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

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Message-ID: <a4337199-5a69-1604-836b-f69436865b11@gmail.com>
Date:   Fri, 18 Oct 2019 18:31:57 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
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

18.10.2019 12:29, Viresh Kumar пишет:
> 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.

Thanks!