diff options
Diffstat (limited to 'arch/arm/kvm/hyp/switch.c')
| -rw-r--r-- | arch/arm/kvm/hyp/switch.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/kvm/hyp/switch.c b/arch/arm/kvm/hyp/switch.c index 92678b7bd046..624a510d31df 100644 --- a/arch/arm/kvm/hyp/switch.c +++ b/arch/arm/kvm/hyp/switch.c | |||
| @@ -48,7 +48,9 @@ static void __hyp_text __activate_traps(struct kvm_vcpu *vcpu, u32 *fpexc_host) | |||
| 48 | write_sysreg(HSTR_T(15), HSTR); | 48 | write_sysreg(HSTR_T(15), HSTR); |
| 49 | write_sysreg(HCPTR_TTA | HCPTR_TCP(10) | HCPTR_TCP(11), HCPTR); | 49 | write_sysreg(HCPTR_TTA | HCPTR_TCP(10) | HCPTR_TCP(11), HCPTR); |
| 50 | val = read_sysreg(HDCR); | 50 | val = read_sysreg(HDCR); |
| 51 | write_sysreg(val | HDCR_TPM | HDCR_TPMCR, HDCR); | 51 | val |= HDCR_TPM | HDCR_TPMCR; /* trap performance monitors */ |
| 52 | val |= HDCR_TDRA | HDCR_TDOSA | HDCR_TDA; /* trap debug regs */ | ||
| 53 | write_sysreg(val, HDCR); | ||
| 52 | } | 54 | } |
| 53 | 55 | ||
| 54 | static void __hyp_text __deactivate_traps(struct kvm_vcpu *vcpu) | 56 | static void __hyp_text __deactivate_traps(struct kvm_vcpu *vcpu) |