linux-kernel - Re: [Patch v2 1/2] cpufreq: tegra194: save CPU data to avoid repeated SMP calls

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Message-ID: <cff32150-36cc-0f33-7629-4362baadf582@nvidia.com>
Date:   Fri, 1 Sep 2023 18:58:44 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Sumit Gupta <sumitg@...dia.com>, rafael@...nel.org,
        viresh.kumar@...aro.org, linux-pm@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     treding@...dia.com, bbasu@...dia.com, amiettinen@...dia.com
Subject: Re: [Patch v2 1/2] cpufreq: tegra194: save CPU data to avoid repeated
 SMP calls



On 01/09/2023 17:41, Sumit Gupta wrote:
> Currently, we make SMP call on every frequency set request to get the
> physical 'CPU ID' and 'CLUSTER ID' for the target CPU. This change
> optimizes the repeated calls by storing the physical IDs and the per
> core frequency register offset for all CPUs during boot. Later this
> info is used directly when required to set the frequency or read it
> from ACTMON counters.
> 
> Signed-off-by: Sumit Gupta <sumitg@...dia.com>
> ---

You should list the changes you made in V2 under the above '---' so it 
is clear to the reviewers what has changed. I believe in this case you 
simply change the subject but please clarify.

Jon

-- 
nvpublic