static inline int restore_xstate_sig(void __user *buf, int ia32_frame)
{
	void __user *buf_fx = buf;
	int size = xstate_sigframe_size();

	if (ia32_frame && use_fxsr()) {
		buf_fx = buf + sizeof(struct i387_fsave_struct);
		size += sizeof(struct i387_fsave_struct);
	}

	return __restore_xstate_sig(buf, buf_fx, size);
}
Unknown