linux-kernel - Re: [tip:sched/core] sched/rt: Simplify the IPI based RT balancing logic

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Date:   Sat, 20 Jan 2018 00:27:56 +0530
From:   Pavan Kondeti <pkondeti@...eaurora.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     williams@...hat.com, Ingo Molnar <mingo@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>, bristot@...hat.com,
        jkacur@...hat.com, efault@....de, hpa@...or.com,
        torvalds@...ux-foundation.org, swood@...hat.com,
        linux-tip-commits@...r.kernel.org
Subject: Re: [tip:sched/core] sched/rt: Simplify the IPI based RT balancing
 logic

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@...dmis.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.

Thanks,
Pavan

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