linux-kernel - Re: [RFT][PATCH 2/3] cpufreq: Use per-policy frequency QoS

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Message-ID: <20191018092933.2i7dpr35wkxemgby@vireshk-i7>
Date:   Fri, 18 Oct 2019 14:59:33 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Sudeep Holla <sudeep.holla@....com>
Subject: Re: [RFT][PATCH 2/3] cpufreq: Use per-policy frequency QoS

On 18-10-19, 00:29, Dmitry Osipenko wrote:
> Viresh, the warning is actually triggered by this line:
> 
> https://elixir.bootlin.com/linux/v5.4-rc2/source/drivers/opp/of.c#L664
> 
> So it looks like the cpufreq-dt driver removal drops
> opp_table->list_kref more times than it should be. I may try to take a
> closer look at it later on, please let me know if you have any suggestions.

I was able to reproduce it and have sent a fix and cc'd you on it.
Please give it a try.

-- 
viresh