> From: Longjun Tang <[email protected]> > > Export a read-only accessor for the last consumed used ring index. > It's useful for drivers that need to detect whether the device has > produced buffers that have not been consumed yet, by passing the > returned value to virtqueue_poll(). > > The split ring now writes the field with WRITE_ONCE() (the packed > ring already did) to document that the new reader can run concurrently > with the poll path. > > Assisted-by: Kilo:deepseek-v4-pro > Signed-off-by: Longjun Tang <[email protected]>
Sashiko has reviewed this patch and found no issues. It looks great! -- Sashiko AI review ยท https://sashiko.dev/#/patchset/[email protected]?part=1
