linux-kernel - Re: [RFC PATCH 8/9] PCI/AER: Export pci_aer_unmask_internal

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Message-ID: <ZnKEJd44ItoL67_s@infradead.org>
Date: Wed, 19 Jun 2024 00:09:25 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Terry Bowman <terry.bowman@....com>
Cc: dan.j.williams@...el.com, ira.weiny@...el.com, dave@...olabs.net,
	dave.jiang@...el.com, alison.schofield@...el.com,
	ming4.li@...el.com, vishal.l.verma@...el.com,
	jim.harris@...sung.com, ilpo.jarvinen@...ux.intel.com,
	ardb@...nel.org, sathyanarayanan.kuppuswamy@...ux.intel.com,
	linux-cxl@...r.kernel.org, linux-kernel@...r.kernel.org,
	Yazen.Ghannam@....com, Robert.Richter@....com,
	Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org
Subject: Re: [RFC PATCH 8/9] PCI/AER: Export pci_aer_unmask_internal_errors()

On Mon, Jun 17, 2024 at 03:04:10PM -0500, Terry Bowman wrote:
> AER correctable internal errors (CIE) and AER uncorrectable internal
> errors (UIE) are disabled through the AER mask register by default.[1]
> 
> CXL PCIe ports use the CIE/UIE to report RAS errors and as a result
> need CIE/UIE enabled.[2]
> 
> Change pci_aer_unmask_internal_errors() function to be exported for
> the CXL driver and other drivers to use.

I can't actually find a user for this.  Maybe that's because you did
weird partial CCs for your series, or maybe it's because you don't
want to tell us.  Either way it's a no-go.