On 22/02/19 17:37, Dr. David Alan Gilbert wrote: > Why does vring_avail_idx use virtio_ld*u*w_phys_cached? > (similar for vring_avail_ring). > There's no generically safe way to do unaligned atomic loads - don't we know > in virtio that these are naturally aligned?
u is for unsigned. :) We know that these are aligned and so they will be atomic. Paolo
