linux-kernel - Re: [PATCH V3] scsi: ufs: ufs-qcom: Change UFS devfreq timer to delayed

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] [day] [month] [year] [list]

Message-ID: <yq1jzuq4bed.fsf@ca-mkp.ca.oracle.com>
Date:   Sun, 23 Jul 2023 16:32:25 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Nitin Rawat <quic_nitirawa@...cinc.com>
Cc:     mani@...nel.org, quic_cang@...cinc.com, stanley.chu@...iatek.com,
        bvanassche@....org, quic_asutoshd@...cinc.com, avri.altman@....com,
        martin.petersen@...cle.com, beanhuo@...ron.com,
        konrad.dybcio@...aro.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, agross@...nel.org,
        andersson@...nel.org, jejb@...ux.ibm.com,
        linux-arm-msm@...r.kernel.org, quic_ziqichen@...cinc.com
Subject: Re: [PATCH V3] scsi: ufs: ufs-qcom: Change UFS devfreq timer to
 delayed


Nitin,

> Devfreq uses the default DEVFREQ_TIMER_DEFERRABLE mode which uses the
> deferred timer for scheduling the devfreq load monitor function. This
> causes the load monitoring to be done only with non-idle CPUs and not
> making use of the idle CPUs.
>
> Hence, use the DEVFREQ_TIMER_DELAYED mode which uses the delayed timer
> thereby making use of idle CPUs as well for load monitoring.

Applied to 6.6/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering