linux-kernel - Re: [PATCH 1/3] x86/quirks: Scan all busses for early PCI quirks

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Message-ID: <CAHD1Q_yfFYrfAEHTA3mW25hK9DFFYnKQ2_1HCEnL4m=bc=rLfg@mail.gmail.com>
Date:   Wed, 18 Nov 2020 19:36:08 -0300
From:   Guilherme Piccoli <gpiccoli@...onical.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        Thomas Gleixner <tglx@...utronix.de>, lukas@...ner.de,
        linux-pci@...r.kernel.org, Pingfan Liu <kernelfans@...il.com>,
        andi@...stfloor.org, "H. Peter Anvin" <hpa@...or.com>,
        Baoquan He <bhe@...hat.com>, x86@...nel.org,
        Sinan Kaya <okaya@...nel.org>, Ingo Molnar <mingo@...hat.com>,
        Jay Vosburgh <jay.vosburgh@...onical.com>,
        Dave Young <dyoung@...hat.com>,
        Gavin Guo <gavin.guo@...onical.com>,
        Borislav Petkov <bp@...en8.de>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Guowen Shan <gshan@...hat.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        "Guilherme G. Piccoli" <kernel@...ccoli.net>,
        kexec mailing list <kexec@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Dan Streetman <ddstreet@...onical.com>,
        Vivek Goyal <vgoyal@...hat.com>
Subject: Re: [PATCH 1/3] x86/quirks: Scan all busses for early PCI quirks

Thanks a lot Bjorn! I confess except for PPC64 Server machines, I
never saw other "domains" or segments. Is it common in x86 to have
that? The early_quirks() are restricted to the first segment, no
matter how many host bridges we have in segment 0000?

Thanks again!