On Fri, Mar 19, 2021 at 09:46:45AM -0300, Jason Gunthorpe wrote: > On Fri, Mar 19, 2021 at 10:58:41AM +0100, Jean-Philippe Brucker wrote: > > > Although there is no use for it at the moment (only two upstream users and > > it looks like amdkfd always uses current too), I quite like the > > client-server model where the privileged process does bind() and programs > > the hardware queue on behalf of the client process. > > This creates a lot complexity, how do does process A get a secure > reference to B? How does it access the memory in B to setup the HW?
mm_access() for example, and passing addresses via IPC > Why do we need separation anyhow? SVM devices are supposed to be > secure or they shouldn't do SVM. Right Thanks, Jean