linux-kernel - Re: [PATCH 00/30] PREEMPT_AUTO: support lazy rescheduling

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Date: Mon, 19 Feb 2024 16:54:58 +0100
From: Thomas Gleixner <tglx@...utronix.de>
To: Ankur Arora <ankur.a.arora@...cle.com>, linux-kernel@...r.kernel.org
Cc: peterz@...radead.org, torvalds@...ux-foundation.org, paulmck@...nel.org,
 akpm@...ux-foundation.org, luto@...nel.org, bp@...en8.de,
 dave.hansen@...ux.intel.com, hpa@...or.com, mingo@...hat.com,
 juri.lelli@...hat.com, vincent.guittot@...aro.org, willy@...radead.org,
 mgorman@...e.de, jpoimboe@...nel.org, mark.rutland@....com,
 jgross@...e.com, andrew.cooper3@...rix.com, bristot@...nel.org,
 mathieu.desnoyers@...icios.com, geert@...ux-m68k.org,
 glaubitz@...sik.fu-berlin.de, anton.ivanov@...bridgegreys.com,
 mattst88@...il.com, krypton@...ich-teichert.org, rostedt@...dmis.org,
 David.Laight@...LAB.COM, richard@....at, mjguzik@...il.com,
 jon.grimm@....com, bharata@....com, raghavendra.kt@....com,
 boris.ostrovsky@...cle.com, konrad.wilk@...cle.com, Ankur Arora
 <ankur.a.arora@...cle.com>
Subject: Re: [PATCH 00/30] PREEMPT_AUTO: support lazy rescheduling

On Tue, Feb 13 2024 at 20:27, Thomas Gleixner wrote:
> On Mon, Feb 12 2024 at 21:55, Ankur Arora wrote:
>
>> Hi,
>>
>> This series adds a new scheduling model PREEMPT_AUTO, which like
>> PREEMPT_DYNAMIC allows dynamic switching between a none/voluntary/full
>> preemption model. However, unlike PREEMPT_DYNAMIC, it doesn't depend
>> on explicit preemption points for the voluntary models.
>>
>> The series is based on Thomas' original proposal which he outlined
>> in [1], [2] and in his PoC [3].
>>
>> An earlier RFC version is at [4].

Aside of the nitpicks from me and Mark this really looks promising!

Thanks for working through this.

       tglx