tree 5ec18e56dc3321dda6e1fa76b08b32043f8c88e9
parent 13f5bf18ba657d2d17c8fcf584e50359c718dd4b
author David S. Miller <davem@davemloft.net> 1286263788 -0700
committer David S. Miller <davem@davemloft.net> 1286263788 -0700

net: relax rtnl_dereference()

rtnl_dereference() is used in contexts where RTNL is held, to fetch an
RCU protected pointer.

Updates to this pointer are prevented by RTNL, so we dont need
smp_read_barrier_depends() and the ACCESS_ONCE() provided in
rcu_dereference_check().

rtnl_dereference() is mainly a macro to document the locking invariant.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>