From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Wagner <wagi-kQCPcA+X3s7YtjvyW6yDsg@public.gmane.org>
Subject: Re: [PATCH v3 7/8] cgroup: Assign subsystem IDs during compile time
Date: Tue, 11 Sep 2012 23:15:59 +0200
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To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Daniel Wagner <daniel.wagner-98C5kh4wR6ohFhg+JK9F0w@public.gmane.org>, "David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>, Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>, Eric Dumazet <edumazet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>, Gao feng <gaofeng-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>, Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>, Jamal Hadi Salim <jhs-jkUAjuhPggJWk0Htik3J/w@public.gmane.org>, John Fastabend <john.r.fastabend-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Kamezawa Hiroyuki <kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>, Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>, Neil Horman <nhorman-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>

Hi Tejun,

On 09/11/2012 11:04 PM, Tejun Heo wrote:
> Hello, Daniel.
>
> One more thing.
>
> On Tue, Sep 11, 2012 at 06:26:13PM +0200, Daniel Wagner wrote:
>> From: Daniel Wagner <daniel.wagner-98C5kh4wR6ohFhg+JK9F0w@public.gmane.org>
>>
>> WARNING: With this change it is not possible to load external built
>> controllers anymore.
>>
>> In case where CONFIG_NETPRIO_CGROUP=m and CONFIG_NET_CLS_CGROUP=m is
>> set, the type of the corresponding subsys_id should also be of type
>> enum. Up to now, net_prio_subsys_id and net_cls_subsys_id would be an
>> int in this configuration.
>>
>> With switching the macro definition IS_SUBSYS_ENABLED from IS_BUILTIN
>> to IS_ENABLED, the subsys_id will always be enum for all
>> subsystems. That means we need to remove all the code which assumes
>> that net_prio_subsys_id and net_cls_subsys_id is of type int.
>
> I don't think int or enum is the matter here.  enum is an int.  It's
> whether the ID is allocated statically or dynamically.  Can you please
> update the description using those terms instead?

Sure, no problem.

cheers,
daniel