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From: Tejun Heo <>
To: Aleksa Sarai <>
Cc:,,,, "Frédéric Weisbecker" <>,,
Subject: Re: [PATCH v8 3/4] cgroups: allow a cgroup subsystem to reject a fork
Date: Tue, 7 Apr 2015 10:00:26 -0400	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, Apr 07, 2015 at 11:47:02PM +1000, Aleksa Sarai wrote:
> > [...] I don't
> > think it's a good idea to send the patches as-are because we can't
> > debug and fix them properly, right? [...]
> In what way are they hard to debug?

Some failures can happen before console init and figuring out what's
going on can be tricky.

> difference between having an array of CGROUP_SUBSYS_COUNT pointers or
> CGROUP_PREFORK_COUNT is the few bytes of memory you've "saved" (at the expense
> of making the callback code essentially unreadable).

Hmmm?  Just define a marker macro so that the index can be extracted
and loop over the indices and call the callbacks?  Why would this be
any more complex than anything else?


  reply	other threads:[~2015-04-07 14:00 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-01  8:57 [PATCH v8 0/4] cgroups: add pids subsystem Aleksa Sarai
2015-04-01  8:57 ` [PATCH v8 1/4] cgroups: use bitmask to filter for_each_subsys Aleksa Sarai
2015-04-01  8:57 ` [PATCH v8 2/4] cgroups: replace explicit ss_mask checking with for_each_subsys_which Aleksa Sarai
2015-04-01  8:57 ` [PATCH v8 3/4] cgroups: allow a cgroup subsystem to reject a fork Aleksa Sarai
2015-04-01 16:02   ` Tejun Heo
2015-04-02 23:42     ` Aleksa Sarai
2015-04-06 15:05       ` Tejun Heo
2015-04-07 13:47         ` Aleksa Sarai
2015-04-07 14:00           ` Tejun Heo [this message]
2015-04-01  8:57 ` [PATCH v8 4/4] cgroups: implement the PIDs subsystem Aleksa Sarai

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