diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/nvhe/timer-sr.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/timer-sr.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/timer-sr.c b/arch/arm64/kvm/hyp/nvhe/timer-sr.c index b185ac0dbd47..3aaab20ae5b4 100644 --- a/arch/arm64/kvm/hyp/nvhe/timer-sr.c +++ b/arch/arm64/kvm/hyp/nvhe/timer-sr.c @@ -17,21 +17,24 @@ void __kvm_timer_set_cntvoff(u64 cntvoff) } /* - * Should only be called on non-VHE systems. + * Should only be called on non-VHE or hVHE setups. * VHE systems use EL2 timers and configure EL1 timers in kvm_timer_init_vhe(). */ void __timer_disable_traps(struct kvm_vcpu *vcpu) { - u64 val; + u64 val, shift = 0; + + if (has_hvhe()) + shift = 10; /* Allow physical timer/counter access for the host */ val = read_sysreg(cnthctl_el2); - val |= CNTHCTL_EL1PCTEN | CNTHCTL_EL1PCEN; + val |= (CNTHCTL_EL1PCTEN | CNTHCTL_EL1PCEN) << shift; write_sysreg(val, cnthctl_el2); } /* - * Should only be called on non-VHE systems. + * Should only be called on non-VHE or hVHE setups. * VHE systems use EL2 timers and configure EL1 timers in kvm_timer_init_vhe(). */ void __timer_enable_traps(struct kvm_vcpu *vcpu) @@ -50,5 +53,10 @@ void __timer_enable_traps(struct kvm_vcpu *vcpu) else clr |= CNTHCTL_EL1PCTEN; + if (has_hvhe()) { + clr <<= 10; + set <<= 10; + } + sysreg_clear_set(cnthctl_el2, clr, set); } |