linux-kernel - Re: [RESEND][PATCH v2] PCI: Sanitise firmware BAR assignments behind a PCI-PCI bridge

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Message-ID: <20220301231547.GA663097@bhelgaas>
Date:   Tue, 1 Mar 2022 17:15:47 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     "Maciej W. Rozycki" <macro@...am.me.uk>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [RESEND][PATCH v2] PCI: Sanitise firmware BAR assignments behind
 a PCI-PCI bridge

On Tue, Feb 01, 2022 at 10:51:11AM +0000, Maciej W. Rozycki wrote:
> Fix an issue with the Tyan Tomcat IV S1564D system, the BIOS of which 
> does not assign PCI buses beyond #2, where our resource reallocation 
> code preserves the reset default of an I/O BAR assignment outside its 
> upstream PCI-to-PCI bridge's I/O forwarding range for device 06:08.0 in 
> this log:

Would you mind collecting the complete dmesg log before your patch?
It's hard to get the entire picture from snippets.

Bjorn