linux-kernel - Re: [PATCH] arm64: defconfig: enable IOSCHED

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Message-ID: <5AA2A8EB.6050405@hisilicon.com>
Date:   Fri, 9 Mar 2018 15:31:55 +0000
From:   Wei Xu <xuwei5@...ilicon.com>
To:     John Garry <john.garry@...wei.com>
CC:     <catalin.marinas@....com>, <will.deacon@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linuxarm@...wei.com>,
        <arnd@...db.de>
Subject: Re: [PATCH] arm64: defconfig: enable IOSCHED_DEADLINE

Hi John,

On 2018/1/30 13:22, John Garry wrote:
> For certain workloads the deadline IO scheduler offers
> particular advantages over other schedulers and has shown
> to perform better, so enable it.
> 
> The default IO scheduler is unaffected by this change, and
> currently is CFQ.
> 
> Signed-off-by: John Garry <john.garry@...wei.com>

Applied into hisilicon defconfig tree.
Thanks!

BR,
Wei

> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 634b373..40c72e6 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -31,7 +31,6 @@ CONFIG_PROFILING=y
>  CONFIG_JUMP_LABEL=y
>  CONFIG_MODULES=y
>  CONFIG_MODULE_UNLOAD=y
> -# CONFIG_IOSCHED_DEADLINE is not set
>  CONFIG_ARCH_SUNXI=y
>  CONFIG_ARCH_ALPINE=y
>  CONFIG_ARCH_BCM2835=y
>