linux-kernel - Re: [PATCH 6/7] osnoise: handle quiescent states for PREEMPT

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Message-ID: <874j5ev3um.fsf@oracle.com>
Date: Mon, 14 Oct 2024 13:14:57 -0700
From: Ankur Arora <ankur.a.arora@...cle.com>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: Ankur Arora <ankur.a.arora@...cle.com>, linux-kernel@...r.kernel.org,
        peterz@...radead.org, tglx@...utronix.de, paulmck@...nel.org,
        mingo@...nel.org, juri.lelli@...hat.com, vincent.guittot@...aro.org,
        dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
        mgorman@...e.de, vschneid@...hat.com, frederic@...nel.org,
        efault@....de
Subject: Re: [PATCH 6/7] osnoise: handle quiescent states for PREEMPT_RCU=n,
 PREEMPTION=y


Sebastian Andrzej Siewior <bigeasy@...utronix.de> writes:

> On 2024-10-10 10:50:29 [-0700], Ankur Arora wrote:
>> > PREEMPTION=y, PREEMPT_RCU=n should not be possible.
>>
>> That's a statement. Is there an argument here?
>
> For my taste you should describe in your cover letter the actual problem
> and what you intend to do about it.

Yes, that's a good point. It has been discussed a few times before but
I clearly didn't make a case for it here.

Thanks
Ankur