linux-kernel - Re: [PATCH] intel_idle: stop exposing platform acronyms in sysfs

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: <CAJZ5v0id82bcw-i2dVhu-XsvG2PkBTRw3VtYUJ0KwzMo=YrzhA@mail.gmail.com>
Date:   Wed, 1 Mar 2017 00:55:40 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Len Brown <lenb@...nel.org>
Cc:     Linux PM <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Len Brown <len.brown@...el.com>,
        Thomas Renninger <trenn@...e.de>
Subject: Re: [PATCH] intel_idle: stop exposing platform acronyms in sysfs

On Tue, Feb 28, 2017 at 10:32 PM, Len Brown <lenb@...nel.org> wrote:
> From: Len Brown <len.brown@...el.com>
>
> Cosmetic only -- no functional change in this patch.
>
> sysfs before:
>
> state4/desc:MWAIT 0x20
> state4/name:C6-HSW
>
> sysfs after:
>
> state4/desc:MWAIT 0x20
> state4/name:C6
>
> We remove the platform acronyms from the end of the state name
> (-HSW in this case) for three reasonse.
>
> 1. more consistency with acpi_idle, which prints C1, C2, C3 etc.
>
> 2. users know what platform they are on already
>    an acronym for the processor code name here
>    seems to cause more confusion than clarity.
>
> 3. less clutter in "cpupower monitor" output,
>    which truncates the names to 4 columns.
>
> The precise definition of the state continues to be available in "desc".
>
> Cc: Thomas Renninger <trenn@...e.de>
> Reported-by: Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>
> Signed-off-by: Len Brown <len.brown@...el.com>

I think I can apply this one right away if you want me to do that.

Thanks,
Rafael