diff options
Diffstat (limited to 'arch/arm/kvm/arm.c')
| -rw-r--r-- | arch/arm/kvm/arm.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 237d5d82f0af..893941ec98dc 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -455,7 +455,7 @@ static void update_vttbr(struct kvm *kvm) static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu) { struct kvm *kvm = vcpu->kvm; - int ret; + int ret = 0; if (likely(vcpu->arch.has_run_once)) return 0; @@ -478,9 +478,9 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu) * interrupts from the virtual timer with a userspace gic. */ if (irqchip_in_kernel(kvm) && vgic_initialized(kvm)) - kvm_timer_enable(kvm); + ret = kvm_timer_enable(vcpu); - return 0; + return ret; } bool kvm_arch_intc_initialized(struct kvm *kvm) @@ -488,30 +488,37 @@ bool kvm_arch_intc_initialized(struct kvm *kvm) return vgic_initialized(kvm); } -static void kvm_arm_halt_guest(struct kvm *kvm) __maybe_unused; -static void kvm_arm_resume_guest(struct kvm *kvm) __maybe_unused; - -static void kvm_arm_halt_guest(struct kvm *kvm) +void kvm_arm_halt_guest(struct kvm *kvm) { int i; struct kvm_vcpu *vcpu; kvm_for_each_vcpu(i, vcpu, kvm) vcpu->arch.pause = true; - force_vm_exit(cpu_all_mask); + kvm_make_all_cpus_request(kvm, KVM_REQ_VCPU_EXIT); +} + +void kvm_arm_halt_vcpu(struct kvm_vcpu *vcpu) +{ + vcpu->arch.pause = true; + kvm_vcpu_kick(vcpu); } -static void kvm_arm_resume_guest(struct kvm *kvm) +void kvm_arm_resume_vcpu(struct kvm_vcpu *vcpu) +{ + struct swait_queue_head *wq = kvm_arch_vcpu_wq(vcpu); + + vcpu->arch.pause = false; + swake_up(wq); +} + +void kvm_arm_resume_guest(struct kvm *kvm) { int i; struct kvm_vcpu *vcpu; - kvm_for_each_vcpu(i, vcpu, kvm) { - struct swait_queue_head *wq = kvm_arch_vcpu_wq(vcpu); - - vcpu->arch.pause = false; - swake_up(wq); - } + kvm_for_each_vcpu(i, vcpu, kvm) + kvm_arm_resume_vcpu(vcpu); } static void vcpu_sleep(struct kvm_vcpu *vcpu) |