On Tue, Aug 18, 2020 at 6:20 AM Cong Wang <xiyou.wangc...@gmail.com> wrote: > > On Mon, Aug 17, 2020 at 2:39 PM David Miller <da...@davemloft.net> wrote: > > > > From: Cong Wang <xiyou.wangc...@gmail.com> > > Date: Mon, 17 Aug 2020 13:59:46 -0700 > > > > > Is this a new Kconfig feature? ipv6_stub was introduced for > > > VXLAN, at that time I don't remember we have such kind of > > > Kconfig rules, otherwise it would not be needed. > > > > The ipv6_stub exists in order to allow the troublesome > > "ipv6=m && feature_using_ipv6=y" combination. For certain code, instead of IS_ENABLE(), use IS_REACHABLE().
> > Hmm, so "IPV6=m && TIPC=y" is not a concern here as you pick > this patch over adding a ipv6_stub? > This is more a question for TIPC users. Hi, Jon and Ying, Have you met any users having "IPV6=m && TIPC=y" in their kernels?