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Date: Thu, 6 Jul 2017 16:19:10 +0530
From: Viresh Kumar <viresh.kumar@linaro.org>
To: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
        linux@arm.linux.org.uk,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Russell King <rmk+kernel@armlinux.org.uk>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>, Juri Lelli <juri.lelli@arm.com>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Morten Rasmussen <morten.rasmussen@arm.com>,
        "Rafael J . Wysocki" <rjw@rjwysocki.net>
Subject: Re: [PATCH v2 09/10] arm64: wire cpu-invariant accounting support up
 to the task scheduler
Message-ID: <20170706104910.GI13048@vireshk-i7>
References: <20170706094948.8779-1-dietmar.eggemann@arm.com>
 <20170706094948.8779-10-dietmar.eggemann@arm.com>
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On 06-07-17, 10:49, Dietmar Eggemann wrote:
> Commit 8cd5601c5060 ("sched/fair: Convert arch_scale_cpu_capacity() from
> weak function to #define") changed the wiring which now has to be done
> by associating arch_scale_cpu_capacity with the actual implementation
> provided by the architecture.
> 
> Define arch_scale_cpu_capacity to use the arch_topology "driver"
> function topology_get_cpu_scale() for the task scheduler's cpu-invariant
> accounting instead of the default arch_scale_cpu_capacity() in
> kernel/sched/sched.h.
> 
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Juri Lelli <juri.lelli@arm.com>
> Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
> Acked-by: Vincent Guittot <vincent.guittot@linaro.org>
> Tested-by: Juri Lelli <juri.lelli@arm.com>
> Reviewed-by: Juri Lelli <juri.lelli@arm.com>
> ---
>  arch/arm64/include/asm/topology.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h
> index 4fd598b432e6..0dc81860cc0d 100644
> --- a/arch/arm64/include/asm/topology.h
> +++ b/arch/arm64/include/asm/topology.h
> @@ -40,6 +40,9 @@ int pcibus_to_node(struct pci_bus *bus);
>  /* Replace task scheduler's default frequency-invariant accounting */
>  #define arch_scale_freq_capacity topology_get_freq_scale
>  
> +/* Replace task scheduler's default cpu-invariant accounting */
> +#define arch_scale_cpu_capacity topology_get_cpu_scale
> +
>  #include <asm-generic/topology.h>
>  
>  #endif /* _ASM_ARM_TOPOLOGY_H */

Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>

-- 
viresh