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-rw-r--r--include/linux/kvm_host.h13
-rw-r--r--virt/kvm/eventfd.c7
-rw-r--r--virt/kvm/kvm_main.c6
3 files changed, 21 insertions, 5 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ac584cc53581..d50fe173028b 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -424,6 +424,19 @@ void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
int __must_check vcpu_load(struct kvm_vcpu *vcpu);
void vcpu_put(struct kvm_vcpu *vcpu);
+#ifdef __KVM_HAVE_IOAPIC
+int kvm_irqfd_init(void);
+void kvm_irqfd_exit(void);
+#else
+static inline int kvm_irqfd_init(void)
+{
+ return 0;
+}
+
+static inline void kvm_irqfd_exit(void)
+{
+}
+#endif
int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
struct module *module);
void kvm_exit(void);
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index adb17f266b28..0b6fe69bb03d 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -543,7 +543,7 @@ void kvm_irq_routing_update(struct kvm *kvm,
* aggregated from all vm* instances. We need our own isolated single-thread
* queue to prevent deadlock against flushing the normal work-queue.
*/
-static int __init irqfd_module_init(void)
+int kvm_irqfd_init(void)
{
irqfd_cleanup_wq = create_singlethread_workqueue("kvm-irqfd-cleanup");
if (!irqfd_cleanup_wq)
@@ -552,13 +552,10 @@ static int __init irqfd_module_init(void)
return 0;
}
-static void __exit irqfd_module_exit(void)
+void kvm_irqfd_exit(void)
{
destroy_workqueue(irqfd_cleanup_wq);
}
-
-module_init(irqfd_module_init);
-module_exit(irqfd_module_exit);
#endif
/*
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 0e919a1d4d56..faf05bddd131 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2898,6 +2898,9 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align,
int r;
int cpu;
+ r = kvm_irqfd_init();
+ if (r)
+ goto out_irqfd;
r = kvm_arch_init(opaque);
if (r)
goto out_fail;
@@ -2978,6 +2981,8 @@ out_free_0a:
out_free_0:
kvm_arch_exit();
out_fail:
+ kvm_irqfd_exit();
+out_irqfd:
return r;
}
EXPORT_SYMBOL_GPL(kvm_init);
@@ -2994,6 +2999,7 @@ void kvm_exit(void)
on_each_cpu(hardware_disable_nolock, NULL, 1);
kvm_arch_hardware_unsetup();
kvm_arch_exit();
+ kvm_irqfd_exit();
free_cpumask_var(cpus_hardware_enabled);
}
EXPORT_SYMBOL_GPL(kvm_exit);