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: <dd7d0ebd-7bd8-9f2e-e212-5b597ec729d5@gmail.com>
Date:   Wed, 16 Feb 2022 00:49:50 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>, linux-pm@...r.kernel.org
Cc:     Kevin Hilman <khilman@...nel.org>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Dong Aisheng <aisheng.dong@....com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] PM: domains: Prevent power off for parent unless child
 is in deepest state

04.02.2022 13:16, Ulf Hansson пишет:
> A PM domain managed by genpd may support multiple idlestates. During
> genpd_power_off() a genpd governor may be asked to select one of the
> idlestates based upon the dev PM QoS constraints, for example.
> 
> However, there is a problem with the behaviour around this in genpd. More
> precisely, a parent-domain is allowed to be powered off, no matter of what
> idlestate that has been selected for the child-domain.
> 
> So far, we have not received any reports about errors from the current
> behaviour. However, there is an STMicro platform that is being worked on,
> which can't cope with this.

Could you please provide some technical info about why STMicro platform
can't cope with that?

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ