On 11/16/20 7:30 AM, Jakub Kicinski wrote: > On Mon, 16 Nov 2020 15:31:21 +0100 Florian Westphal wrote: >>>> @@ -4151,12 +4150,11 @@ enum skb_ext_id { >>>> #if IS_ENABLED(CONFIG_MPTCP) >>>> SKB_EXT_MPTCP, >>>> #endif >>>> -#if IS_ENABLED(CONFIG_KCOV) >>>> SKB_EXT_KCOV_HANDLE, >>>> -#endif >>> >>> I don't think we should remove this #ifdef: the number of extensions are >>> currently limited to 8, we might not want to always have KCOV there even if >>> we don't want it. I think adding items in this enum only when needed was the >>> intension of Florian (+cc) when creating these SKB extensions. >>> Also, this will increase a tiny bit some structures, see "struct skb_ext()". >> >> Yes, I would also prefer to retrain the ifdef. >> >> Another reason was to make sure that any skb_ext_add(..., MY_EXT) gives >> a compile error if the extension is not enabled. > > Oh well, sorry for taking you down the wrong path Randy! No problem. So we are back to v2, right? Do I need to resend that one? thanks. -- ~Randy