> From: Tian, Kevin <kevin.tian@xxxxxxxxx> > Sent: Thursday, January 19, 2023 11:42 AM > > > My question to the last version was not answered... > > > > > > Can you elaborate why it is impossible to unbind? Is it more an > > > implementation choice or conceptual restriction? > > > > At least for the implementation it is due to the use of the lockless > > test for bind. > > > > It can safely handle unbind->bind but it cannot handle > > bind->unbind. To allows this we'd need to add a lock on all the vfio > > ioctls which seems costly. > > > > OK, it makes sense. Yi, can you add this message in next version? Yeah. 😊 Regards, Yi Liu
