linux-kernel - Re: [PATCH v7 4/4] cpufreq: qcom-hw: Fix the frequency returned by cpufreq

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]

Message-ID: <20221121050434.5qyp46vkc5aj6nxe@vireshk-i7>
Date:   Mon, 21 Nov 2022 10:34:34 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     andersson@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        rafael@...nel.org, robh+dt@...nel.org, johan@...nel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        stable@...r.kernel.org, Sudeep Holla <sudeep.holla@....com>
Subject: Re: [PATCH v7 4/4] cpufreq: qcom-hw: Fix the frequency returned by
 cpufreq_driver->get()

On 17-11-22, 11:01, Manivannan Sadhasivam wrote:
> The cpufreq_driver->get() callback is supposed to return the current
> frequency of the CPU and not the one requested by the CPUFreq core.
> Fix it by returning the frequency that gets supplied to the CPU after
> the DCVS operation of EPSS/OSM.
> 
> Cc: stable@...r.kernel.org # v5.15
> Fixes: 2849dd8bc72b ("cpufreq: qcom-hw: Add support for QCOM cpufreq HW driver")
> Reported-by: Sudeep Holla <sudeep.holla@....com>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>  drivers/cpufreq/qcom-cpufreq-hw.c | 42 +++++++++++++++++++++----------
>  1 file changed, 29 insertions(+), 13 deletions(-)

A fix should always be the first patch in the series as it needs to be
backported.

I can reorder this if it won't break anything for this time.

-- 
viresh