Re: [patch v3.18+ regression fix] sched: Further improve spurious CPU_IDLE active migrations

From: Mike Galbraith
Date: Thu Sep 01 2016 - 02:37:16 EST


On Thu, 2016-09-01 at 06:11 +0200, Mike Galbraith wrote:

> I don't see a great alternative to turning it off off the top of my
> head, at least for processors with multiple LLCs.

Here of course I mean other than saying it's just not worth worrying
about such old processors, iff it's only old dogs that are affected.

Ignore it, they're dinosaurs is a valid option. I really doubt there
are oodles of such boxen in active use out in the real world.. if there
were, surely there would be gripes, which afaik has not happened.

-Mike