kvm: destroy emulated devices on VM exit

The hassle of getting refcounting right was greater than the hassle
of keeping a list of devices to destroy on VM exit.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index feffbdaf8986..36c977694741 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -393,6 +393,7 @@ struct kvm {
         long mmu_notifier_count;
 #endif
         long tlbs_dirty;
+        struct list_head devices;
 };
 
 #define kvm_err(fmt, ...) \
@@ -1069,8 +1070,8 @@ struct kvm_device_ops;
 struct kvm_device {
         struct kvm_device_ops *ops;
         struct kvm *kvm;
-        atomic_t users;
         void *private;
+        struct list_head vm_node;
 };
 
 /* create, destroy, and name are mandatory */