linux-kernel - Re: [RFC 0/2] PCI: Introduce pci_ops::use_arch

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Message-ID: <20210319190416.GA244767@bjorn-Precision-5520>
Date:   Fri, 19 Mar 2021 14:04:16 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Boqun Feng <boqun.feng@...il.com>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-hyperv@...r.kernel.org, linux-pci@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>, Clint Sbisa <csbisa@...zon.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Sunil Muthuswamy <sunilmut@...rosoft.com>
Subject: Re: [RFC 0/2] PCI: Introduce pci_ops::use_arch_sysdata

On Sat, Mar 20, 2021 at 12:19:54AM +0800, Boqun Feng wrote:
> Hi Bjorn,
> 
> I'm currently working on virtual PCI support for Hyper-V ARM64 guests.
> Similar to virtual PCI on x86 Hyper-V guests, the PCI root bus is not
> probed via ACPI (or of), it's probed from Hyper-V VMbus, therefore it

Prime example of why "OF" should be capitalized to prevent the
confusion of reading it as an English word, where it looks like a typo
and makes no sense.  Capitalizing it gives me and other uninitiates a
hint that it's an initialism.  Also applies to your commit logs and
code comments.

> doesn't have config window.