linux-kernel - [PATCH 20/28] KVM: SVM: Fold svm_vcpu_init

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Message-ID: <20250529234013.3826933-21-seanjc@google.com>
Date: Thu, 29 May 2025 16:40:05 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Borislav Petkov <bp@...en8.de>, Xin Li <xin@...or.com>, Chao Gao <chao.gao@...el.com>, 
	Dapeng Mi <dapeng1.mi@...ux.intel.com>
Subject: [PATCH 20/28] KVM: SVM: Fold svm_vcpu_init_msrpm() into its sole caller

Fold svm_vcpu_init_msrpm() into svm_recalc_msr_intercepts() now that there
is only the one caller (and because the "init" misnomer is even more
misleading than it was in the past).

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 arch/x86/kvm/svm/svm.c | 27 +++++++++++----------------
 1 file changed, 11 insertions(+), 16 deletions(-)

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index bbd1d89d9a3b..12fbfbf9acad 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -787,21 +787,6 @@ static void svm_recalc_lbr_msr_intercepts(struct kvm_vcpu *vcpu)
 
 }
 
-static void svm_vcpu_init_msrpm(struct kvm_vcpu *vcpu)
-{
-	svm_disable_intercept_for_msr(vcpu, MSR_STAR, MSR_TYPE_RW);
-	svm_disable_intercept_for_msr(vcpu, MSR_IA32_SYSENTER_CS, MSR_TYPE_RW);
-
-#ifdef CONFIG_X86_64
-	svm_disable_intercept_for_msr(vcpu, MSR_GS_BASE, MSR_TYPE_RW);
-	svm_disable_intercept_for_msr(vcpu, MSR_FS_BASE, MSR_TYPE_RW);
-	svm_disable_intercept_for_msr(vcpu, MSR_KERNEL_GS_BASE, MSR_TYPE_RW);
-	svm_disable_intercept_for_msr(vcpu, MSR_LSTAR, MSR_TYPE_RW);
-	svm_disable_intercept_for_msr(vcpu, MSR_CSTAR, MSR_TYPE_RW);
-	svm_disable_intercept_for_msr(vcpu, MSR_SYSCALL_MASK, MSR_TYPE_RW);
-#endif
-}
-
 void svm_set_x2apic_msr_interception(struct vcpu_svm *svm, bool intercept)
 {
 	static const u32 x2avic_passthrough_msrs[] = {
@@ -860,7 +845,17 @@ static void svm_recalc_msr_intercepts(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	svm_vcpu_init_msrpm(vcpu);
+	svm_disable_intercept_for_msr(vcpu, MSR_STAR, MSR_TYPE_RW);
+	svm_disable_intercept_for_msr(vcpu, MSR_IA32_SYSENTER_CS, MSR_TYPE_RW);
+
+#ifdef CONFIG_X86_64
+	svm_disable_intercept_for_msr(vcpu, MSR_GS_BASE, MSR_TYPE_RW);
+	svm_disable_intercept_for_msr(vcpu, MSR_FS_BASE, MSR_TYPE_RW);
+	svm_disable_intercept_for_msr(vcpu, MSR_KERNEL_GS_BASE, MSR_TYPE_RW);
+	svm_disable_intercept_for_msr(vcpu, MSR_LSTAR, MSR_TYPE_RW);
+	svm_disable_intercept_for_msr(vcpu, MSR_CSTAR, MSR_TYPE_RW);
+	svm_disable_intercept_for_msr(vcpu, MSR_SYSCALL_MASK, MSR_TYPE_RW);
+#endif
 
 	if (lbrv)
 		svm_recalc_lbr_msr_intercepts(vcpu);
-- 
2.49.0.1204.g71687c7c1d-goog