linux-kernel - Re: [PATCH 0/4] Allow cpuidle governors to be compiled as modules

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Message-ID: <ac35bafa-a57f-e9ea-4dee-9af547de34e2@quicinc.com>
Date:   Thu, 25 Nov 2021 18:48:16 +0530
From:   Maulik Shah <quic_mkshah@...cinc.com>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
CC:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>, <quic_lsrao@...cinc.com>,
        "Nayak, Rajendra" <rnayak@...eaurora.org>
Subject: Re: [PATCH 0/4] Allow cpuidle governors to be compiled as modules

Hi Rafael,

On 11/25/2021 5:57 PM, Rafael J. Wysocki wrote:
> On Thu, Nov 25, 2021 at 9:55 AM Maulik Shah <quic_mkshah@...cinc.com> wrote:
>> This series makes changes to allow cpuidle governors menu, ladder and teo
>> to compiled as modules when building with allmodconfig.
> What's the purpose of this?

There are two purposes of this series.

1. The series enables cpuidle governors to be allowed to compiled as 
modules.
     This is something similar to what cpufreq/devfreq governors do 
today as they can be be compiled as modules or built-in depending on the 
build config.

2. The series will also enable custom cpuidle governor to be able to 
register with cpuidle framework by using cpuidle_register_governor() API.
     This will be already achieved by (1) since it will export the 
required APIs for menu/ladder/teo governors to be compiled as module.

Thanks,
Maulik