linux-kernel - Re: [PATCH 06/23] sched,psci: Convert to sched_set

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Message-ID: <20200422140653.GG24150@bogus>
Date:   Wed, 22 Apr 2020 15:06:53 +0100
From:   Sudeep Holla <sudeep.holla@....com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org, tglx@...utronix.de,
        rostedt@...dmis.org, qais.yousef@....com, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        bsegall@...gle.com, mgorman@...e.de, daniel.lezcano@...aro.org
Subject: Re: [PATCH 06/23] sched,psci: Convert to sched_set_fifo*()

On Wed, Apr 22, 2020 at 01:27:25PM +0200, Peter Zijlstra wrote:
> Because SCHED_FIFO is a broken scheduler model (see previous patches)
> take away the priority field, the kernel can't possibly make an
> informed decision.
> 
> Effectively changes prio from 99 to 50.
> 
> XXX this thing is horrific, it basically open-codes a stop-machine and
> idle.
> 
> Cc: daniel.lezcano@...aro.org
> Cc: sudeep.holla@....com

Tested the PSCI checker pulling the entire series. Continues to work :)

Tested-by: Sudeep Holla <sudeep.holla@....com>

-- 
Regards,
Sudeep