linux-kernel - Re: [PATCH] cpufreq: exclude boost frequencies from valid count if not enabled

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 18 Feb 2021 10:03:20 -0500
From:   Thara Gopinath <thara.gopinath@...aro.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     rjw@...ysocki.net, bjorn.andersson@...aro.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH] cpufreq: exclude boost frequencies from valid count if
 not enabled



On 2/18/21 3:48 AM, Viresh Kumar wrote:
> On 17-02-21, 10:32, Thara Gopinath wrote:
>> First of all, I am still unable to find this setting in the sysfs space.
> 
> The driver needs to call cpufreq_enable_boost_support() for that.

Ok. that makes sense.

> 
>> Irrespective the ideal behavior here will be to change the cpufreq cooling
>> dev max state when this happens.
> 
> Hmm.. recreating it every time boost frequency is enabled is like
> inviting trouble and it will be tricky. Maybe it can be done, I don't
> know.:)

Scheduling a notifier for max frequency change from the qos framework 
should do the work, right?

> 

-- 
Warm Regards
Thara