From: Sean Christopherson Date: Tue, 7 May 2019 15:36:26 +0000 (-0700) Subject: KVM: nVMX: Lift sync_vmcs12() out of prepare_vmcs12() X-Git-Tag: v5.3-rc1~115^2~71 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f4f8316d2ad5f93ff0ec829a893db0728b9041bd;p=thirdparty%2Fkernel%2Flinux.git KVM: nVMX: Lift sync_vmcs12() out of prepare_vmcs12() ... to make it more obvious that sync_vmcs12() is invoked on all nested VM-Exits, e.g. hiding sync_vmcs12() in prepare_vmcs12() makes it appear that guest state is NOT propagated to vmcs12 for a normal VM-Exit. Signed-off-by: Sean Christopherson Signed-off-by: Paolo Bonzini --- diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 376fd9eabe426..bdaf49d9260fe 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -3500,11 +3500,7 @@ static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, u32 exit_reason, u32 exit_intr_info, unsigned long exit_qualification) { - /* update guest state fields: */ - sync_vmcs12(vcpu, vmcs12); - /* update exit information fields: */ - vmcs12->vm_exit_reason = exit_reason; vmcs12->exit_qualification = exit_qualification; vmcs12->vm_exit_intr_info = exit_intr_info; @@ -3865,9 +3861,9 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason, vcpu->arch.tsc_offset -= vmcs12->tsc_offset; if (likely(!vmx->fail)) { - if (exit_reason == -1) - sync_vmcs12(vcpu, vmcs12); - else + sync_vmcs12(vcpu, vmcs12); + + if (exit_reason != -1) prepare_vmcs12(vcpu, vmcs12, exit_reason, exit_intr_info, exit_qualification);