From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
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>
Subject: Re: [PATCH v3 7/8] cgroup: Assign subsystem IDs during compile time
Date: Tue, 11 Sep 2012 14:36:46 -0700 [thread overview]
Message-ID: <20120911213646.GF7677@google.com> (raw)
In-Reply-To: <504FADC1.4060503-kQCPcA+X3s7YtjvyW6yDsg@public.gmane.org>
Hello, Daniel.
On Tue, Sep 11, 2012 at 11:31:45PM +0200, Daniel Wagner wrote:
> >Oops, that was wrong. net_prio_subsys_id itself becomes constant.
> >Let's please better explain why the RCU trick removal is safe then.
>
> In the last paragraph in the commit message I tried to document why
> it is safe to remove the RCU trick. Not good enough?
It isn't clear to me why it was necessary before and why it now
becomes unnecessary. It states what the code does and that it's no
longer necessary but I'd really like more elaboration.
Thanks.
--
tejun
next prev parent reply other threads:[~2012-09-11 21:36 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-11 16:26 [PATCH v3 0/8] cgroup: Assign subsystem IDs during compile time Daniel Wagner
2012-09-11 16:26 ` [PATCH v3 1/8] cgroup: net_cls: Move sock_update_classid() declaration to cls_cgroup.h Daniel Wagner
2012-09-11 16:26 ` [PATCH v3 2/8] cgroup: net_cls: Do not define task_cls_classid() when not selected Daniel Wagner
2012-09-11 16:26 ` [PATCH v3 3/8] cgroup: net_prio: Do not define task_netpioidx() " Daniel Wagner
[not found] ` <1347380774-9546-4-git-send-email-wagi-kQCPcA+X3s7YtjvyW6yDsg@public.gmane.org>
2012-09-11 20:37 ` Tejun Heo
2012-09-11 16:26 ` [PATCH v3 5/8] cgroup: Wrap subsystem selection macro Daniel Wagner
[not found] ` <1347380774-9546-1-git-send-email-wagi-kQCPcA+X3s7YtjvyW6yDsg@public.gmane.org>
2012-09-11 16:26 ` [PATCH v3 4/8] cgroup: Remove CGROUP_BUILTIN_SUBSYS_COUNT Daniel Wagner
[not found] ` <1347380774-9546-5-git-send-email-wagi-kQCPcA+X3s7YtjvyW6yDsg@public.gmane.org>
2012-09-11 20:41 ` Tejun Heo
2012-09-11 16:26 ` [PATCH v3 6/8] cgroup: Do not depend on a given order when populating the subsys array Daniel Wagner
2012-09-11 16:26 ` [PATCH v3 7/8] cgroup: Assign subsystem IDs during compile time Daniel Wagner
2012-09-11 21:01 ` Tejun Heo
[not found] ` <20120911210109.GZ7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 21:08 ` Tejun Heo
2012-09-11 21:31 ` Daniel Wagner
[not found] ` <504FADC1.4060503-kQCPcA+X3s7YtjvyW6yDsg@public.gmane.org>
2012-09-11 21:36 ` Tejun Heo [this message]
[not found] ` <20120911213646.GF7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 21:39 ` Daniel Wagner
2012-09-11 21:15 ` Daniel Wagner
2012-09-11 21:27 ` Tejun Heo
[not found] ` <1347380774-9546-8-git-send-email-wagi-kQCPcA+X3s7YtjvyW6yDsg@public.gmane.org>
2012-09-11 21:04 ` Tejun Heo
[not found] ` <20120911210435.GA7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 21:15 ` Daniel Wagner
2012-09-11 16:26 ` [PATCH v3 8/8] cgroup: Define CGROUP_SUBSYS_COUNT according the configuration Daniel Wagner
2012-09-11 21:11 ` [PATCH v3 0/8] cgroup: Assign subsystem IDs during compile time Tejun Heo
[not found] ` <20120911211151.GC7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 21:19 ` Daniel Wagner
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