> > Yes, it's ugly but it's legal. It probably doesn't happen on real hardware > > that computes the checksum after or during DMA and has some kind of buffer > > inside the board. But on virt there is only one copy until we reach the > > actual physical hardware. > > okay, so it's no bug. and there is no way to detect that the page is dirty > (again). so i need a bounce buffer if i have data checksums?
I think so, yes. Paolo
