linux-kernel - [PATCH V2 1/5] KVM: SVM: Move STGI and CLGI intercept handling

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Message-ID: <20260112174535.3132800-2-chengkev@google.com>
Date: Mon, 12 Jan 2026 17:45:31 +0000
From: Kevin Cheng <chengkev@...gle.com>
To: seanjc@...gle.com, pbonzini@...hat.com
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, yosry.ahmed@...ux.dev, 
	Kevin Cheng <chengkev@...gle.com>
Subject: [PATCH V2 1/5] KVM: SVM: Move STGI and CLGI intercept handling

Similar to VMLOAD/VMSAVE intercept handling, move the STGI/CLGI
intercept handling to svm_recalc_instruction_intercepts().
---
 arch/x86/kvm/svm/svm.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 24d59ccfa40d9..6373a25d85479 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1010,6 +1010,11 @@ static void svm_recalc_instruction_intercepts(struct kvm_vcpu *vcpu)
 			svm_clr_intercept(svm, INTERCEPT_VMSAVE);
 			svm->vmcb->control.virt_ext |= VIRTUAL_VMLOAD_VMSAVE_ENABLE_MASK;
 		}
+
+		if (vgif) {
+			svm_clr_intercept(svm, INTERCEPT_STGI);
+			svm_clr_intercept(svm, INTERCEPT_CLGI);
+		}
 	}
 }
 
@@ -1147,11 +1152,8 @@ static void init_vmcb(struct kvm_vcpu *vcpu, bool init_event)
 	if (vnmi)
 		svm->vmcb->control.int_ctl |= V_NMI_ENABLE_MASK;
 
-	if (vgif) {
-		svm_clr_intercept(svm, INTERCEPT_STGI);
-		svm_clr_intercept(svm, INTERCEPT_CLGI);
+	if (vgif)
 		svm->vmcb->control.int_ctl |= V_GIF_ENABLE_MASK;
-	}
 
 	if (vcpu->kvm->arch.bus_lock_detection_enabled)
 		svm_set_intercept(svm, INTERCEPT_BUSLOCK);
-- 
2.52.0.457.g6b5491de43-goog