On Sat, Oct 22, 2016 at 12:37 AM, Andrey Vagin wrote:
> Hi Cong,
>
> On Thu, Oct 20, 2016 at 10:25 PM, Andrey Vagin wrote:
>> On Thu, Oct 20, 2016 at 8:10 PM, Cong Wang wrote:
>>> On Thu, Oct 20, 2016 at 7:46 PM, Andrei Vagin wrote:
No one can see these events, because a network namespace
From: Andrei Vagin
Date: Thu, 20 Oct 2016 19:46:26 -0700
> @@ -1525,6 +1530,9 @@ void netdev_unregister_kobject(struct net_device *ndev)
> {
> struct device *dev = &(ndev->dev);
>
> + if (!list_empty(&dev_net(ndev)->exit_list))
> + dev->kobj.uevent_suppress = 1;
> +
Plea
Hi Cong,
On Thu, Oct 20, 2016 at 10:25 PM, Andrey Vagin wrote:
> On Thu, Oct 20, 2016 at 8:10 PM, Cong Wang wrote:
>> On Thu, Oct 20, 2016 at 7:46 PM, Andrei Vagin wrote:
>>> No one can see these events, because a network namespace can not be
>>> destroyed, if it has sockets.
>>>
>>
>> Are you
On Thu, Oct 20, 2016 at 8:10 PM, Cong Wang wrote:
> On Thu, Oct 20, 2016 at 7:46 PM, Andrei Vagin wrote:
>> No one can see these events, because a network namespace can not be
>> destroyed, if it has sockets.
>>
>
> Are you sure? kobject_uevent_env() seems sending uevents to all
> network namespa
On Thu, Oct 20, 2016 at 7:46 PM, Andrei Vagin wrote:
> No one can see these events, because a network namespace can not be
> destroyed, if it has sockets.
>
Are you sure? kobject_uevent_env() seems sending uevents to all
network namespaces.
No one can see these events, because a network namespace can not be
destroyed, if it has sockets.
My experiments shows that net namespaces are destroyed more 30% faster
with this optimization.
Here is a perf output for destroying network namespaces without this
patch.
- 94.76% 0.02% kwork
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