Re: [RFC nf-next v2 1/2] netfilter: bpf: support prog update

D. Wythe
2023-12-20T12:40:23Z

On 12/19/23 10:58 PM, Florian Westphal wrote:
> D. Wythe <alibuda@linux.alibaba.com> wrote:
>> net/netfilter/nf_bpf_link.c:31:22: note: in expansion of macro
>> ‘rcu_dereference’
>>    31 |  return bpf_prog_run(rcu_dereference((const struct bpf_prog __rcu
>> *)nf_link->link.prog), &ctx);
>>       |                      ^~~~~~~~~~~~~~~
>>
>> So, I think we might need to go back to version 1.
>>
>> @ Florian , what do you think ?
> Use rcu_dereference_raw().

Got it. I'm also good with that.

D. Wythe