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Date: Mon, 16 Nov 2015 10:09:45 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Luiz Capitulino <lcapitulino@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Vikas Shivappa <vikas.shivappa@intel.com>, Tejun Heo <tj@kernel.org>,
        Yu Fenghua <fenghua.yu@intel.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFC] ioctl based CAT interface
Message-ID: <20151116090945.GN17308@twins.programming.kicks-ass.net>
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On Fri, Nov 13, 2015 at 04:01:18PM -0200, Marcelo Tosatti wrote:

> OK, probably not cgroups interface (which can't be done unless 
> someone solves the issue of one task on multiple cgroups, or 
> explains why it is not an issue).

A task can be part of every controller once, but there is no reason it
needs to be the 'same' cgroup for each controller.

That's how cgroups work, always have.

Why would that be a problem? Just don't co-mount them.