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Diffstat (limited to 'arch/x86/kvm/ioapic.c')
-rw-r--r--arch/x86/kvm/ioapic.c28
1 files changed, 10 insertions, 18 deletions
diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c
index 289270a6aecb..bdff437acbcb 100644
--- a/arch/x86/kvm/ioapic.c
+++ b/arch/x86/kvm/ioapic.c
@@ -266,11 +266,9 @@ void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, ulong *ioapic_handled_vectors)
spin_unlock(&ioapic->lock);
}
-void kvm_vcpu_request_scan_ioapic(struct kvm *kvm)
+void kvm_arch_post_irq_ack_notifier_list_update(struct kvm *kvm)
{
- struct kvm_ioapic *ioapic = kvm->arch.vioapic;
-
- if (!ioapic)
+ if (!ioapic_in_kernel(kvm))
return;
kvm_make_scan_ioapic_request(kvm);
}
@@ -315,7 +313,7 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
if (e->fields.trig_mode == IOAPIC_LEVEL_TRIG
&& ioapic->irr & (1 << index))
ioapic_service(ioapic, index, false);
- kvm_vcpu_request_scan_ioapic(ioapic->kvm);
+ kvm_make_scan_ioapic_request(ioapic->kvm);
break;
}
}
@@ -624,10 +622,8 @@ int kvm_ioapic_init(struct kvm *kvm)
if (ret < 0) {
kvm->arch.vioapic = NULL;
kfree(ioapic);
- return ret;
}
- kvm_vcpu_request_scan_ioapic(kvm);
return ret;
}
@@ -639,36 +635,32 @@ void kvm_ioapic_destroy(struct kvm *kvm)
return;
cancel_delayed_work_sync(&ioapic->eoi_inject);
+ mutex_lock(&kvm->slots_lock);
kvm_io_bus_unregister_dev(kvm, KVM_MMIO_BUS, &ioapic->dev);
+ mutex_unlock(&kvm->slots_lock);
kvm->arch.vioapic = NULL;
kfree(ioapic);
}
-int kvm_get_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state)
+void kvm_get_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state)
{
- struct kvm_ioapic *ioapic = ioapic_irqchip(kvm);
- if (!ioapic)
- return -EINVAL;
+ struct kvm_ioapic *ioapic = kvm->arch.vioapic;
spin_lock(&ioapic->lock);
memcpy(state, ioapic, sizeof(struct kvm_ioapic_state));
state->irr &= ~ioapic->irr_delivered;
spin_unlock(&ioapic->lock);
- return 0;
}
-int kvm_set_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state)
+void kvm_set_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state)
{
- struct kvm_ioapic *ioapic = ioapic_irqchip(kvm);
- if (!ioapic)
- return -EINVAL;
+ struct kvm_ioapic *ioapic = kvm->arch.vioapic;
spin_lock(&ioapic->lock);
memcpy(ioapic, state, sizeof(struct kvm_ioapic_state));
ioapic->irr = 0;
ioapic->irr_delivered = 0;
- kvm_vcpu_request_scan_ioapic(kvm);
+ kvm_make_scan_ioapic_request(kvm);
kvm_ioapic_inject_all(ioapic, state->irr);
spin_unlock(&ioapic->lock);
- return 0;
}