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| author |   Eric Dumazet <edumazet@google.com> | 2014-10-05 12:35:15 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-10-06 01:04:15 -0400 |
| commit | fb1843ee72c7b2ed784bf88ad79c6ccc2f652499 (patch) | |
| tree | 139741643875150cd8cc289b92790b63dcd73f3c /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | net/mlx4_en: Use prefetch in tx path (diff) | |
| download | linux-dev-fb1843ee72c7b2ed784bf88ad79c6ccc2f652499.tar.xz linux-dev-fb1843ee72c7b2ed784bf88ad79c6ccc2f652499.zip | |
net/mlx4_en: Avoid false sharing in mlx4_en_en_process_tx_cq()
mlx4_en_process_tx_cq() carefully fetches and writes ring->last_nr_txbb
and ring->cons only one time to avoid false sharing
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions