Messages in this thread | | | From | "Luck, Tony" <> | Subject | RE: Bug report: the extended PCI config space is missed with 6.2-rc2 | Date | Fri, 6 Jan 2023 00:22:09 +0000 |
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> ...and Dave, who reported that CXL enumeration was busted in -rc2, says > this patch fixes that. So you can also add: > > Tested-by: Dave Jiang <dave.jiang@intel.com>
Also seems good for my Broadwell/EDAC system.
Boot messages mentioning MMCONFIG are:
$ dmesg | grep MMCONFIG [ 12.280360] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0x80000000-0x8fffffff] (base 0x80000000) [ 12.291606] PCI: not using MMCONFIG [ 12.873676] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0x80000000-0x8fffffff] (base 0x80000000) [ 12.893266] PCI: MMCONFIG at [mem 0x80000000-0x8fffffff] reserved in ACPI motherboard resources or EFI [ 12.903601] PCI: MMCONFIG for 0000 [bus00-7f] at [mem 0x80000000-0x87ffffff] (base 0x80000000) (size reduced!) [ 13.385616] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 14.115617] acpi PNP0A03:01: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 17.969639] acpi PNP0A08:02: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 18.298640] acpi PNP0A08:03: fail to add MMCONFIG information, can't access extended configuration space under this bridge
The EDAC driver works with this patch applied.
Tested-by: Tony Luck <tony.luck@intel.com>
-Tony
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