On Thu, Jun 06, 2019 at 10:24:18AM -0400, Alan Stern wrote: > On Thu, 6 Jun 2019, David Howells wrote: > > > Add a USB subsystem notification mechanism whereby notifications about > > hardware events such as device connection, disconnection, reset and I/O > > errors, can be reported to a monitoring process asynchronously. > > USB I/O errors covers an awfully large and vague field. Do we really > want to include them? I'm doubtful. See the other patch on the linux-usb list that wanted to start adding KOBJ_CHANGE notifications about USB "i/o errors". So for "severe" issues, yes, we should do this, but perhaps not for all of the "normal" things we see when a device is yanked out of the system and the like. thanks, greg k-h
