Move mapping vmcb12 and updating it out of nested_svm_vmexit() into a helper, no functional change intended. CC: stable@vger.kernel.org Co-developed-by: Sean Christopherson Signed-off-by: Sean Christopherson Signed-off-by: Yosry Ahmed --- arch/x86/kvm/svm/nested.c | 77 ++++++++++++++++++++++----------------- 1 file changed, 44 insertions(+), 33 deletions(-) diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index d84af051f65bc..82a92501ee86a 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -1125,36 +1125,20 @@ void svm_copy_vmloadsave_state(struct vmcb *to_vmcb, struct vmcb *from_vmcb) to_vmcb->save.sysenter_eip = from_vmcb->save.sysenter_eip; } -int nested_svm_vmexit(struct vcpu_svm *svm) +static int nested_svm_vmexit_update_vmcb12(struct kvm_vcpu *vcpu) { - struct kvm_vcpu *vcpu = &svm->vcpu; - struct vmcb *vmcb01 = svm->vmcb01.ptr; + struct vcpu_svm *svm = to_svm(vcpu); struct vmcb *vmcb02 = svm->nested.vmcb02.ptr; - struct vmcb *vmcb12; struct kvm_host_map map; + struct vmcb *vmcb12; int rc; rc = kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.vmcb12_gpa), &map); - if (rc) { - if (rc == -EINVAL) - kvm_inject_gp(vcpu, 0); - return 1; - } + if (rc) + return rc; vmcb12 = map.hva; - /* Exit Guest-Mode */ - leave_guest_mode(vcpu); - svm->nested.vmcb12_gpa = 0; - WARN_ON_ONCE(svm->nested.nested_run_pending); - - kvm_clear_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu); - - /* in case we halted in L2 */ - kvm_set_mp_state(vcpu, KVM_MP_STATE_RUNNABLE); - - /* Give the current vmcb to the guest */ - vmcb12->save.es = vmcb02->save.es; vmcb12->save.cs = vmcb02->save.cs; vmcb12->save.ss = vmcb02->save.ss; @@ -1191,10 +1175,48 @@ int nested_svm_vmexit(struct vcpu_svm *svm) if (guest_cpu_cap_has(vcpu, X86_FEATURE_NRIPS)) vmcb12->control.next_rip = vmcb02->control.next_rip; + if (nested_vmcb12_has_lbrv(vcpu)) + svm_copy_lbrs(&vmcb12->save, &vmcb02->save); + vmcb12->control.int_ctl = svm->nested.ctl.int_ctl; vmcb12->control.event_inj = svm->nested.ctl.event_inj; vmcb12->control.event_inj_err = svm->nested.ctl.event_inj_err; + trace_kvm_nested_vmexit_inject(vmcb12->control.exit_code, + vmcb12->control.exit_info_1, + vmcb12->control.exit_info_2, + vmcb12->control.exit_int_info, + vmcb12->control.exit_int_info_err, + KVM_ISA_SVM); + + kvm_vcpu_unmap(vcpu, &map); + return 0; +} + +int nested_svm_vmexit(struct vcpu_svm *svm) +{ + struct kvm_vcpu *vcpu = &svm->vcpu; + struct vmcb *vmcb01 = svm->vmcb01.ptr; + struct vmcb *vmcb02 = svm->nested.vmcb02.ptr; + int rc; + + rc = nested_svm_vmexit_update_vmcb12(vcpu); + if (rc) { + if (rc == -EINVAL) + kvm_inject_gp(vcpu, 0); + return 1; + } + + /* Exit Guest-Mode */ + leave_guest_mode(vcpu); + svm->nested.vmcb12_gpa = 0; + WARN_ON_ONCE(svm->nested.nested_run_pending); + + kvm_clear_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu); + + /* in case we halted in L2 */ + kvm_set_mp_state(vcpu, KVM_MP_STATE_RUNNABLE); + if (!kvm_pause_in_guest(vcpu->kvm)) { vmcb01->control.pause_filter_count = vmcb02->control.pause_filter_count; vmcb_mark_dirty(vmcb01, VMCB_INTERCEPTS); @@ -1239,9 +1261,7 @@ int nested_svm_vmexit(struct vcpu_svm *svm) if (!nested_exit_on_intr(svm)) kvm_make_request(KVM_REQ_EVENT, &svm->vcpu); - if (nested_vmcb12_has_lbrv(vcpu)) { - svm_copy_lbrs(&vmcb12->save, &vmcb02->save); - } else { + if (!nested_vmcb12_has_lbrv(vcpu)) { svm_copy_lbrs(&vmcb01->save, &vmcb02->save); vmcb_mark_dirty(vmcb01, VMCB_LBR); } @@ -1297,15 +1317,6 @@ int nested_svm_vmexit(struct vcpu_svm *svm) svm->vcpu.arch.dr7 = DR7_FIXED_1; kvm_update_dr7(&svm->vcpu); - trace_kvm_nested_vmexit_inject(vmcb12->control.exit_code, - vmcb12->control.exit_info_1, - vmcb12->control.exit_info_2, - vmcb12->control.exit_int_info, - vmcb12->control.exit_int_info_err, - KVM_ISA_SVM); - - kvm_vcpu_unmap(vcpu, &map); - nested_svm_transition_tlb_flush(vcpu); nested_svm_uninit_mmu_context(vcpu); -- 2.53.0.473.g4a7958ca14-goog