04/10/2018 11:11, Burakov, Anatoly: > On 04-Oct-18 7:44 AM, Jeff Guo wrote: > > As we may know that the process of hotplug is different between igb_uio > > and vfio. For igb_uio, it could use uevent notification and memory > > failure handle mechanism for hot-unplug. But for vfio, when device is be > > hot-unplugged, the uevent can not be detected immediately, because of the > > vfio kernel module will use a special mechanism to guaranty the pci > > device would not be deleted until the user space release the resources, > > so it will use another req notifier event at first to notify user space > > to release resources for hotplug. > > > > This patch will add a new interrupt type of req notifier in eal interrupt, > > and add the new interrupt handler in pci device to handle the req device > > event. When the req notifier be detected, it can trigger the device event > > callback process to process for hot-unplug. With this mechanism, hotplug > > could be enable in vfio. > > LGTM > > Acked-by: Anatoly Burakov <anatoly.bura...@intel.com>
Applied, thanks
