Merge branch 'gro-remove-redundant-rcu_read_lock'

Eric Dumazet says:

====================
gro: remove redundant rcu_read_lock

Recent trees got an increase of rcu_read_{lock|unlock} costs,
it is time to get rid of the not needed pairs.
====================

Link: https://lore.kernel.org/r/20211123225608.2155163-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>