[PATCH AUTOSEL 5.4 096/187] ARM: shmobile: defconfig: Restore debugfs support
geert at linux-m68k.org
Thu Jan 9 14:12:10 PST 2020
(replying with the same response to an email with broader audience)
On Fri, Dec 27, 2019 at 6:42 PM Sasha Levin <sashal at kernel.org> wrote:
> From: Geert Uytterhoeven <geert+renesas at glider.be>
> [ Upstream commit fa2cdb1762d15f701b83efa60b04f0d04e71bf89 ]
> Since commit 0e4a459f56c32d3e ("tracing: Remove unnecessary DEBUG_FS
> dependency"), CONFIG_DEBUG_FS is no longer auto-enabled. This breaks
AFAIK, that commit is not present in v5.4, and hasn't been backported yet.
So I don't think there is a need to backport this and all other fixes restoring
debugfs support in post-v5.4 kernels.
BTW, I noticed you plan to backport this "fix" not just to v5.4, but also
> 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 at glider.be>
> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas at ragnatech.se>
> Link: https://firstname.lastname@example.org
> Signed-off-by: Sasha Levin <sashal at kernel.org>
> 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 c6c70355141c..7e7b678ae153 100644
> --- a/arch/arm/configs/shmobile_defconfig
> +++ b/arch/arm/configs/shmobile_defconfig
> @@ -215,4 +215,5 @@ CONFIG_DMA_CMA=y
> # CONFIG_ENABLE_MUST_CHECK is not set
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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