From: Ding Tianhong <dingtianhong@huawei.com>
To: David Miller <davem@davemloft.net>
Cc: <ben@decadent.org.uk>, <john.r.fastabend@intel.com>,
<kaber@trash.net>, <netdev@vger.kernel.org>,
<f.fainelli@gmail.com>
Subject: Re: [PATCH net v2] vlan: Fix lockdep warning when vlan dev handle notification
Date: Fri, 28 Mar 2014 09:13:27 +0800 [thread overview]
Message-ID: <5334CCB7.9040703@huawei.com> (raw)
In-Reply-To: <20140327.130604.103963458048959251.davem@davemloft.net>
On 2014/3/28 1:06, David Miller wrote:
> From: Ding Tianhong <dingtianhong@huawei.com>
> Date: Mon, 17 Mar 2014 11:08:37 +0800
>
>> On 2014/3/15 10:02, David Miller wrote:
>>> From: Ding Tianhong <dingtianhong@huawei.com>
>>> Date: Thu, 13 Mar 2014 10:22:18 +0800
>>>
>>>> When I open the LOCKDEP config and run these steps:
>>>
>>> This doesn't work?
>>>
>>
>> It make no sense, I have try it before, the class check only focus on the lock_class_key,
>> not the lockdep_subclass_key.
>
> I think the issue is that not all of the addrlist locking uses _nested() variants,
> I think if we do that, this will all work.
>
> I do not want to add a huge array of locking keys to fix this, it's a waste of
> static kernel memory and inelegant.
>
>
OK, ready for fix this again with new idea, thanks.
Ding
prev parent reply other threads:[~2014-03-28 1:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-13 2:22 [PATCH net v2] vlan: Fix lockdep warning when vlan dev handle notification Ding Tianhong
2014-03-13 19:52 ` David Miller
2014-03-14 1:43 ` Ding Tianhong
2014-03-15 2:02 ` David Miller
2014-03-17 3:08 ` Ding Tianhong
2014-03-27 17:06 ` David Miller
2014-03-28 1:13 ` Ding Tianhong [this message]
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