linux-kernel - Re: [RFC PATCH v4 00/19] Core scheduling v4

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Message-ID: <db317e2c-15da-e975-bdf2-925491899650@linux.intel.com>
Date:   Wed, 13 Nov 2019 09:16:46 -0800
From:   Tim Chen <tim.c.chen@...ux.intel.com>
To:     Dario Faggioli <dfaggioli@...e.com>,
        Vineeth Remanan Pillai <vpillai@...italocean.com>,
        Phil Auld <pauld@...hat.com>
Cc:     Nishanth Aravamudan <naravamudan@...italocean.com>,
        Julien Desfossez <jdesfossez@...italocean.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Paul Turner <pjt@...gle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Frédéric Weisbecker <fweisbec@...il.com>,
        Kees Cook <keescook@...omium.org>,
        Greg Kerr <kerrnel@...gle.com>, Aaron Lu <aaron.lwe@...il.com>,
        Aubrey Li <aubrey.intel@...il.com>,
        Valentin Schneider <valentin.schneider@....com>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Pawan Gupta <pawan.kumar.gupta@...ux.intel.com>,
        Paolo Bonzini <pbonzini@...hat.com>
Subject: Re: [RFC PATCH v4 00/19] Core scheduling v4

On 11/11/19 5:45 PM, Dario Faggioli wrote:
> On Fri, 2019-11-01 at 10:03 -0400, Vineeth Remanan Pillai wrote:
>> Hi Phil,
>>
>>> Unless I'm mistaken 7 of the first 8 of these went into sched/core
>>> and are now in linux (from v5.4-rc1). It may make sense to rebase
>>> on
>>> that and simplify the series.
>>>
>> Thanks a lot for pointing this out. We shall test on a rebased 5.4 RC
>> and post the changes soon, if the tests goes well. For v3, while
>> rebasing
>> to an RC kernel, we saw perf regressions and hence did not check the
>> RC kernel this time. You are absolutely right that we can simplify
>> the
>> patch series with 5.4 RC.
>>
> And, in case it's useful to anybody, here's a rebase of this series on
> top of 5.4-rc7:
> 
> https://github.com/dfaggioli/linux/tree/wip/sched/v5.4-rc7-coresched

Thanks for the port.
> 
> This also includes Tim's patch (this one
> <5e3cea14-28d1-bf1e-cabe-fb5b48fdeadc@...ux.intel.com>) and is, for
> now, *only* compile tested.
> 

I tested my patch on top of your port and seems to work fine.

Tim