net: sched: RCU cls_tcindex
Make cls_tcindex RCU safe. This patch addds a new RCU routine rcu_dereference_bh_rtnl() to check caller either holds the rcu read lock or RTNL. This is needed to handle the case where tcindex_lookup() is being called in both cases. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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