From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: [RFC PATCH V2 2/8] netback: add module unload function. Date: Tue, 17 Jan 2012 13:46:58 +0000 Message-ID: <1326808024-3744-3-git-send-email-wei.liu2@citrix.com> References: <1326808024-3744-1-git-send-email-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain Cc: konrad.wilk@oracle.com, david.vrabel@citrix.com, paul.durrant@citrix.com, Wei Liu To: ian.campbell@citrix.com, netdev@vger.kernel.org, xen-devel@lists.xensource.com Return-path: Received: from smtp.citrix.com ([66.165.176.89]:34152 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753731Ab2AQNsH (ORCPT ); Tue, 17 Jan 2012 08:48:07 -0500 In-Reply-To: <1326808024-3744-1-git-send-email-wei.liu2@citrix.com> Sender: netdev-owner@vger.kernel.org List-ID: Enables users to unload netback module. Signed-off-by: Wei Liu --- drivers/net/xen-netback/common.h | 1 + drivers/net/xen-netback/netback.c | 14 ++++++++++++++ drivers/net/xen-netback/xenbus.c | 5 +++++ 3 files changed, 20 insertions(+), 0 deletions(-) diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 288b2f3..372c7f5 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -126,6 +126,7 @@ void xenvif_get(struct xenvif *vif); void xenvif_put(struct xenvif *vif); int xenvif_xenbus_init(void); +void xenvif_xenbus_exit(void); int xenvif_schedulable(struct xenvif *vif); diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index d11205f..3059684 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -1670,5 +1670,19 @@ failed_init: module_init(netback_init); +static void __exit netback_exit(void) +{ + int i; + xenvif_xenbus_exit(); + for (i = 0; i < xen_netbk_group_nr; i++) { + struct xen_netbk *netbk = &xen_netbk[i]; + del_timer_sync(&netbk->net_timer); + kthread_stop(netbk->task); + } + vfree(xen_netbk); + page_pool_destroy(); +} +module_exit(netback_exit); + MODULE_LICENSE("Dual BSD/GPL"); MODULE_ALIAS("xen-backend:vif"); diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 410018c..65d14f2 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -485,3 +485,8 @@ int xenvif_xenbus_init(void) { return xenbus_register_backend(&netback_driver); } + +void xenvif_xenbus_exit(void) +{ + return xenbus_unregister_driver(&netback_driver); +} -- 1.7.2.5