obj-$(CONFIG_KVM) += kvm.o
obj-$(CONFIG_KVM) += hyp/
-kvm-y := $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o \
- $(KVM)/vfio.o $(KVM)/irqchip.o $(KVM)/binary_stats.o \
- arm.o mmu.o mmio.o psci.o perf.o hypercalls.o pvtime.o \
+kvm-y += arm.o mmu.o mmio.o psci.o perf.o hypercalls.o pvtime.o \
inject_fault.o va_layout.o handle_exit.o \
guest.o debug.o reset.o sys_regs.o \
- vgic-sys-reg-v3.o fpsimd.o pmu.o \
+ vgic-sys-reg-v3.o fpsimd.o pmu.o pkvm.o \
arch_timer.o trng.o\
vgic/vgic.o vgic/vgic-init.o \
vgic/vgic-irqfd.o vgic/vgic-v2.o \
kvm_vgic_destroy(kvm);
- for (i = 0; i < KVM_MAX_VCPUS; ++i) {
- if (kvm->vcpus[i]) {
- kvm_vcpu_destroy(kvm->vcpus[i]);
- kvm->vcpus[i] = NULL;
- }
- }
- atomic_set(&kvm->online_vcpus, 0);
+ kvm_destroy_vcpus(kvm);
+
+ kvm_unshare_hyp(kvm, kvm + 1);
}
int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
smp_rmb();
}
- static int kvm_vcpu_initialized(struct kvm_vcpu *vcpu)
- {
- return vcpu->arch.target >= 0;
- }
-
+/**
+ * kvm_vcpu_wfi - emulate Wait-For-Interrupt behavior
+ * @vcpu: The VCPU pointer
+ *
+ * Suspend execution of a vCPU until a valid wake event is detected, i.e. until
+ * the vCPU is runnable. The vCPU may or may not be scheduled out, depending
+ * on when a wake event arrives, e.g. there may already be a pending wake event.
+ */
+void kvm_vcpu_wfi(struct kvm_vcpu *vcpu)
+{
+ /*
+ * Sync back the state of the GIC CPU interface so that we have
+ * the latest PMR and group enables. This ensures that
+ * kvm_arch_vcpu_runnable has up-to-date data to decide whether
+ * we have pending interrupts, e.g. when determining if the
+ * vCPU should block.
+ *
+ * For the same reason, we want to tell GICv4 that we need
+ * doorbells to be signalled, should an interrupt become pending.
+ */
+ preempt_disable();
+ kvm_vgic_vmcr_sync(vcpu);
+ vgic_v4_put(vcpu, true);
+ preempt_enable();
+
+ kvm_vcpu_halt(vcpu);
+ kvm_clear_request(KVM_REQ_UNHALT, vcpu);
+
+ preempt_disable();
+ vgic_v4_load(vcpu);
+ preempt_enable();
+}
+
static void check_vcpu_requests(struct kvm_vcpu *vcpu)
{
if (kvm_request_pending(vcpu)) {