From: Paolo Bonzini <pbonzini@redhat.com>
Date: Mon, 27 Apr 2026 17:57:52 +0000 (-0400)
Subject: KVM: SVM: pass struct vcpu_svm to msr_write_intercepted
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4d33fd3819a36708031a7f689efea344332592a4;p=thirdparty%2Fkernel%2Flinux.git

KVM: SVM: pass struct vcpu_svm to msr_write_intercepted

Remove an unnecessary difference between Intel and AMD.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index e7fdd7a9c280..0a2b85db8977 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -661,7 +661,7 @@ static void clr_dr_intercepts(struct vcpu_svm *svm)
 	svm_mark_intercepts_dirty(svm);
 }
 
-static bool msr_write_intercepted(struct kvm_vcpu *vcpu, u32 msr)
+static bool msr_write_intercepted(struct vcpu_svm *svm, u32 msr)
 {
 	/*
 	 * For non-nested case:
@@ -672,8 +672,7 @@ static bool msr_write_intercepted(struct kvm_vcpu *vcpu, u32 msr)
 	 * If the L02 MSR bitmap does not intercept the MSR, then we need to
 	 * save it.
 	 */
-	void *msrpm = is_guest_mode(vcpu) ? to_svm(vcpu)->nested.msrpm :
-					    to_svm(vcpu)->msrpm;
+	void *msrpm = is_guest_mode(&svm->vcpu) ? svm->nested.msrpm : svm->msrpm;
 
 	return svm_test_msr_bitmap_write(msrpm, msr);
 }
@@ -2764,7 +2763,7 @@ static bool sev_es_prevent_msr_access(struct kvm_vcpu *vcpu,
 {
 	return is_sev_es_guest(vcpu) && vcpu->arch.guest_state_protected &&
 	       msr_info->index != MSR_IA32_XSS &&
-	       !msr_write_intercepted(vcpu, msr_info->index);
+	       !msr_write_intercepted(to_svm(vcpu), msr_info->index);
 }
 
 static int svm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
@@ -4414,7 +4413,7 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu, u64 run_flags)
 {
 	bool force_immediate_exit = run_flags & KVM_RUN_FORCE_IMMEDIATE_EXIT;
 	struct vcpu_svm *svm = to_svm(vcpu);
-	bool spec_ctrl_intercepted = msr_write_intercepted(vcpu, MSR_IA32_SPEC_CTRL);
+	bool spec_ctrl_intercepted = msr_write_intercepted(svm, MSR_IA32_SPEC_CTRL);
 
 	trace_kvm_entry(vcpu, force_immediate_exit);
 
@@ -4556,7 +4555,7 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu, u64 run_flags)
 
 	vcpu->arch.regs_avail &= ~SVM_REGS_LAZY_LOAD_SET;
 
-	if (!msr_write_intercepted(vcpu, MSR_AMD64_PERF_CNTR_GLOBAL_CTL))
+	if (!msr_write_intercepted(svm, MSR_AMD64_PERF_CNTR_GLOBAL_CTL))
 		rdmsrq(MSR_AMD64_PERF_CNTR_GLOBAL_CTL, vcpu_to_pmu(vcpu)->global_ctrl);
 
 	trace_kvm_exit(vcpu, KVM_ISA_SVM);