linux-kernel - RE: Bug report: the extended PCI config space is missed with 6.2-rc2

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Date:   Thu, 5 Jan 2023 18:04:52 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
CC:     "Liang, Kan" <kan.liang@...ux.intel.com>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "hdegoede@...hat.com" <hdegoede@...hat.com>,
        "kernelorg@...ead.fr" <kernelorg@...ead.fr>,
        "kjhambrick@...il.com" <kjhambrick@...il.com>,
        "2lprbe78@...k.com" <2lprbe78@...k.com>,
        "nicholas.johnson-opensource@...look.com.au" 
        <nicholas.johnson-opensource@...look.com.au>,
        "benoitg@...us.ca" <benoitg@...us.ca>,
        "mika.westerberg@...ux.intel.com" <mika.westerberg@...ux.intel.com>,
        "wse@...edocomputers.com" <wse@...edocomputers.com>,
        "mumblingdrunkard@...tonmail.com" <mumblingdrunkard@...tonmail.com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Box, David E" <david.e.box@...el.com>,
        "Sun, Yunying" <yunying.sun@...el.com>
Subject: RE: Bug report: the extended PCI config space is missed with 6.2-rc2

> Hi Tony, can you share a dmesg log?  Does it look like the same thing
> Kan reported, where the ECAM space is reported only via an
> EfiMemoryMappedIO region and is not otherwise reserved by firmware?

Bjorn,

Attached are serial logs. "broken" is the one from v6.2-rc2, "revert" is the
one with your commit reverted.

I don't see the string "ECAM" in either of them.

-Tony

Download attachment "broken" of type "application/octet-stream" (123552 bytes)

Download attachment "revert" of type "application/octet-stream" (125746 bytes)