Patch 1 is a simple cleanup, patch 2 gives removes 2 atomics from the io_uring zc TCP submission path, which yielded extra 0.5% for my throughput CPU bound tests based on liburing/examples/send-zerocopy.c Pavel Begunkov (2): net/tcp: don't peek at tail for io_uring zc net/tcp: optimise io_uring zc ubuf refcounting net/ipv4/tcp.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) -- 2.40.0
