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author | 2012-08-24 05:40:47 +0000 | |
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committer | 2012-08-24 11:47:48 -0400 | |
commit | 78df76a065ae3b5dbcb9a29912adc02f697de498 (patch) | |
tree | 5b9ab36790a2e0101a15d70bdf41b066ce0e55aa /tools/perf/scripts/python/export-to-postgresql.py | |
parent | af_packet: match_fanout_group() can be static (diff) | |
download | linux-dev-78df76a065ae3b5dbcb9a29912adc02f697de498.tar.xz linux-dev-78df76a065ae3b5dbcb9a29912adc02f697de498.zip |
ipv4: take rt_uncached_lock only if needed
Multicast traffic allocates dst with DST_NOCACHE, but dst is
not inserted into rt_uncached_list.
This slowdown multicast workloads on SMP because rt_uncached_lock is
contended.
Change the test before taking the lock to actually check the dst
was inserted into rt_uncached_list.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions