For the XDP bonding slave lookup to work in the NAPI poll context in which the redudant rcu_read_lock() has been removed we have to follow the same approach as in [1] and modify the WARN_ON to also check rcu_read_lock_bh_held(). [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=694cea395fded425008e93cd90cfdf7a451674af Signed-off-by: Jussi Maki <joamaki@xxxxxxxxx> --- net/core/dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/dev.c b/net/core/dev.c index 05aac85b2bbc..27f95aeddc59 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -7569,7 +7569,7 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev, { struct netdev_adjacent *lower; - WARN_ON_ONCE(!rcu_read_lock_held()); + WARN_ON_ONCE(!rcu_read_lock_held() && !rcu_read_lock_bh_held()); lower = list_entry_rcu((*iter)->next, struct netdev_adjacent, list); -- 2.27.0
