Re: [PATCH v2 1/1] PCI: Prevent shrinking bridge window from its required size

Ilpo Järvinen
2026-02-20T15:48:01Z

[-- Attachment #1: Type: text/plain, Size: 1149 bytes --]

On Fri, 20 Feb 2026, Bjorn Helgaas wrote:

> On Fri, Feb 20, 2026 at 01:32:43PM +0200, Ilpo Järvinen wrote:
> > On Thu, 19 Feb 2026, Bjorn Helgaas wrote:
> > ...
>
> > > These both date back to v5.10 (Dec 2020), but Steve's report below is
> > > only from Aug 2025, so I'm sort of assuming this is v7.1 material?
> >
> > It's an old problem yes and impacts limited set of configurations
> > (a device with big BARs attached to TB).
> >
> > v7.1 is okay for me, this could cause some not immediately obvious problem
> > in some other case so it gives more time for us to hear about them
> > (hopefully).
> >
> > > If we want it for v7.0, I'm going to need a CliffsNotes summary of the
> > > commit log to justify it :)
> >
> > Even if it's not going to be needed in this cases, what's "CliffsNotes
> > summary" ??
>
> Slang for a short summary :) I.e., a sentence or two to motivate a
> pull request. Big BARs attached via Thunderbolt sounds like an
> important piece; e.g., maybe this helps fix Thunderbolt docks with
> GPUs in them?

At least some of them (the reported case exactly that, IIRC).

--
i.