linux-kernel - Re: [PATCH 09/11] PCI: add matching checks for driver

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Message-ID: <YMeAmoWns9SUkr+q@infradead.org>
Date:   Mon, 14 Jun 2021 17:15:22 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     Jason Gunthorpe <jgg@...dia.com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Max Gurtovoy <mgurtovoy@...dia.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        cohuck@...hat.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, aviadye@...dia.com, oren@...dia.com,
        shahafs@...dia.com, parav@...dia.com, artemp@...dia.com,
        kwankhede@...dia.com, ACurrid@...dia.com, cjia@...dia.com,
        yishaih@...dia.com, kevin.tian@...el.com, targupta@...dia.com,
        shameerali.kolothum.thodi@...wei.com, liulongfang@...wei.com,
        yan.y.zhao@...el.com
Subject: Re: [PATCH 09/11] PCI: add matching checks for driver_override
 binding

On Mon, Jun 14, 2021 at 01:01:25PM -0300, Jason Gunthorpe wrote:
> > Isn't struct pci_device_id a userspace ABI due to MODULE_DEVICE_TABLE()?
> 
> Not that I can find, it isn't under include/uapi and the way to find
> this information is by looking for symbols starting with "__mod_"
> 
> Debian Code Search says the only place with '"__mod_"' is in
> file2alias.c at least
> 
> Do you know of something? If yes this file should be moved

Seems lke file2alias.c is indeed the only consumer.  So it is a
userspace ABI, but ony to a file included in the kernel tree.