Ejemplos de trace_kvm_async_pf_completed en C++ (Cpp)

Ejemplo n.º 1

Archivo: async_pf.c Proyecto: LuweiLight/linux-3.14.35-vbal

static void async_pf_execute(struct work_struct *work)
{
	struct kvm_async_pf *apf =
		container_of(work, struct kvm_async_pf, work);
	struct mm_struct *mm = apf->mm;
	struct kvm_vcpu *vcpu = apf->vcpu;
	unsigned long addr = apf->addr;
	gva_t gva = apf->gva;

	might_sleep();

	use_mm(mm);
	down_read(&mm->mmap_sem);
	get_user_pages(current, mm, addr, 1, 1, 0, NULL, NULL);
	up_read(&mm->mmap_sem);
	unuse_mm(mm);

	spin_lock(&vcpu->async_pf.lock);
	list_add_tail(&apf->link, &vcpu->async_pf.done);
	spin_unlock(&vcpu->async_pf.lock);

	/*
	 * apf may be freed by kvm_check_async_pf_completion() after
	 * this point
	 */

	trace_kvm_async_pf_completed(addr, gva);

	if (waitqueue_active(&vcpu->wq))
		wake_up_interruptible(&vcpu->wq);

	mmput(mm);
	kvm_put_kvm(vcpu->kvm);
}

Ejemplo n.º 2

Archivo: async_pf.c Proyecto: andy-shev/linux

static void async_pf_execute(struct work_struct *work)
{
	struct kvm_async_pf *apf =
		container_of(work, struct kvm_async_pf, work);
	struct mm_struct *mm = apf->mm;
	struct kvm_vcpu *vcpu = apf->vcpu;
	unsigned long addr = apf->addr;
	gva_t gva = apf->gva;

	might_sleep();

	get_user_pages_unlocked(NULL, mm, addr, 1, 1, 0, NULL);
	kvm_async_page_present_sync(vcpu, apf);

	spin_lock(&vcpu->async_pf.lock);
	list_add_tail(&apf->link, &vcpu->async_pf.done);
	spin_unlock(&vcpu->async_pf.lock);

	/*
	 * apf may be freed by kvm_check_async_pf_completion() after
	 * this point
	 */

	trace_kvm_async_pf_completed(addr, gva);

	/*
	 * This memory barrier pairs with prepare_to_wait's set_current_state()
	 */
	smp_mb();
	if (waitqueue_active(&vcpu->wq))
		wake_up_interruptible(&vcpu->wq);

	mmput(mm);
	kvm_put_kvm(vcpu->kvm);
}