diff options
| author | Julian Anastasov <ja@ssi.bg> | 2013-03-21 11:58:08 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-04-02 00:23:43 +0200 |
| commit | 276472eae063d717b775fdfc87529937402d0e08 (patch) | |
| tree | 666e19bc85d1d9d87147aa657e40f3868984be32 /tools/perf/scripts/python/futex-contention.py | |
| parent | 363c97d7435ebba8a040f86e29bdec79ee182f0c (diff) | |
ipvs: remove rs_lock by using RCU
rs_lock was used to protect rs_table (hash table)
from updaters (under global mutex) and readers (packet handlers).
We can remove rs_lock by using RCU lock for readers. Reclaiming
dest only with kfree_rcu is enough because the readers access
only fields from the ip_vs_dest structure.
Use hlist for rs_table.
As we are now using hlist_del_rcu, introduce in_rs_table
flag as replacement for the list_empty checks which do not
work with RCU. It is needed because only NAT dests are in
the rs_table.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off by: Hans Schillstrom <hans@schillstrom.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
0 files changed, 0 insertions, 0 deletions