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

Linus Walleij linus.walleij at linaro.org
Thu Feb 2 05:59:57 PST 2023


On Thu, Feb 2, 2023 at 2:32 PM Ulf Hansson <ulf.hansson at linaro.org> wrote:
> 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.

Yup provided we have consesus to turn it on for Arm32 I will follow
up with a patch to Arm64.

Yours,
Linus Walleij



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