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From: Oleg Keri <okerixx@gmail.com>
To: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Sumit Gupta <sumitg@nvidia.com>,
	Prasanna Kumar T S M <ptsm@linux.microsoft.com>,
	Beata Michalska <beata.michalska@arm.com>,
	Russell King <linux@armlinux.org.uk>,
	Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,
	Sudeep Holla <sudeep.holla@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/2] arm64: topology: fix arch_freq_get_on_cpu() overflow above 4.19 GHz
Date: Wed, 16 Sep 2026 13:23:19 +0200	[thread overview]
Message-ID: <178955779940.30466.10860982419496123467@gmail.com> (raw)
In-Reply-To: <55538466-2203-42ec-a0bd-b743c04a3b38@arm.com>

Hi Dietmar,

On Wed, Sep 16, 2026, Dietmar Eggemann wrote:
> In task scheduler code we use cap_scale(v, s) for CPU capacity related
> scaling.
>
> We could move its definition from private task scheduler include file
> kernel/sched/sched.h to include/linux/topology.h to be able to use it
> also outside the task scheduler?

Fine by me, that reads better than open-coding the shift. Your diff
builds here on arm64 (topology.o and kernel/sched/), so I will fold it
into v4 and add the scheduler maintainers to Cc for the header move.

Since the diff is yours: is a Suggested-by enough, or would you rather
have Co-developed-by and your Signed-off-by on the patch?

Thanks,
Oleg

  reply	other threads:[~2026-09-16 11:23 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-10  6:34 [PATCH v3 0/2] arm64/cpufreq: report and track frequencies " Oleg Keri
2026-09-10  6:34 ` [PATCH v3 1/2] arm64: topology: fix arch_freq_get_on_cpu() overflow " Oleg Keri
2026-09-14  7:04   ` Beata Michalska
2026-09-16 10:52   ` Dietmar Eggemann
2026-09-16 11:23     ` Oleg Keri [this message]
2026-09-10  6:34 ` [PATCH v3 2/2] cpufreq: update capacity_freq_ref when the boost state changes Oleg Keri

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