3 files changed, 13 insertions, 16 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 791b2b2e15dc..d7088a1d4de6 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -44,6 +44,14 @@
 #define MISC_CG_RES_SEV_ES MISC_CG_RES_TYPES
 #endif
 
+/* enable/disable SEV support */
+static int sev = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT);
+module_param(sev, int, 0444);
+
+/* enable/disable SEV-ES support */
+static int sev_es = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT);
+module_param(sev_es, int, 0444);
+
 static u8 sev_enc_bit;
 static int sev_flush_asids(void);
 static DECLARE_RWSEM(sev_deactivate_lock);
@@ -1805,6 +1813,9 @@ void __init sev_hardware_setup(void)
 	bool sev_es_supported = false;
 	bool sev_supported = false;
 
+	if (!IS_ENABLED(CONFIG_KVM_AMD_SEV) || !sev || !npt_enabled)
+		goto out;
+
 	/* Does the CPU support SEV? */
 	if (!boot_cpu_has(X86_FEATURE_SEV))
 		goto out;
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index b854b13e61b5..cbddcdb18d97 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -185,14 +185,6 @@ module_param(vls, int, 0444);
 static int vgif = true;
 module_param(vgif, int, 0444);
 
-/* enable/disable SEV support */
-int sev = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT);
-module_param(sev, int, 0444);
-
-/* enable/disable SEV-ES support */
-int sev_es = IS_ENABLED(CONFIG_AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT);
-module_param(sev_es, int, 0444);
-
 bool __read_mostly dump_invalid_vmcb;
 module_param(dump_invalid_vmcb, bool, 0644);
 
@@ -996,12 +988,8 @@ static __init int svm_hardware_setup(void)
 	kvm_configure_mmu(npt_enabled, get_max_npt_level(), PG_LEVEL_1G);
 	pr_info("kvm: Nested Paging %sabled\n", npt_enabled ? "en" : "dis");
 
-	if (IS_ENABLED(CONFIG_KVM_AMD_SEV) && sev && npt_enabled) {
-		sev_hardware_setup();
-	} else {
-		sev = false;
-		sev_es = false;
-	}
+	/* Note, SEV setup consumes npt_enabled. */
+	sev_hardware_setup();
 
 	svm_adjust_mmio_mask();
 
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 5d8027e9c1c5..afc3166c9027 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -391,8 +391,6 @@ static inline bool gif_set(struct vcpu_svm *svm)
 /* svm.c */
 #define MSR_INVALID				0xffffffffU
 
-extern int sev;
-extern int sev_es;
 extern bool dump_invalid_vmcb;
 
 u32 svm_msrpm_offset(u32 msr);