Hello Vadim, On Thu, Sep 12, 2024 at 02:32:55PM +0100, Vadim Fedorenko wrote: > On 12/09/2024 14:17, Breno Leitao wrote: > > @@ -72,6 +73,7 @@ static netdev_tx_t netkit_xmit(struct sk_buff *skb, struct net_device *dev) > > struct net_device *peer; > > int len = skb->len; > > + bpf_net_ctx = bpf_net_ctx_set(&__bpf_net_ctx); > > rcu_read_lock(); > > Hi Breno, > > looks like bpf_net_ctx should be set under rcu read lock... Why exactly? I saw in some examples where bpf_net_ctx_set() was set inside the rcu_read_lock(), but, I was not able to come up with justification to do the same. Would you mind elaborating why this might be needed inside the lock? Thanks for the review, --breno
