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authorEric Dumazet2010-05-07 01:51:21 +0200
committerDavid S. Miller2010-05-18 02:18:50 +0200
commitebda37c27d0c768947e9b058332d7ea798210cf8 (patch)
tree1c34bd9f9c2a87dcd150ad1fcc46a3adc6bb7ca2 /net/core/sock.c
parentdrivers/net/usb/asix.c: Fix unaligned accesses (diff)
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rps: avoid one atomic in enqueue_to_backlog
If CONFIG_SMP=y, then we own a queue spinlock, we can avoid the atomic test_and_set_bit() from napi_schedule_prep(). We now have same number of atomic ops per netif_rx() calls than with pre-RPS kernel. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/sock.c')
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