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Date:   Fri, 19 Jan 2018 14:51:15 -0500
From:   Steven Rostedt <rostedt@goodmis.org>
To:     Pavan Kondeti <pkondeti@codeaurora.org>
Cc:     williams@redhat.com, Ingo Molnar <mingo@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
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        torvalds@linux-foundation.org, swood@redhat.com,
        linux-tip-commits@vger.kernel.org
Subject: Re: [tip:sched/core] sched/rt: Simplify the IPI based RT balancing
 logic
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On Sat, 20 Jan 2018 00:27:56 +0530
Pavan Kondeti <pkondeti@codeaurora.org> wrote:

> Hi Steve,
> 
> Thanks for the patch.
> 
> On Fri, Jan 19, 2018 at 01:12:54PM -0500, Steven Rostedt wrote:
> > On Fri, 19 Jan 2018 13:11:21 -0500
> > Steven Rostedt <rostedt@goodmis.org> wrote:
> >   
> > >  void rto_push_irq_work_func(struct irq_work *work)
> > >  {
> > > +	struct root_domain *rd =
> > > +		container_of(work, struct root_domain, rto_push_work);
> > >  	struct rq *rq;  
> > 
> > Notice that I also remove the dependency on rq from getting the rd.
> >   
> 
> Nice. This snippet it self solves the original problem, I reported.
> I will test your patch and let you know the results.
> 
>

I'll break the patch up into two then. One with this snippet, and the
other with the rd ref counting.

-- Steve