linux-kernel - Re: [PATCH 0/2] cpufreq: Introduce a more generic way to boost when cpu is going online

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Message-ID: <CAJZ5v0gPMGg2ZvjOmvmfj9W6L9wKT2+ToFgDpi-1pcg_zc+Z2g@mail.gmail.com>
Date: Wed, 15 Jan 2025 13:53:03 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Lifeng Zheng <zhenglifeng1@...wei.com>
Cc: rafael@...nel.org, viresh.kumar@...aro.org, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linuxarm@...wei.com, 
	jonathan.cameron@...wei.com, zhanjie9@...ilicon.com, lihuisong@...wei.com, 
	fanghao11@...wei.com
Subject: Re: [PATCH 0/2] cpufreq: Introduce a more generic way to boost when
 cpu is going online

On Wed, Jan 15, 2025 at 11:01 AM Lifeng Zheng <zhenglifeng1@...wei.com> wrote:
>
> Since commit f37a4d6b4a2c ("cpufreq: Fix per-policy boost behavior on
> SoCs using cpufreq_boost_set_sw()") and commit 102fa9c4b439 ("cpufreq:
> Allow drivers to advertise boost enabled"), per-policy boost flag has
> already been set to mirror the cpufreq_driver boost during
> initialization. However, the current implementation doesn't work for all
> cpufreq drivers and may fail in certain situation. A more generic
> implementation is needed.

Can you please be more specific here?

What happens, why it happens and why do you think the way to go is to
reimplement this?