[PATCH] KVM: Disallow the kvm-amd module on intel hardware, and vice versa

They're not on speaking terms.

Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 3 insertions, 5 deletions

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 73a022c1f7b6..0e6bc8c649ce 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -377,6 +377,7 @@ static __init int svm_hardware_setup(void)
         void *msrpm_va;
         int r;
 
+        kvm_emulator_want_group7_invlpg();
 
         iopm_pages = alloc_pages(GFP_KERNEL, IOPM_ALLOC_ORDER);
 
@@ -1628,9 +1629,7 @@ static struct kvm_arch_ops svm_arch_ops = {
 
 static int __init svm_init(void)
 {
-        kvm_emulator_want_group7_invlpg();
-        kvm_init_arch(&svm_arch_ops, THIS_MODULE);
-        return 0;
+        return kvm_init_arch(&svm_arch_ops, THIS_MODULE);
 }
 
 static void __exit svm_exit(void)
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 43622061660b..d046296a9304 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -2000,8 +2000,7 @@ static struct kvm_arch_ops vmx_arch_ops = {
 
 static int __init vmx_init(void)
 {
-        kvm_init_arch(&vmx_arch_ops, THIS_MODULE);
-        return 0;
+        return kvm_init_arch(&vmx_arch_ops, THIS_MODULE);
 }
 
 static void __exit vmx_exit(void)