On Fri, Mar 10, 2023 at 06:04:02AM +0000, Liu, Yi L wrote: > > From: Tian, Kevin <kevin.tian@xxxxxxxxx> > > Sent: Friday, March 10, 2023 1:31 PM > > > > > From: Yi Liu > > > Sent: Wednesday, March 8, 2023 9:29 PM > > > > > > This is another method to issue PCI hot reset for the users that bounds > > > device to a positive iommufd value. In such case, iommufd is a proof of > > > device ownership. By passing a zero-length fd array, user indicates kernel > > > to do ownership check with the bound iommufd. All the opened devices > > > within > > > the affected dev_set should have been bound to the same iommufd. This > > is > > > simpler and faster as user does not need to pass a set of fds and kernel > > > no need to search the device within the given fds. > > > > > > Suggested-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > > > Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx> > > > > I think you also need a s-o-b from Jason since he wrote most of the > > code here. > > Yes, it is. I'll add it if no objection from Jason. Go ahead Jason
