linux-kernel - Re: [PATCH v1 0/2] Add MSR-based RAPL PMU support

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Message-ID: <CAJZ5v0h=tikYWnUZfh_nqzAcpDiAMXe=0LOX8Y+tWOMO1cpBeA@mail.gmail.com>
Date: Fri, 21 Nov 2025 21:48:27 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: "Pandruvada, Srinivas" <srinivas.pandruvada@...el.com>
Cc: "sathyanarayanan.kuppuswamy@...ux.intel.com" <sathyanarayanan.kuppuswamy@...ux.intel.com>, 
	"rafael@...nel.org" <rafael@...nel.org>, "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>, 
	"Zhang, Rui" <rui.zhang@...el.com>, "lukasz.luba@....com" <lukasz.luba@....com>, 
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 0/2] Add MSR-based RAPL PMU support

On Fri, Nov 21, 2025 at 2:50 AM Pandruvada, Srinivas
<srinivas.pandruvada@...el.com> wrote:
>
> On Thu, 2025-11-20 at 16:05 -0800, Kuppuswamy Sathyanarayanan wrote:
> > This patch series enables MSR-based PMU support for the Intel RAPL
> > driver in the Linux powercap subsystem.
> >
> > Following are the patch details:
> >
> > Patch 1/2 - Preparatory patch that updates the read_raw() interface
> >             to allow atomic-context callers.
> >
> > Patch 2/2 - More details about motivation of this series and adds
> >             MSR-based RAPL PMU access support.
> >
> > This series has been tested and verified in the Panther Lake and
> > Wildcat Lake platforms using perf tool.
> >
> > Please let me know your review comments.
> >
>
> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>

Both patches applied as 6.19 material, thanks!