On Thu, Sep 22, 2016 at 6:41 AM, Hannes Frederic Sowa
> On 22.09.2016 15:03, Eric Dumazet wrote:
>> On Thu, 2016-09-22 at 13:03 +0200, Hannes Frederic Sowa wrote:
>>> Signed-off-by: Hannes Frederic Sowa <han...@stressinduktion.org>
>>> net/core/net_namespace.c | 2 ++
>>> 1 file changed, 2 insertions(+)
>>> diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
>>> index 2c2eb1b629b11d..a2ace299f28355 100644
>>> --- a/net/core/net_namespace.c
>>> +++ b/net/core/net_namespace.c
>>> @@ -758,9 +758,11 @@ static int __init net_ns_init(void)
>>> + rtnl_lock();
>>> rtnl_register(PF_UNSPEC, RTM_NEWNSID, rtnl_net_newid, NULL, NULL);
>>> rtnl_register(PF_UNSPEC, RTM_GETNSID, rtnl_net_getid, rtnl_net_dumpid,
>>> + rtnl_unlock();
>>> return 0;
>> Hi Hannes
>> Why is this needed here, and not in other places ?
> I found this during working on the file and actually saw no live issues
> (belonged to another series which I just split up).
> I don't think it is a big issue but wanted the writes to the
> rtnl_msg_handlers array to be strictly serialized. I was working on
> adding this to other places, too. Maybe better for net-next even?
But they are called during boot, why is it possible to have a parallel
reader/writer at that time?