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Wei Yongjun authored
macvlan_hash_lookup() uses list_for_each_entry_rcu() for traversing should either under RCU in fast path or the protection of rtnl_mutex. In the case of holding RTNL, we should add the corresponding lockdep expression to silence the following false-positive warning: ============================= WARNING: suspicious RCU usage 5.7.0-rc1-next-20200416-00003-ga3b8d28bc #1 Not tainted ----------------------------- drivers/net/macvlan.c:126 RCU-list traversed in non-reader section!! Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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