linux-kernel - Re: [PATCH 2/2] x86/pci: Treat EfiMemoryMappedIO as reservation of ECAM space

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Date:   Wed, 8 Nov 2023 14:20:34 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Tomasz Pala <gotar@...anet.pl>
Cc:     linux-pci@...r.kernel.org,
        Dan J Williams <dan.j.williams@...el.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>,
        David E Box <david.e.box@...el.com>,
        Yunying Sun <yunying.sun@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Giovanni Cabiddu <giovanni.cabiddu@...el.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Hans de Goede <hdegoede@...hat.com>,
        Florent DELAHAYE <linuxkernelml@...ead.fr>,
        Konrad J Hambrick <kjhambrick@...il.com>,
        Matt Hansen <2lprbe78@...k.com>,
        Nicholas Johnson <nicholas.johnson-opensource@...look.com.au>,
        Benoit Grégoire <benoitg@...us.ca>,
        Werner Sembach <wse@...edocomputers.com>,
        mumblingdrunkard@...tonmail.com, linux-kernel@...r.kernel.org,
        Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH 2/2] x86/pci: Treat EfiMemoryMappedIO as reservation of
 ECAM space

On Wed, Nov 08, 2023 at 11:47:21AM -0600, Bjorn Helgaas wrote:
> ...

> Adding to regression tracking:
> 
> #regzbot ^introduced: 07eab0901ede ("efi/x86: Remove EfiMemoryMappedIO from E820 map")
> #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=218107

#regzbot title: PCI BAR vs MCFG/ECAM resource conflict
#regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=218050
#regzbot link: https://forum.proxmox.com/threads/proxmox-8-kernel-6-2-16-4-pve-ixgbe-driver-fails-to-load-due-to-pci-device-probing-failure.131203/