Messages in this thread | | | Subject | Re: [PATCH v2 2/2] pci: Support "removable" attribute for PCI devices | From | Oliver Neukum <> | Date | Tue, 27 Apr 2021 13:59:52 +0200 |
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Am Montag, den 26.04.2021, 13:01 +0000 schrieb David Laight: > From: Rafael J. Wysocki > > Sent: 26 April 2021 12:49 > > > > 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. > > Always been true - think of cardbus (PCI pcmcia) cards with > PCI bridges to external PCI expansion chassis containing > additional PCI slots. > The cardbus card is hot removable.
Hi,
that is true for those options, but not for the style of PCI hotplug which requires you to push a button and wait for the blinking light.
REgards Oliver
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