[PATCH v2 5/5] powerpc/configs: Disable SCOM_DEBUGFS in powernv_defconfig

[Nicholas Piggin]

Andrew Donnellan's on May 9, 2019 3:11 pm:
> SCOM_DEBUGFS is really not needed for anything other than low-level
> hardware debugging.
> 
> opal-prd uses its own interface (/dev/prd) for SCOM access, so it doesn't
> need SCOM_DEBUGFS.
> 
> At some point in the future we'll introduce a debug config fragment where
> this can go instead.

That doesn't really explain why you want to disable it. It is useful
for low level hardware debugging, I added it.

obscurity^Wsecurity?

> 
> Signed-off-by: Andrew Donnellan <ajd at linux.ibm.com>
> ---
> v1->v2:
> - new patch
> ---
>  arch/powerpc/configs/powernv_defconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/configs/powernv_defconfig b/arch/powerpc/configs/powernv_defconfig
> index ef2ef98d3f28..d5a6608cb2e0 100644
> --- a/arch/powerpc/configs/powernv_defconfig
> +++ b/arch/powerpc/configs/powernv_defconfig
> @@ -38,7 +38,7 @@ CONFIG_MODULE_UNLOAD=y
>  CONFIG_MODVERSIONS=y
>  CONFIG_MODULE_SRCVERSION_ALL=y
>  CONFIG_PARTITION_ADVANCED=y
> -CONFIG_SCOM_DEBUGFS=y
> +# CONFIG_SCOM_DEBUGFS is not set
>  CONFIG_OPAL_PRD=y
>  CONFIG_PPC_MEMTRACE=y
>  # CONFIG_PPC_PSERIES is not set
> -- 
> 2.20.1
> 
>