linux-kernel - [PATCH 1/3] KVM: Disallow the kvm-amd module on intel hardware, and vice versa

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Date:	Tue, 12 Dec 2006 13:57:37 -0000
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, akpm@...l.org, mingo@...e.hu
Subject: [PATCH 1/3] KVM: Disallow the kvm-amd module on intel hardware,
	and vice versa

They're not on speaking terms.

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

Index: linux-2.6/drivers/kvm/svm.c
===================================================================
--- linux-2.6.orig/drivers/kvm/svm.c
+++ linux-2.6/drivers/kvm/svm.c
@@ -377,6 +377,7 @@ static __init int svm_hardware_setup(voi
 	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)
Index: linux-2.6/drivers/kvm/vmx.c
===================================================================
--- linux-2.6.orig/drivers/kvm/vmx.c
+++ linux-2.6/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)
-
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