch/arm64/kvm/sys_regs.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 52fdb9a015a4..76ea2800c33e 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -1063,6 +1063,8 @@ static u64 read_id_reg(const struct kvm_vcpu *vcpu,
val = cpuid_feature_cap_perfmon_field(val,
ID_AA64DFR0_PMUVER_SHIFT,
kvm_vcpu_has_pmu(vcpu) ? ID_AA64DFR0_PMUVER_8_4 : 0);
+ /* Hide SPE from guests */
+ val &= ~FEATURE(ID_AA64DFR0_PMSVER);
break;
case SYS_ID_DFR0_EL1:
/* Limit guests to PMUv3 for ARMv8.4 */
@@ -1502,6 +1504,19 @@ static const struct sys_reg_desc sys_reg_descs[] = {
{ SYS_DESC(SYS_FAR_EL1), access_vm_reg, reset_unknown, FAR_EL1 },
{ SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 },
+ { SYS_DESC(SYS_PMSCR_EL1), undef_access },
+ { SYS_DESC(SYS_PMSNEVFR_EL1), undef_access },
+ { SYS_DESC(SYS_PMSICR_EL1), undef_access },
+ { SYS_DESC(SYS_PMSIRR_EL1), undef_access },
+ { SYS_DESC(SYS_PMSFCR_EL1), undef_access },
+ { SYS_DESC(SYS_PMSEVFR_EL1), undef_access },
+ { SYS_DESC(SYS_PMSLATFR_EL1), undef_access },
+ { SYS_DESC(SYS_PMSIDR_EL1), undef_access },
+ { SYS_DESC(SYS_PMBLIMITR_EL1), undef_access },
+ { SYS_DESC(SYS_PMBPTR_EL1), undef_access },
+ { SYS_DESC(SYS_PMBSR_EL1), undef_access },
+ /* PMBIDR_EL1 is not trapped */
+
{ PMU_SYS_REG(SYS_PMINTENSET_EL1),
.access = access_pminten, .reg = PMINTENSET_EL1 },
{ PMU_SYS_REG(SYS_PMINTENCLR_EL1),