linux-kernel - Re: [RFC][PATCH v2 0/5] sched: User Managed Concurrency Groups

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Message-ID: <20220121080125.GC20638@worktop.programming.kicks-ass.net>
Date:   Fri, 21 Jan 2022 09:01:25 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Peter Oskolkov <posk@...gle.com>
Cc:     mingo@...hat.com, tglx@...utronix.de, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-api@...r.kernel.org, x86@...nel.org,
        pjt@...gle.com, avagin@...gle.com, jannh@...gle.com,
        tdelisle@...terloo.ca, mark.rutland@....com, posk@...k.io
Subject: Re: [RFC][PATCH v2 0/5] sched: User Managed Concurrency Groups

On Thu, Jan 20, 2022 at 09:28:11AM -0800, Peter Oskolkov wrote:
> On Thu, Jan 20, 2022 at 8:09 AM Peter Zijlstra <peterz@...radead.org> wrote:
> >
> > Latest version, many changes since last time, still under heavy discussion.
> 
> Thanks! I'll work on testing/integrating this patchset. I'll also
> assume that my changes that added blocked worker list
> (https://lore.kernel.org/lkml/20220113233940.3608440-5-posk@google.com/)

So the blocked list I don't mind, but I'm not sure about the use-case
you mentioned... it gets a mess vs PE, but I see why you'd want it, so i
need to think about it more.

> and server kicking
> (https://lore.kernel.org/lkml/20220113233940.3608440-6-posk@google.com/)
> are acceptable.

Still need to look at the server kicking thing...