[PATCH 10/21] KVM: SEV: Move standard VM-scoped helpers to detect SEV+ guests to sev.c

From: Sean Christopherson

Date: Tue Mar 10 2026 - 19:49:29 EST


Now that all external usage of the VM-scoped APIs to detect SEV+ guests is
gone, drop the stubs provided for CONFIG_KVM_AMD_SEV=n builds and bury the
"standard" APIs in sev.c.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
arch/x86/kvm/svm/sev.c | 14 ++++++++++++++
arch/x86/kvm/svm/svm.h | 17 -----------------
2 files changed, 14 insertions(+), 17 deletions(-)

diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 35033dc79390..0c5b47272335 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -107,6 +107,20 @@ static unsigned int nr_asids;
static unsigned long *sev_asid_bitmap;
static unsigned long *sev_reclaim_asid_bitmap;

+static bool sev_guest(struct kvm *kvm)
+{
+ return ____sev_guest(kvm);
+}
+static bool sev_es_guest(struct kvm *kvm)
+{
+ return ____sev_es_guest(kvm);
+}
+
+static bool sev_snp_guest(struct kvm *kvm)
+{
+ return ____sev_snp_guest(kvm);
+}
+
static int snp_decommission_context(struct kvm *kvm);

struct enc_region {
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 5f8977eec874..1b27d20f3022 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -389,20 +389,6 @@ static __always_inline bool ____sev_snp_guest(struct kvm *kvm)
!WARN_ON_ONCE(!____sev_es_guest(kvm));
}

-static __always_inline bool sev_guest(struct kvm *kvm)
-{
- return ____sev_guest(kvm);
-}
-static __always_inline bool sev_es_guest(struct kvm *kvm)
-{
- return ____sev_es_guest(kvm);
-}
-
-static __always_inline bool sev_snp_guest(struct kvm *kvm)
-{
- return ____sev_snp_guest(kvm);
-}
-
static __always_inline bool is_sev_guest(struct kvm_vcpu *vcpu)
{
return ____sev_guest(vcpu->kvm);
@@ -417,9 +403,6 @@ static __always_inline bool is_sev_snp_guest(struct kvm_vcpu *vcpu)
return ____sev_snp_guest(vcpu->kvm);
}
#else
-#define sev_guest(kvm) false
-#define sev_es_guest(kvm) false
-#define sev_snp_guest(kvm) false
#define is_sev_guest(vcpu) false
#define is_sev_es_guest(vcpu) false
#define is_sev_snp_guest(vcpu) false
--
2.53.0.473.g4a7958ca14-goog