C++ (Cpp) jump_label_invalidate_module_init示例

示例#1

static int
jump_label_module_notify(struct notifier_block *self, unsigned long val,
			 void *data)
{
	struct module *mod = data;
	int ret = 0;

	switch (val) {
	case MODULE_STATE_COMING:
		jump_label_lock();
		ret = jump_label_add_module(mod);
		if (ret)
			jump_label_del_module(mod);
		jump_label_unlock();
		break;
	case MODULE_STATE_GOING:
		jump_label_lock();
		jump_label_del_module(mod);
		jump_label_unlock();
		break;
	case MODULE_STATE_LIVE:
		jump_label_lock();
		jump_label_invalidate_module_init(mod);
		jump_label_unlock();
		break;
	}

	return notifier_from_errno(ret);
}

示例#2

文件： jump_label.c 项目： SantoshShilimkar/linux

static int
jump_label_module_notify(struct notifier_block *self, unsigned long val,
			 void *data)
{
	struct module *mod = data;
	int ret = 0;

	cpus_read_lock();
	jump_label_lock();

	switch (val) {
	case MODULE_STATE_COMING:
		ret = jump_label_add_module(mod);
		if (ret) {
			WARN(1, "Failed to allocatote memory: jump_label may not work properly.\n");
			jump_label_del_module(mod);
		}
		break;
	case MODULE_STATE_GOING:
		jump_label_del_module(mod);
		break;
	case MODULE_STATE_LIVE:
		jump_label_invalidate_module_init(mod);
		break;
	}

	jump_label_unlock();
	cpus_read_unlock();

	return notifier_from_errno(ret);
}