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

From: Bjorn Helgaas
Date: Tue Mar 01 2022 - 18:15:54 EST


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