From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH v3 7/8] cgroup: Assign subsystem IDs during compile time
Date: Tue, 11 Sep 2012 14:08:21 -0700
Message-ID: <20120911210821.GB7677@google.com>
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To: Daniel Wagner <wagi-kQCPcA+X3s7YtjvyW6yDsg@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>

On Tue, Sep 11, 2012 at 02:01:09PM -0700, Tejun Heo wrote:
> For example, it's not evident the above is correct and it's burried
> with all other changes.  Can't we just assign the fixed subsys ID to
> net_prio_subsys_id in this patch?  This patch would be correct without
> any netprio changes, no?

Oops, that was wrong.  net_prio_subsys_id itself becomes constant.
Let's please better explain why the RCU trick removal is safe then.

Thanks.

-- 
tejun