Commit 8b89fe1f authored by Paolo Bonzini's avatar Paolo Bonzini

kvm: x86: move tracepoints outside extended quiescent state

Invoking tracepoints within kvm_guest_enter/kvm_guest_exit causes a
lockdep splat.
Reported-by: default avatarBorislav Petkov <bp@alien8.de>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 6764e5eb
......@@ -3422,6 +3422,8 @@ 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)
......@@ -3892,8 +3894,6 @@ 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);
......
......@@ -8042,6 +8042,8 @@ 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);
/*
* Flush logged GPAs PML buffer, this will make dirty_bitmap more
* updated. Another good is, in kvm_vm_ioctl_get_dirty_log, before
......@@ -8668,7 +8670,6 @@ 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);
/*
* the KVM_REQ_EVENT optimization bit is only on for one entry, and if
......
......@@ -6515,6 +6515,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
if (req_immediate_exit)
smp_send_reschedule(vcpu->cpu);
trace_kvm_entry(vcpu->vcpu_id);
wait_lapic_expire(vcpu);
__kvm_guest_enter();
if (unlikely(vcpu->arch.switch_db_regs)) {
......@@ -6527,8 +6529,6 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD;
}
trace_kvm_entry(vcpu->vcpu_id);
wait_lapic_expire(vcpu);
kvm_x86_ops->run(vcpu);
/*
......
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