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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(). Also, update cxl_core to import CXL namespace imports. Co-developed-by: Robert Richter <rrichter@amd.com> Signed-off-by: Terry Bowman <terry.bowman@amd.com> Signed-off-by: Robert Richter <rrichter@amd.com> Cc: Mahesh J Salgaonkar <mahesh@linux.ibm.com> Cc: Oliver O'Halloran <oohall@gmail.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: linux-pci@vger.kernel.org Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/20231018171713.1883517-13-rrichter@amd.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.