linux-kernel - Re: [PATCH 5/6] arm64: wire frequency-invariant accounting support up to the task scheduler

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Message-ID: <20170612130655.GD24187@e104818-lin.cambridge.arm.com>
Date:   Mon, 12 Jun 2017 14:06:55 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Dietmar Eggemann <dietmar.eggemann@....com>
Cc:     linux-kernel@...r.kernel.org, linux@....linux.org.uk,
        Juri Lelli <juri.lelli@....com>, linux-pm@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Will Deacon <will.deacon@....com>,
        Vincent Guittot <vincent.guittot@...aor.org>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Morten Rasmussen <morten.rasmussen@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 5/6] arm64: wire frequency-invariant accounting support
 up to the task scheduler

On Thu, Jun 08, 2017 at 08:55:12AM +0100, Dietmar Eggemann wrote:
> Commit dfbca41f3479 ("sched: Optimize freq invariant accounting")
> changed the wiring which now has to be done by associating
> arch_scale_freq_capacity with the actual implementation provided
> by the architecture.
> 
> Define arch_scale_freq_capacity to use the arch_topology "driver"
> function topology_get_freq_scale() for the task scheduler's
> frequency-invariant accounting instead of the default
> arch_scale_freq_capacity() in kernel/sched/sched.h.
> 
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will.deacon@....com>
> Cc: Juri Lelli <juri.lelli@....com>
> Signed-off-by: Dietmar Eggemann <dietmar.eggemann@....com>
> ---
>  arch/arm64/include/asm/topology.h | 5 +++++
>  arch/arm64/kernel/topology.c      | 1 -
>  2 files changed, 5 insertions(+), 1 deletion(-)

Acked-by: Catalin Marinas <catalin.marinas@....com>