linux-kernel - Re: [PATCH v2] schedutil: Allow cpufreq requests to be made even when kthread kicked

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Message-ID: <20180523100615.gxd35efqn3h6b55u@vireshk-i7>
Date:   Wed, 23 May 2018 15:36:15 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Joel Fernandes <joel@...lfernandes.org>
Cc:     "Joel Fernandes (Google.)" <joelaf@...gle.com>,
        linux-kernel@...r.kernel.org,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Patrick Bellasi <patrick.bellasi@....com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Luca Abeni <luca.abeni@...tannapisa.it>,
        Todd Kjos <tkjos@...gle.com>, claudio@...dence.eu.com,
        kernel-team@...roid.com, linux-pm@...r.kernel.org
Subject: Re: [PATCH v2] schedutil: Allow cpufreq requests to be made even
 when kthread kicked

On 23-05-18, 02:42, Joel Fernandes wrote:
> Probably. But then Rafael is changing single policy to use the lock
> so then barrier wouldn't be needed at all. In that case, both mine
> and Rafael new patch can go into stable which handles your race (
> optimization == fix in this case :P )

Yeah, we discussed that offline.

Go get some sleep. There are no barriers in this world :)

-- 
viresh