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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-04-27 06:22:01 +0000
committerDavid S. Miller <davem@davemloft.net>2010-04-27 12:39:01 -0700
commit7ec75c582e639d956ce3afd499f67febe6f902a4 (patch)
tree4752d1cc90ab385797d526cb901e42f27e3b20f6 /drivers/net/ks8851.c
parentd4c4f07df16c767b8efbc44e7cdf795fac326b33 (diff)
net: suppress RCU lockdep false positive in twsk_net()
Calls to twsk_net() are in some cases protected by reference counting as an alternative to RCU protection. Cases covered by reference counts include __inet_twsk_kill(), inet_twsk_free(), inet_twdr_do_twkill_work(), inet_twdr_twcal_tick(), and tcp_timewait_state_process(). RCU is used by inet_twsk_purge(). Locking is used by established_get_first() and established_get_next(). Finally, __inet_twsk_hashdance() is an initialization case. It appears to be non-trivial to locate the appropriate locks and reference counts from within twsk_net(), so used rcu_dereference_raw(). Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ks8851.c')
0 files changed, 0 insertions, 0 deletions