[U-Boot] [PATCH v5 6/7] odroid: defconfig: disable memset at malloc init
Lukasz Majewski
l.majewski at samsung.com
Tue Feb 24 15:39:47 CET 2015
Hi Przemyslaw,
> Reduce the boot time of Odroid X2/U3 by disabling the memset
> at malloc init.
>
> This was tested on Odroid X2.
> A quick test with checking gpio pin state using the oscilloscope.
> Boot time from start to bootcmd (change gpio state by memory write
> command):
> - ~228ms - before this change (arch memset enabled for .bss clear)
> - ~100ms - after this change
>
> Signed-off-by: Przemyslaw Marczak <p.marczak at samsung.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
>
> ---
> Changes V3
> - update commit head
>
> Changes V4
> - odroid_defconfig: remove CONFIG_EXPERT
> - odroid_defconfig: disable CONFIG_SYS_MALLOC_INIT_DO_ZEROING
>
> Changes v5
> - update disabled config name to CONFIG_SYS_MALLOC_CLEAR_ON_INIT
> ---
> configs/odroid_defconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/configs/odroid_defconfig b/configs/odroid_defconfig
> index a842837..aac9f5a 100644
> --- a/configs/odroid_defconfig
> +++ b/configs/odroid_defconfig
> @@ -3,3 +3,4 @@ CONFIG_ARCH_EXYNOS=y
> CONFIG_TARGET_ODROID=y
> CONFIG_OF_CONTROL=y
> CONFIG_DEFAULT_DEVICE_TREE="exynos4412-odroid"
> +# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
Acked-by: Lukasz Majewski <l.majewski at samsung.com>
--
Best regards,
Lukasz Majewski
Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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