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From:   "Rafael J. Wysocki" <rafael@kernel.org>
Date:   Mon, 26 Apr 2021 13:49:15 +0200
Message-ID: <CAJZ5v0iNrSFjhmTE8K-JrO07kJon3ikhatbg0Jg2hs+x-frDJg@mail.gmail.com>
Subject: Re: [PATCH v2 2/2] pci: Support "removable" attribute for PCI devices
To:     Oliver Neukum <oneukum@suse.com>
Cc:     Rajat Jain <rajatja@google.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Alan Stern <stern@rowland.harvard.edu>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux PCI <linux-pci@vger.kernel.org>,
        "open list:ULTRA-WIDEBAND (UWB) SUBSYSTEM:" 
        <linux-usb@vger.kernel.org>, Bjorn Helgaas <helgaas@kernel.org>,
        Rajat Jain <rajatxjain@gmail.com>,
        Jesse Barnes <jsbarnes@google.com>,
        Dmitry Torokhov <dtor@google.com>
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On Mon, Apr 26, 2021 at 11:17 AM Oliver Neukum <oneukum@suse.com> wrote:
>
> Am Freitag, den 23.04.2021, 19:16 -0700 schrieb Rajat Jain:
> > Export the already available info, to the userspace via the
> > device core, so that userspace can implement whatever policies it
> > wants to, for external removable devices.
>
> Hi,
>
> is there a way to tell apart whether a device can undergo regular
> surprise removal?

PCI devices located under a removable parent can undergo surprise
removal.  The ones on a Thunderbolt chain too.

> Do we want that?

Do you mean surprise removal?  Yes, we do.