Re: [-stable PATCH] sched/rt: Simplify the IPI based RT balancing logic

[Ingo Molnar <mingo@kernel.org>]

* Greg KH <greg@kroah.com> wrote:

> On Mon, Nov 27, 2017 at 01:33:49PM +0100, Ingo Molnar wrote:
> > 
> > * 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.
> 
> Ah, ok, but that isn't in Linus's tree yet, right?
> 
> confused,

Sorry, wrong commit ID - the correct one is:

  4bdced5c9a29: sched/rt: Simplify the IPI based RT balancing logic

... which should already be upstream.

Thanks,

	Ingo