linux-kernel - Re: [PATCH v14 13/34] PCI/AER: Replace PCIEAER_CXL symbol with CXL

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Message-ID: <20260122182425.GA16814@bhelgaas>
Date: Thu, 22 Jan 2026 12:24:25 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Terry Bowman <terry.bowman@....com>
Cc: dave@...olabs.net, jonathan.cameron@...wei.com, dave.jiang@...el.com,
	alison.schofield@...el.com, dan.j.williams@...el.com,
	bhelgaas@...gle.com, shiju.jose@...wei.com, ming.li@...omail.com,
	Smita.KoralahalliChannabasappa@....com, rrichter@....com,
	dan.carpenter@...aro.org, PradeepVineshReddy.Kodamati@....com,
	lukas@...ner.de, Benjamin.Cheatham@....com,
	sathyanarayanan.kuppuswamy@...ux.intel.com,
	linux-cxl@...r.kernel.org, vishal.l.verma@...el.com,
	alucerop@....com, ira.weiny@...el.com, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: Re: [PATCH v14 13/34] PCI/AER: Replace PCIEAER_CXL symbol with
 CXL_RAS

On Wed, Jan 14, 2026 at 12:20:34PM -0600, Terry Bowman wrote:
> From: Dan Williams <dan.j.williams@...el.com>
> 
> One of the primary reasons for the CXL driver to exist is to perform error
> handling. If both PCIEAER and CXL are enabled then light up CXL error
> handling as well. The work to remove CONFIG_PCIEAER_CXL started in:
> 
> commit 4ae6ae66649c ("cxl/pci: Remove CXL VH handling in CONFIG_PCIEAER_CXL conditional blocks from core/pci.c")
> 
> Finish that off with conditionally compiling all CXL RAS related helpers
> with CONFIG_CXL_RAS.
> 
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
> Reviewed-by: Terry Bowman <terry.bowman@....com>

Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>

> 
> ----
> 
> Changes in v13->v14:
> - New commit
> ---
>  drivers/cxl/Kconfig      | 2 +-
>  drivers/pci/pcie/Kconfig | 9 ---------
>  2 files changed, 1 insertion(+), 10 deletions(-)
> 
> diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig
> index 217888992c88..70acddc08c39 100644
> --- a/drivers/cxl/Kconfig
> +++ b/drivers/cxl/Kconfig
> @@ -235,6 +235,6 @@ config CXL_MCE
>  
>  config CXL_RAS
>  	def_bool y
> -	depends on ACPI_APEI_GHES && PCIEAER && CXL_PCI
> +	depends on ACPI_APEI_GHES && PCIEAER && CXL_BUS
>  
>  endif
> diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig
> index 17919b99fa66..207c2deae35f 100644
> --- a/drivers/pci/pcie/Kconfig
> +++ b/drivers/pci/pcie/Kconfig
> @@ -49,15 +49,6 @@ config PCIEAER_INJECT
>  	  gotten from:
>  	     https://github.com/intel/aer-inject.git
>  
> -config PCIEAER_CXL
> -	bool "PCI Express CXL RAS support"
> -	default y
> -	depends on PCIEAER && CXL_PCI
> -	help
> -	  Enables CXL error handling.
> -
> -	  If unsure, say Y.
> -
>  #
>  # PCI Express ECRC
>  #
> -- 
> 2.34.1
>