Re: [PATCH v8 3/3] cgroups: make procs file writable
From: Paul Menage
Date: Fri Mar 18 2011 - 12:55:11 EST
On Tue, Mar 15, 2011 at 2:13 PM, Ben Blum <bblum@xxxxxxxxxxxxxx> wrote:
> Hmm, you may be right; my understanding of RCU is not complete. But
> actually I think the BUG_ON should just be removed, since we're about to
> drop locks before handing off to cgroup_attach_proc anyway (so at no
> important part is the assertion guaranteed), which will detect and
> EAGAIN if such a race happened.
> Hmm, well, should I make this assumption, then? The code would not be
> more complicated either way, really. I kind of prefer it as it is...
OK, I guess either way is OK until we can prove otherwise :-)
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