linux-kernel - Re: [GIT PULL] Urgent power management fixes for v4.18

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Message-ID: <CAJZ5v0iGA=oVV9eaF=JkmK4iY20x44qjkOKDLJa_f6CPUHK=ng@mail.gmail.com>
Date:   Wed, 1 Aug 2018 12:06:34 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Linux PM <linux-pm@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] Urgent power management fixes for v4.18

On Wed, Aug 1, 2018 at 12:03 PM, Rafael J. Wysocki <rafael@...nel.org> wrote:
> urgent power management fixes for final 4.18.
>
> These fix the scope of a recent intel_pstate driver optimization
> used incorrectly on some systems due to processor identification
> ambiguity and fix a few issues in the turbostat utility, including
> three recent regressions.
>
> Specifics:
>
>  - Use ACPI FADT preferred PM Profile to distinguish Skylake
>    desktop processors from some server ones with the same model
>    number in order to limit the scope of the recent IO-wait boost
>    optimization to servers, as intended (Srinivas Pandruvada).
>
>  - Fix several issues in the turbostat utility:
>    * Fix the -S option on 1-CPU systems (Len Brown).
>    * Fix computations using incorrect processor core counts (Artem
>      Bityutskiy).
>    * Fix the x2apic debug message (Len Brown).
>    * Fix logical node enumeration to allow for non-sequential
>      physical nodes (Prarit Bhargava).
>    * Fix reported family on modern AMD processors (Calvin Walton).
>    * Clarify the RAPL column information in the man page (Len Brown).

Sorry for the broken message, I'll send the correct one shortly.