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Date: Mon, 27 Nov 2017 13:33:49 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Greg KH <greg@kroah.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
        stable kernel team <stable@vger.kernel.org>,
        Mike Galbraith <efault@gmx.de>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Thomas Gleixner <tglx@linutronix.de>,
        Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [-stable PATCH] sched/rt: Simplify the IPI based RT balancing
 logic
Message-ID: <20171127123349.6ixtaurxtq64a5to@gmail.com>
References: <20171113151206.5av5eskbi5go2kwu@gmail.com>
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 <20171113182452.sg7uu4d4rvlt3qyc@gmail.com>
 <20171127120858.GA28339@kroah.com>
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* Greg KH <greg@kroah.com> wrote:

> On Mon, Nov 13, 2017 at 07:24:52PM +0100, Ingo Molnar wrote:
> > 
> > * Steven Rostedt <rostedt@goodmis.org> wrote:
> > 
> > > On Mon, 13 Nov 2017 16:12:06 +0100
> > > Ingo Molnar <mingo@kernel.org> wrote:
> > > 
> > > > hi Greg,
> > > > 
> > > > Please include the commit below in -stable, once it gets upstream.
> > > > 
> > > > Maybe also add:
> > > > 
> > > >   Fixes: b6366f048e0c: ("sched/rt: Use IPI to trigger RT task push migration instead of pulling")
> > > > 
> > > > because it fixes a pretty old bug.
> > > > 
> > > 
> > > Greg,
> > > 
> > > This patch will probably need some major work to apply to some of the
> > > stable trees. I'll wait for your "FAILED" messages and fix them up.
> > 
> > I (only) checked v4.14 and there it cherry-picked cleanly.
> 
> It did?  Doesn't work for me :(
> 
> I've send the FAILED emails out now...

So I think the commit ID above is the fixes tag - the commit to apply is the one 
we replied to:

  0294f6162109 ("sched/rt: Simplify the IPI based RT balancing logic")

which cherry-picks cleanly to v4.14.

Thanks,

	Ingo