[PATCH] ARM: defconfig: Add IOSCHED_BFQ to the default configs

[Ulf Hansson]

On Thu, 2 Feb 2023 at 14:11, Linus Walleij <linus.walleij at linaro.org> wrote:
>
> ARM systems are often memory constrained and more often than not
> use slow single-channel storage such as flash memory or MMC/SD-cards.
> For any interactive systems (such as mobile phones, tablets,
> chromebooks...) the BFQ I/O scheduler will be desireable.
>
> Make sure the BFQ I/O scheduler is available on these systems.
>
> Loongarch, MIPS, m68k, UM and S390 has also enabled BFQ in their
> defconfigs, cf commit b495dfed706c4c5873c0dab8930ad6eb1d276a6c
> "um: Cleanup CONFIG_IOSCHED_CFQ" where the motivation is that
> it replaces the former CFQ scheduler.
>
> Cc: Ulf Hansson <ulf.hansson at linaro.org>
> Cc: Paolo Valente <paolo.valente at linaro.org>
> Cc: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>

Seems reasonable to me! Feel free to add:

Reviewed-by: Ulf Hansson <ulf.hansson at linaro.org>

I assume you are planning to send a patch for the arm64 defconfig too?
At least to me, that seems like a reasonable thing to do as well.

Kind regards
Uffe


> ---
>  arch/arm/configs/multi_v5_defconfig | 1 +
>  arch/arm/configs/multi_v7_defconfig | 1 +
>  2 files changed, 2 insertions(+)
>
> diff --git a/arch/arm/configs/multi_v5_defconfig b/arch/arm/configs/multi_v5_defconfig
> index 60fc52b95690..4cf455c3bdee 100644
> --- a/arch/arm/configs/multi_v5_defconfig
> +++ b/arch/arm/configs/multi_v5_defconfig
> @@ -49,6 +49,7 @@ CONFIG_ARM_KIRKWOOD_CPUIDLE=y
>  CONFIG_KPROBES=y
>  CONFIG_MODULES=y
>  CONFIG_MODULE_UNLOAD=y
> +CONFIG_IOSCHED_BFQ=y
>  CONFIG_NET=y
>  CONFIG_PACKET=y
>  CONFIG_UNIX=y
> diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
> index ee184eb37adc..7a0279a078fc 100644
> --- a/arch/arm/configs/multi_v7_defconfig
> +++ b/arch/arm/configs/multi_v7_defconfig
> @@ -146,6 +146,7 @@ CONFIG_MODULES=y
>  CONFIG_MODULE_UNLOAD=y
>  CONFIG_PARTITION_ADVANCED=y
>  CONFIG_CMDLINE_PARTITION=y
> +CONFIG_IOSCHED_BFQ=y
>  CONFIG_NET=y
>  CONFIG_PACKET=y
>  CONFIG_UNIX=y
> --
> 2.34.1
>