[Devel] Re: [RFC] Transactional CGroup task attachment

[Peter Zijlstra]

On Fri, 2008-07-11 at 19:09 -0700, Paul Menage wrote:
> On Fri, Jul 11, 2008 at 7:03 PM, Matt Helsley <matthltc at us.ibm.com> wrote:
> >
> >        True, though I don't think it's as simple as just enabling lockdep. My
> > understanding is you won't be able to determine if locks could ever be
> > taken out of order unless all of the cgroup systems are enabled and they
> > are all in the same cgroup hierarchy.
> 
> I wonder how hard it would be to extend lockdep to give a "signature"
> of locking operations from point A to point B? Then you could just
> compare a new subsystem with all existing subsystems without actually
> running with it.

something like: http://lkml.org/lkml/2008/6/22/308 ?

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