> From: Long Li > Sent: Wednesday, September 14, 2016 1:41 > > I think this code is safe here. If we reach the code > pci_stop_and_remove_bus_device_locked, create_root_hv_pci_bus() is already > called. When hv_pci_probe() -> create_root_hv_pci_bus() -> pci_scan_child_bus() is running on one cpu, I think nothing in the current code can prevent hv_eject_device_work() -> pci_stop_and_remove_bus_device_locked() from running on another cpu? The race window is pretty small however. Thanks, -- Dexuan _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
