diff options
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/arm/arch_timer.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/virt/kvm/arm/arch_timer.c b/virt/kvm/arm/arch_timer.c index 35d7100e0815..363f0d2cfc79 100644 --- a/virt/kvm/arm/arch_timer.c +++ b/virt/kvm/arm/arch_timer.c @@ -189,8 +189,6 @@ static void kvm_timer_update_irq(struct kvm_vcpu *vcpu, bool new_level, { int ret; - BUG_ON(!vgic_initialized(vcpu->kvm)); - timer_ctx->active_cleared_last = false; timer_ctx->irq.level = new_level; trace_kvm_timer_update_irq(vcpu->vcpu_id, timer_ctx->irq.irq, @@ -205,7 +203,7 @@ static void kvm_timer_update_irq(struct kvm_vcpu *vcpu, bool new_level, * Check if there was a change in the timer state (should we raise or lower * the line level to the GIC). */ -static int kvm_timer_update_state(struct kvm_vcpu *vcpu) +static void kvm_timer_update_state(struct kvm_vcpu *vcpu) { struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu; struct arch_timer_context *vtimer = vcpu_vtimer(vcpu); @@ -217,16 +215,14 @@ static int kvm_timer_update_state(struct kvm_vcpu *vcpu) * because the guest would never see the interrupt. Instead wait * until we call this function from kvm_timer_flush_hwstate. */ - if (!vgic_initialized(vcpu->kvm) || !timer->enabled) - return -ENODEV; + if (!timer->enabled) + return; if (kvm_timer_should_fire(vtimer) != vtimer->irq.level) kvm_timer_update_irq(vcpu, !vtimer->irq.level, vtimer); if (kvm_timer_should_fire(ptimer) != ptimer->irq.level) kvm_timer_update_irq(vcpu, !ptimer->irq.level, ptimer); - - return 0; } /* Schedule the background timer for the emulated timer. */ @@ -295,13 +291,16 @@ void kvm_timer_unschedule(struct kvm_vcpu *vcpu) */ void kvm_timer_flush_hwstate(struct kvm_vcpu *vcpu) { + struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu; struct arch_timer_context *vtimer = vcpu_vtimer(vcpu); bool phys_active; int ret; - if (kvm_timer_update_state(vcpu)) + if (unlikely(!timer->enabled)) return; + kvm_timer_update_state(vcpu); + /* Set the background timer for the physical timer emulation. */ kvm_timer_emulate(vcpu, vcpu_ptimer(vcpu)); |