Messages in this thread | | | From | Linus Torvalds <> | Date | Tue, 26 Nov 2019 15:25:16 -0800 | Subject | Re: [GIT PULL] scheduler changes for v5.5 |
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On Mon, Nov 25, 2019 at 4:59 AM Ingo Molnar <mingo@kernel.org> wrote: > > As such it's not really an iterative series, but replaces the old > load-balancing logic with the new one. We hope there are no performance > regressions left - but statistically it's highly probable that there *is* > going to be some workload that is hurting from these chnages. If so then > we'd prefer to have a look at that workload and fix its scheduling, > instead of reverting the changes.
We may not have that opportunity. A lot of loads are various private loads and you'll just get "this regressed by a huge amount".
So please do keep in mind that reverting this may be the only reasonable model if it turns out to have bad effects.
Linus
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