On Tue, Apr 08, 2025 at 05:08:34PM -0700, Roman Kisel wrote: > Bounce-buffering makes the system spend more time copying > I/O data. When the I/O transaction take place between > a confidential and a non-confidential endpoints, there is > no other way around. > > Introduce a device bitfield to indicate that the device > doesn't need to perform bounce buffering. The capable > device may employ it to save on copying data around. I have no idea what this is supposed to mean, you need to explain it much better.
