linux-kernel - RE: [PATCH v5 20/26] PCI/AER: Refactor cper_print

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Date:   Fri, 9 Jun 2023 20:11:17 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Terry Bowman <terry.bowman@....com>, <alison.schofield@...el.com>,
        <vishal.l.verma@...el.com>, <ira.weiny@...el.com>,
        <bwidawsk@...nel.org>, <dan.j.williams@...el.com>,
        <dave.jiang@...el.com>, <Jonathan.Cameron@...wei.com>,
        <linux-cxl@...r.kernel.org>
CC:     <terry.bowman@....com>, <rrichter@....com>,
        <linux-kernel@...r.kernel.org>, <bhelgaas@...gle.com>,
        Mahesh J Salgaonkar <mahesh@...ux.ibm.com>,
        Oliver O'Halloran <oohall@...il.com>,
        <linux-pci@...r.kernel.org>
Subject: RE: [PATCH v5 20/26] PCI/AER: Refactor cper_print_aer() for use by
 CXL driver module

Terry Bowman wrote:
> The CXL driver plans to use cper_print_aer() for logging restricted CXL
> host (RCH) AER errors. cper_print_aer() is not currently exported and
> therefore not usable by the CXL drivers built as loadable modules. Export
> the cper_print_aer() function. Use the EXPORT_SYMBOL_NS_GPL() variant
> to restrict the export to CXL drivers.
> 
> The CONFIG_ACPI_APEI_PCIEAER kernel config is currently used to enable
> cper_print_aer(). cper_print_aer() logs the AER registers and is
> useful in PCIE AER logging outside of APEI. Remove the
> CONFIG_ACPI_APEI_PCIEAER dependency to enable cper_print_aer().
> 
> The cper_print_aer() function name implies CPER specific use but is useful
> in non-CPER cases as well. Rename cper_print_aer() to pci_print_aer().
> 
> Co-developed-by: Robert Richter <rrichter@....com>
> Signed-off-by: Robert Richter <rrichter@....com>
> Signed-off-by: Terry Bowman <terry.bowman@....com>
> Cc: Mahesh J Salgaonkar <mahesh@...ux.ibm.com>
> Cc: "Oliver O'Halloran" <oohall@...il.com>
> Cc: Bjorn Helgaas <bhelgaas@...gle.com>
> Cc: linux-pci@...r.kernel.org
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
> Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>

Looks good to me.