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From: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org, vatsa@linux.vnet.ibm.com,
        bharata@linux.vnet.ibm.com
Subject: Re: [RFC PATCH 2/4] sched: Adding gang scheduling infrastrucure
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References: <20111219083141.32311.9429.stgit@abhimanyu.in.ibm.com> <20111219083424.32311.23559.stgit@abhimanyu.in.ibm.com> <1324309904.24621.15.camel@twins> <1324313499.24621.18.camel@twins>
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Date: Tue, 20 Dec 2011 07:13:52 +0530
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On Mon, 19 Dec 2011 17:51:39 +0100, Peter Zijlstra <peterz@infradead.org> wrote:
> On Mon, 2011-12-19 at 16:51 +0100, Peter Zijlstra wrote:
> > > +                     smp_call_function_many(rq->gang_cpumask,
> > > +                                     gang_sched_member, tg, 0);
> > 
> > See this is just not going to happen. 
> 
> Furthermore its racy against task_group destruction.
> 
Yes, i definitely need to check that part.

Thanks
Nikunj