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From: Sean Christopherson <seanjc@google.com>
To: Sean Christopherson <seanjc@google.com>,
	Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Jethro Beekman" <jethro@fortanix.com>,
	"Alexander Potapenko" <glider@google.com>,
	"Carlos López" <clopez@suse.de>
Subject: [PATCH 10/21] KVM: SEV: Move standard VM-scoped helpers to detect SEV+ guests to sev.c
Date: Tue, 10 Mar 2026 16:48:18 -0700	[thread overview]
Message-ID: <20260310234829.2608037-11-seanjc@google.com> (raw)
In-Reply-To: <20260310234829.2608037-1-seanjc@google.com>

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@google.com>
---
 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


  parent reply	other threads:[~2026-03-10 23:48 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-10 23:48 [PATCH 00/21] Fixes and lock cleanup+hardening Sean Christopherson
2026-03-10 23:48 ` [PATCH 01/21] KVM: selftests: Remove duplicate LAUNCH_UPDATE_VMSA call in SEV-ES migrate test Sean Christopherson
2026-03-10 23:48 ` [PATCH 02/21] KVM: SEV: Reject attempts to sync VMSA of an already-launched/encrypted vCPU Sean Christopherson
2026-03-10 23:48 ` [PATCH 03/21] KVM: SEV: Protect *all* of sev_mem_enc_register_region() with kvm->lock Sean Christopherson
2026-03-10 23:48 ` [PATCH 04/21] KVM: SEV: Disallow LAUNCH_FINISH if vCPUs are actively being created Sean Christopherson
2026-03-10 23:48 ` [PATCH 05/21] KVM: SEV: Lock all vCPUs when synchronzing VMSAs for SNP launch finish Sean Christopherson
2026-04-08 14:07   ` Aithal, Srikanth
2026-04-08 18:42     ` Sean Christopherson
2026-04-09  5:12       ` Aithal, Srikanth
2026-03-10 23:48 ` [PATCH 06/21] KVM: SEV: Lock all vCPUs for the duration of SEV-ES VMSA synchronization Sean Christopherson
2026-03-10 23:48 ` [PATCH 07/21] KVM: SEV: Provide vCPU-scoped accessors for detecting SEV+ guests Sean Christopherson
2026-03-10 23:48 ` [PATCH 08/21] KVM: SEV: Add quad-underscore version of VM-scoped APIs to detect " Sean Christopherson
2026-03-10 23:48 ` [PATCH 09/21] KVM: SEV: Document the SEV-ES check when querying SMM support as "safe" Sean Christopherson
2026-03-10 23:48 ` Sean Christopherson [this message]
2026-03-17 10:33   ` [PATCH 10/21] KVM: SEV: Move standard VM-scoped helpers to detect SEV+ guests to sev.c Alexander Potapenko
2026-03-31 18:42     ` Sean Christopherson
2026-03-10 23:48 ` [PATCH 11/21] KVM: SEV: Move SEV-specific VM initialization " Sean Christopherson
2026-03-10 23:48 ` [PATCH 12/21] KVM: SEV: WARN on unhandled VM type when initializing VM Sean Christopherson
2026-04-09  5:12   ` Yan Zhao
2026-04-09 18:48     ` Sean Christopherson
2026-04-10  7:46       ` Yan Zhao
2026-04-10 15:49         ` Sean Christopherson
2026-03-10 23:48 ` [PATCH 13/21] KVM: SEV: Hide "struct kvm_sev_info" behind CONFIG_KVM_AMD_SEV=y Sean Christopherson
2026-03-10 23:48 ` [PATCH 14/21] KVM: SEV: Document that checking for SEV+ guests when reclaiming memory is "safe" Sean Christopherson
2026-03-10 23:48 ` [PATCH 15/21] KVM: SEV: Assert that kvm->lock is held when querying SEV+ support Sean Christopherson
2026-03-10 23:48 ` [PATCH 16/21] KVM: SEV: use mutex guard in snp_launch_update() Sean Christopherson
2026-03-10 23:48 ` [PATCH 17/21] KVM: SEV: use mutex guard in sev_mem_enc_ioctl() Sean Christopherson
2026-03-10 23:48 ` [PATCH 18/21] KVM: SEV: use mutex guard in sev_mem_enc_unregister_region() Sean Christopherson
2026-03-10 23:48 ` [PATCH 19/21] KVM: SEV: use mutex guard in snp_handle_guest_req() Sean Christopherson
2026-03-10 23:48 ` [PATCH 20/21] KVM: SVM: Move lock-protected allocation of SEV ASID into a separate helper Sean Christopherson
2026-03-10 23:48 ` [PATCH 21/21] KVM: SEV: Goto an existing error label if charging misc_cg for an ASID fails Sean Christopherson
2026-03-11 14:29 ` [PATCH 00/21] Fixes and lock cleanup+hardening Jethro Beekman
2026-03-12 16:03   ` Sean Christopherson
2026-04-08  0:14 ` Sean Christopherson

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