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From:   "Luck, Tony" <tony.luck@intel.com>
To:     Bjorn Helgaas <helgaas@kernel.org>
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        "Liang, Kan" <kan.liang@linux.intel.com>,
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Subject: RE: Bug report: the extended PCI config space is missed with 6.2-rc2
Thread-Topic: Bug report: the extended PCI config space is missed with 6.2-rc2
Thread-Index: AQHZIS5W8o9BItAAdUOkB8l+e5XlU66QHQ6QgAAH+QCAABTaAIAAAkWAgAAMrYCAABNXMA==
Date:   Thu, 5 Jan 2023 21:49:44 +0000
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References: <SJ1PR11MB608347C8A95717A8BEE3BF2DFCFA9@SJ1PR11MB6083.namprd11.prod.outlook.com>
 <20230105203757.GA1166631@bhelgaas>
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> The EDAC driver wouldn't have any ACPI stuff in it; it's just that
> Linux is looking for ACPI info about the ECAM area.

Is there some way for a driver to know that pci_read_config_dword()
is going to fail for offsets in extended PCIe config space?

-Tony