From: Stephen Hemminger <stephen@networkplumber.org>
To: Ying Xue <ying.xue@windriver.com>
Cc: <davem@davemloft.net>, <vfalico@redhat.com>,
<john.r.fastabend@intel.com>, <antonio@meshcoding.com>,
<dmitry.tarnyagin@lockless.no>, <socketcan@hartkopp.net>,
<johannes@sipsolutions.net>, <netdev@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net-next 06/10] vxlan: use __dev_get_by_index instead of dev_get_by_index to find interface
Date: Tue, 14 Jan 2014 08:51:05 -0800 [thread overview]
Message-ID: <20140114085105.706779c1@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <1389685269-18600-7-git-send-email-ying.xue@windriver.com>
On Tue, 14 Jan 2014 15:41:05 +0800
Ying Xue <ying.xue@windriver.com> wrote:
> The following call chains indicate that vxlan_fdb_parse() is
> under rtnl_lock protection. So if we use __dev_get_by_index()
> instead of dev_get_by_index() to find interface handler in it,
> this would help us avoid to change interface reference counter.
>
> rtnetlink_rcv()
> rtnl_lock()
> netlink_rcv_skb()
> rtnl_fdb_add()
> vxlan_fdb_add()
> vxlan_fdb_parse()
> rtnl_unlock()
>
> rtnetlink_rcv()
> rtnl_lock()
> netlink_rcv_skb()
> rtnl_fdb_del()
> vxlan_fdb_del()
> vxlan_fdb_parse()
> rtnl_unlock()
>
> Cc: Stephen Hemminger <stephen@networkplumber.org>
> Signed-off-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
next prev parent reply other threads:[~2014-01-14 16:51 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-14 7:40 [PATCH net-next 00/10] use appropriate APIs to get interfaces Ying Xue
2014-01-14 7:41 ` [PATCH net-next 01/10] Drivers: Staging: cxt1e1: use __dev_get_name instead of dev_get_name to find interfaces Ying Xue
2014-01-14 7:41 ` [PATCH net-next 02/10] bonding: use __dev_get_by_name instead of dev_get_by_name to find interface Ying Xue
2014-01-14 11:55 ` Veaceslav Falico
2014-01-14 7:41 ` [PATCH net-next 03/10] eql: " Ying Xue
2014-01-14 7:41 ` [PATCH net-next 04/10] dcb: " Ying Xue
2014-01-14 7:41 ` [PATCH net-next 05/10] decnet: use __dev_get_by_index instead of dev_get_by_index " Ying Xue
2014-01-14 7:41 ` [PATCH net-next 06/10] vxlan: " Ying Xue
2014-01-14 16:51 ` Stephen Hemminger [this message]
2014-01-14 7:41 ` [PATCH net-next 07/10] batman-adv: " Ying Xue
2014-01-14 7:41 ` [PATCH net-next 08/10] caif: " Ying Xue
2014-01-14 7:41 ` [PATCH net-next 09/10] can: use " Ying Xue
2014-01-14 16:11 ` Oliver Hartkopp
2014-01-14 7:41 ` [PATCH net-next 10/10] net: nl80211: " Ying Xue
2014-01-14 12:11 ` Johannes Berg
2014-01-15 1:18 ` Ying Xue
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