static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu)
{
struct kvm *kvm = vcpu->kvm;
int ret;
if (likely(vcpu->arch.has_run_once))
return 0;
vcpu->arch.has_run_once = true;
/*
* Map the VGIC hardware resources before running a vcpu the first
* time on this VM.
*/
if (unlikely(irqchip_in_kernel(kvm) && !vgic_ready(kvm))) {
ret = kvm_vgic_map_resources(kvm);
if (ret)
return ret;
}
/*
* Enable the arch timers only if we have an in-kernel VGIC
* and it has been properly initialized, since we cannot handle
* interrupts from the virtual timer with a userspace gic.
*/
if (irqchip_in_kernel(kvm) && vgic_initialized(kvm))
kvm_timer_enable(kvm);
return 0;
}
static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu)
{
struct kvm *kvm = vcpu->kvm;
int ret = 0;
if (likely(vcpu->arch.has_run_once))
return 0;
vcpu->arch.has_run_once = true;
/*
* Map the VGIC hardware resources before running a vcpu the first
* time on this VM.
*/
if (unlikely(irqchip_in_kernel(kvm) && !vgic_ready(kvm))) {
ret = kvm_vgic_map_resources(kvm);
if (ret)
return ret;
}
ret = kvm_timer_enable(vcpu);
if (ret)
return ret;
ret = kvm_arm_pmu_v3_enable(vcpu);
return ret;
}