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

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Date: Thu, 22 Feb 2024 22:23:19 +0100
From: Thomas Gleixner <tglx@...utronix.de>
To: Raghavendra K T <raghavendra.kt@....com>, 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,
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 mattst88@...il.com, krypton@...ich-teichert.org, rostedt@...dmis.org,
 David.Laight@...LAB.COM, richard@....at, mjguzik@...il.com,
 jon.grimm@....com, bharata@....com, boris.ostrovsky@...cle.com,
 konrad.wilk@...cle.com
Subject: Re: [PATCH 00/30] PREEMPT_AUTO: support lazy rescheduling

On Wed, Feb 21 2024 at 22:57, Raghavendra K T wrote:
> On 2/21/2024 10:45 PM, Thomas Gleixner wrote:
>> On Wed, Feb 21 2024 at 17:53, Raghavendra K T wrote:
>>> Configuration tested.
>>> a) Base kernel (6.7),
>> 
>> Which scheduling model is the baseline using?
>> 
>
> baseline is also PREEMPT_DYNAMIC with voluntary preemption
>
>>> b) patched with PREEMPT_AUTO voluntary preemption.
>>> c) patched with PREEMPT_DYNAMIC voluntary preemption.

Which RCU variant do you have enabled with a, b, c ?

I.e. PREEMPT_RCU=?

Thanks,

        tglx