From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752860Ab2GIKIp (ORCPT ); Mon, 9 Jul 2012 06:08:45 -0400 Received: from szxga01-in.huawei.com ([119.145.14.64]:48863 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752348Ab2GIKIn (ORCPT ); Mon, 9 Jul 2012 06:08:43 -0400 Message-ID: <4FFAACF8.8040801@huawei.com> Date: Mon, 9 Jul 2012 18:05:44 +0800 From: Jiang Liu User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:9.0) Gecko/20111222 Thunderbird/9.0.1 MIME-Version: 1.0 To: Bjorn Helgaas , Yinghai Lu CC: Don Dutile , "Rafael J. Wysocki" , Kenji Kaneshige , Taku Izumi , Yijing Wang , Keping Chen , , , Jiang Liu Subject: Re: [Resend with Ack][PATCH v1] PCI: allow acpiphp to handle PCIe ports without native PCIe hotplug capability References: <1338795894-6292-1-git-send-email-jiang.liu@huawei.com> <4FF34CEF.3090400@redhat.com> In-Reply-To: Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.108.108.229] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Bjorn and Yinghai, What's the policy to export a symbol by EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL()? I know the legal difference, but don't know when I should mark a symbol as GPL. Thanks!