linux-kernel - Re: [PATCH] ARM: shmobile: defconfig: Restore debugfs support

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Message-ID: <20191210170937.GA6956@bigcity.dyn.berto.se>
Date:   Tue, 10 Dec 2019 18:09:37 +0100
From:   Niklas Söderlund 
        <niklas.soderlund@...natech.se>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Magnus Damm <magnus.damm@...il.com>,
        linux-renesas-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: shmobile: defconfig: Restore debugfs support

Hi Geert,

Thanks for your patch.

On 2019-12-09 11:13:27 +0100, Geert Uytterhoeven wrote:
> Since commit 0e4a459f56c32d3e ("tracing: Remove unnecessary DEBUG_FS
> dependency"), CONFIG_DEBUG_FS is no longer auto-enabled.  This breaks
> booting Debian 9, as systemd needs debugfs:
> 
>     [FAILED] Failed to mount /sys/kernel/debug.
>     See 'systemctl status sys-kernel-debug.mount' for details.
>     [DEPEND] Dependency failed for Local File Systems.
>     ...
>     You are in emergGive root password for maintenance
>     (or press Control-D to continue):
> 
> Fix this by enabling CONFIG_DEBUG_FS explicitly.
> 
> See also commit 18977008f44c66bd ("ARM: multi_v7_defconfig: Restore
> debugfs support").
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>

> ---
> To be queued as a fix for v5.5.
> ---
>  arch/arm/configs/shmobile_defconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
> index 7f0985e023313b57..64fa849f8bbe0617 100644
> --- a/arch/arm/configs/shmobile_defconfig
> +++ b/arch/arm/configs/shmobile_defconfig
> @@ -215,4 +215,5 @@ CONFIG_DMA_CMA=y
>  CONFIG_CMA_SIZE_MBYTES=64
>  CONFIG_PRINTK_TIME=y
>  # CONFIG_ENABLE_MUST_CHECK is not set
> +CONFIG_DEBUG_FS=y
>  CONFIG_DEBUG_KERNEL=y
> -- 
> 2.17.1
> 

-- 
Regards,
Niklas Söderlund