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SubjectRe: [PATCH 1/3] x86/quirks: Scan all busses for early PCI quirks
On Tue, Nov 17, 2020 at 09:04:07AM -0300, Guilherme Piccoli wrote:

> Also, taking here the opportunity to clarify my understanding about
> the limitations of that approach: Bjorn, in our reproducer machine we
> had 3 parents in the PCI tree (as per lspci -t), 0000:00, 0000:ff and
> 0000:80 - are those all under "segment 0" as per your verbiage?

Yes. The "0000" is the PCI segment (or "domain" in the Linux PCI core).
It's common on x86 to have multiple host bridges in segment 0000.

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