On Mon, 2020-02-10 at 08:01 +0100, Christoph Hellwig wrote: > On Fri, Feb 07, 2020 at 04:59:58PM -0700, Jon Derrick wrote: > > This set adds an emulation driver for PCIe Hotplug. There may be platforms with > > specific configurations that can support hotplug but don't provide the logical > > slot hotplug hardware. For instance, the platform may use an > > electrically-tolerant interposer between the slot and the device. > > The code seems like one giant hack to me. What is the real life > use case for this? Another Intel chipset fuckup like vmd or the ahci > remapping? > Exactly as the cover letter describes. An interposer being used on a non-hotplug slot.