KVM: Initialize the mmu caches only after verifying cpu support

Otherwise we re-initialize the mmu caches, which will fail since the
caches are already registered, which will cause us to deinitialize said caches.

Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 6 insertions, 8 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8a90403272e2..77d57ff3d74e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2187,12 +2187,6 @@ int kvm_arch_init(void *opaque)
         int r;
         struct kvm_x86_ops *ops = (struct kvm_x86_ops *)opaque;
 
-        r = kvm_mmu_module_init();
-        if (r)
-                goto out_fail;
-
-        kvm_init_msr_list();
-
         if (kvm_x86_ops) {
                 printk(KERN_ERR "kvm: already loaded the other module\n");
                 r = -EEXIST;
@@ -2210,13 +2204,17 @@ int kvm_arch_init(void *opaque)
                 goto out;
         }
 
+        r = kvm_mmu_module_init();
+        if (r)
+                goto out;
+
+        kvm_init_msr_list();
+
         kvm_x86_ops = ops;
         kvm_mmu_set_nonpresent_ptes(0ull, 0ull);
         return 0;
 
 out:
-        kvm_mmu_module_exit();
-out_fail:
         return r;
 }