Lorenzo Bianconi <lorenzo@xxxxxxxxxx> writes:
>> > + rcu_read_lock();
>>
>> This is not needed when the function is only being called from XDP...
>
> don't we need it since we do not hold the rtnl here?
No. XDP programs always run under local_bh_disable() which "counts" as
an rcu_read_lock(); I did some cleanup around this a while ago, see this
commit for a longer explanation:
782347b6bcad ("xdp: Add proper __rcu annotations to redirect map entries")
-Toke
