On Mon, Nov 27, 2017 at 02:08:09PM +0100, Ingo Molnar wrote:
>
> * Greg KH <greg@xxxxxxxxx> wrote:
>
> > On Mon, Nov 27, 2017 at 01:33:49PM +0100, Ingo Molnar wrote:
> > >
> > > * Greg KH <greg@xxxxxxxxx> wrote:
> > >
> > > > On Mon, Nov 13, 2017 at 07:24:52PM +0100, Ingo Molnar wrote:
> > > > >
> > > > > * Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> > > > >
> > > > > > On Mon, 13 Nov 2017 16:12:06 +0100
> > > > > > Ingo Molnar <mingo@xxxxxxxxxx> 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.
ah, much better, yes, that worked for 4.14, but not older kernels.
thanks,
greg k-h