From: Sean Christopherson Date: Wed, 7 Jun 2023 20:35:19 +0000 (-0700) Subject: KVM: SVM: Use svm_get_lbr_vmcb() helper to handle writes to DEBUGCTL X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=a85cd52d720588b0060a0ebac5c7f497ad6bcd86;p=tomoyo%2Ftomoyo-test1.git KVM: SVM: Use svm_get_lbr_vmcb() helper to handle writes to DEBUGCTL Use the recently introduced svm_get_lbr_vmcb() instead an open coded equivalent to retrieve the target VMCB when emulating writes to MSR_IA32_DEBUGCTLMSR. No functional change intended. Link: https://lore.kernel.org/r/20230607203519.1570167-4-seanjc@google.com Signed-off-by: Sean Christopherson --- diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index 6fa918b588d2..d76c8a0764f1 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -3052,13 +3052,8 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr) if (data & DEBUGCTL_RESERVED_BITS) return 1; - if (svm->vmcb->control.virt_ext & LBR_CTL_ENABLE_MASK) - svm->vmcb->save.dbgctl = data; - else - svm->vmcb01.ptr->save.dbgctl = data; - + svm_get_lbr_vmcb(svm)->save.dbgctl = data; svm_update_lbrv(vcpu); - break; case MSR_VM_HSAVE_PA: /*