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KVM: x86: Move kvm_trace_exit into atomic vmexit section 

This avoids that events causing the vmexit are recorded before the
actual exit reason.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
hifive-unleashed-5.1
Jan Kiszka 2011-09-12 10:52:24 +02:00 committed by Avi Kivity
parent caa8a168e3
commit 1e2b1dd797
2 changed files with 3 additions and 4 deletions
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4
arch/x86/kvm/svm.c
View File

@ -3335,8 +3335,6 @@ static int handle_exit(struct kvm_vcpu *vcpu)
struct kvm_run *kvm_run = vcpu->run;
u32 exit_code = svm->vmcb->control.exit_code;
trace_kvm_exit(exit_code, vcpu, KVM_ISA_SVM);
if (!is_cr_intercept(svm, INTERCEPT_CR0_WRITE))
vcpu->arch.cr0 = svm->vmcb->save.cr0;
if (npt_enabled)
@ -3790,6 +3788,8 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
vcpu->arch.regs[VCPU_REGS_RSP] = svm->vmcb->save.rsp;
vcpu->arch.regs[VCPU_REGS_RIP] = svm->vmcb->save.rip;
trace_kvm_exit(svm->vmcb->control.exit_code, vcpu, KVM_ISA_SVM);
if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI))
kvm_before_handle_nmi(&svm->vcpu);

3
arch/x86/kvm/vmx.c
View File

@ -5739,8 +5739,6 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
u32 exit_reason = vmx->exit_reason;
u32 vectoring_info = vmx->idt_vectoring_info;
trace_kvm_exit(exit_reason, vcpu, KVM_ISA_VMX);
/* If guest state is invalid, start emulating */
if (vmx->emulation_required && emulate_invalid_guest_state)
return handle_invalid_guest_state(vcpu);
@ -6144,6 +6142,7 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
vmx->loaded_vmcs->launched = 1;
vmx->exit_reason = vmcs_read32(VM_EXIT_REASON);
trace_kvm_exit(vmx->exit_reason, vcpu, KVM_ISA_VMX);
vmx_complete_atomic_exit(vmx);
vmx_recover_nmi_blocking(vmx);