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From:   Guilherme Piccoli <gpiccoli@canonical.com>
Date:   Wed, 18 Nov 2020 19:36:08 -0300
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Subject: Re: [PATCH 1/3] x86/quirks: Scan all busses for early PCI quirks
To:     Bjorn Helgaas <helgaas@kernel.org>
Cc:     "Eric W. Biederman" <ebiederm@xmission.com>,
        Thomas Gleixner <tglx@linutronix.de>, lukas@wunner.de,
        linux-pci@vger.kernel.org, Pingfan Liu <kernelfans@gmail.com>,
        andi@firstfloor.org, "H. Peter Anvin" <hpa@zytor.com>,
        Baoquan He <bhe@redhat.com>, x86@kernel.org,
        Sinan Kaya <okaya@kernel.org>, Ingo Molnar <mingo@redhat.com>,
        Jay Vosburgh <jay.vosburgh@canonical.com>,
        Dave Young <dyoung@redhat.com>,
        Gavin Guo <gavin.guo@canonical.com>,
        Borislav Petkov <bp@alien8.de>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Guowen Shan <gshan@redhat.com>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        "Guilherme G. Piccoli" <kernel@gpiccoli.net>,
        kexec mailing list <kexec@lists.infradead.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Dan Streetman <ddstreet@canonical.com>,
        Vivek Goyal <vgoyal@redhat.com>
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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!