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From: "Rafael J. Wysocki" <>
To: Linux PM <>
Cc: LKML <>,
	Linux ACPI <>,
	Peter Zijlstra <>,
	Srinivas Pandruvada <>,
	Viresh Kumar <>,
	Giovanni Gherdovich <>,
	Mel Gorman <>,
	Michael Larabel <>,
	Juri Lelli <>,
	Vincent Guittot <>
Subject: [PATCH v1 0/2] cpufreq: ACPI: Address performance regression related to scale-invariance
Date: Thu, 04 Feb 2021 18:23:58 +0100	[thread overview]
Message-ID: <13690581.X0sz4iL7V8@kreacher> (raw)

Hi All,

These 2 patches address a performance regression related to scale-invariance
found by Michael and analyzed by Giovanni (see the patch from Giovanni at

Patch [1/2] is a replacement for the one mentioned above (it was posted without
a changelog and tested somewhat) and patch [2/2] takes care of systems without
CPPC on top of that.

Please see the patch changelogs for details and let me know if you have any


             reply	other threads:[~2021-02-04 17:39 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-04 17:23 Rafael J. Wysocki [this message]
2021-02-04 17:25 ` [PATCH v1 1/2] cpufreq: ACPI: Extend frequency tables to cover boost frequencies Rafael J. Wysocki
2021-02-05  7:06   ` Giovanni Gherdovich
2021-02-04 17:34 ` [PATCH v1 2/2] cpufreq: ACPI: Update arch scale-invariance max perf ratio if CPPC is not there Rafael J. Wysocki
2021-02-05  7:07   ` Giovanni Gherdovich
2021-02-05 11:56   ` Peter Zijlstra
2021-02-05 12:23     ` Rafael J. Wysocki

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