Re: [PATCH] RAS: Move contents from arch/x86/ras/Kconfig into drivers/ras/Kconfig

On 10/04/2026 14.27, Thomas Huth wrote:
> From: Thomas Huth <[email protected]>
> 
> Commit bc8e80d56c1ec ("x86/mce: Merge mce_amd_inj into mce-inject")
> removed the last .c file from arch/x86/ras/, so that there is now
> only a lonely Kconfig file in this folder. Its config switches
> CONFIG_RAS_CEC and CONFIG_RAS_CEC_DEBUG are only used in code that
> resides in drivers/ras/, so those Kconfig switches should better
> reside in drivers/ras/, too. Thus move the contents of arch/x86/ras/
> into drivers/ras/Kconfig now.
> 
> Signed-off-by: Thomas Huth <[email protected]>
> ---
>   arch/x86/ras/Kconfig | 23 -----------------------
>   drivers/ras/Kconfig  | 24 +++++++++++++++++++++++-
>   2 files changed, 23 insertions(+), 24 deletions(-)
>   delete mode 100644 arch/x86/ras/Kconfig
> 
> diff --git a/arch/x86/ras/Kconfig b/arch/x86/ras/Kconfig
> deleted file mode 100644
> index 7488c715427e5..0000000000000
> --- a/arch/x86/ras/Kconfig
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -# SPDX-License-Identifier: GPL-2.0
> -config RAS_CEC
> -	bool "Correctable Errors Collector"
> -	depends on X86_MCE && MEMORY_FAILURE && DEBUG_FS
> -	help
> -	  This is a small cache which collects correctable memory errors per 4K
> -	  page PFN and counts their repeated occurrence. Once the counter for a
> -	  PFN overflows, we try to soft-offline that page as we take it to mean
> -	  that it has reached a relatively high error count and would probably
> -	  be best if we don't use it anymore.
> -
> -	  Bear in mind that this is absolutely useless if your platform doesn't
> -	  have ECC DIMMs and doesn't have DRAM ECC checking enabled in the BIOS.
> -
> -config RAS_CEC_DEBUG
> -	bool "CEC debugging machinery"
> -	default n
> -	depends on RAS_CEC
> -	help
> -	  Add extra files to (debugfs)/ras/cec to test the correctable error
> -	  collector feature. "pfn" is a writable file that allows user to
> -	  simulate an error in a particular page frame. "array" is a read-only
> -	  file that dumps out the current state of all pages logged so far.
> diff --git a/drivers/ras/Kconfig b/drivers/ras/Kconfig
> index fc4f4bb94a4c6..070e17639faa3 100644
> --- a/drivers/ras/Kconfig
> +++ b/drivers/ras/Kconfig
> @@ -31,7 +31,29 @@ menuconfig RAS
>   
>   if RAS
>   
> -source "arch/x86/ras/Kconfig"
> +config RAS_CEC
> +	bool "Correctable Errors Collector"
> +	depends on X86_MCE && MEMORY_FAILURE && DEBUG_FS
> +	help
> +	  This is a small cache which collects correctable memory errors per 4K
> +	  page PFN and counts their repeated occurrence. Once the counter for a
> +	  PFN overflows, we try to soft-offline that page as we take it to mean
> +	  that it has reached a relatively high error count and would probably
> +	  be best if we don't use it anymore.
> +
> +	  Bear in mind that this is absolutely useless if your platform doesn't
> +	  have ECC DIMMs and doesn't have DRAM ECC checking enabled in the BIOS.
> +
> +config RAS_CEC_DEBUG
> +	bool "CEC debugging machinery"
> +	default n
> +	depends on RAS_CEC
> +	help
> +	  Add extra files to (debugfs)/ras/cec to test the correctable error
> +	  collector feature. "pfn" is a writable file that allows user to
> +	  simulate an error in a particular page frame. "array" is a read-only
> +	  file that dumps out the current state of all pages logged so far.
> +
>   source "drivers/ras/amd/atl/Kconfig"
>   
>   config RAS_FMPM

Friendly ping?

  Thomas