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We don't rely on lockless guarantees, but it seems cleaner than inverting __ptr_ring_peek. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Partial implementation of various ring layouts, useful to tune virtio design. Uses shared memory heavily. Typical use: # sh run-on-all.sh perf stat -r 10 --log-fd 1 -- ./ring