linux-kernel - Re: linux-next: Tree for Sep 17 (netdevice.h: net_has_fallback

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Date:   Thu, 17 Sep 2020 13:33:05 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Mahesh Bandewar <maheshb@...gle.com>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: linux-next: Tree for Sep 17 (netdevice.h:
 net_has_fallback_tunnels when SYSCTL is not set)

On 9/17/20 3:23 AM, Stephen Rothwell wrote:
> Hi all,
> 
> Changes since 20200916:
> 

I am seeing build errors when CONFIG_SYSCTL is not set:

ld: net/ipv4/ip_tunnel.o: in function `ip_tunnel_init_net':
ip_tunnel.c:(.text+0x2ea0): undefined reference to `sysctl_fb_tunnels_only_for_init_net'
ld: net/ipv6/ip6_vti.o: in function `vti6_init_net':
ip6_vti.c:(.text+0x1b56): undefined reference to `sysctl_fb_tunnels_only_for_init_net'
ld: net/ipv6/sit.o: in function `sit_init_net':
sit.c:(.text+0x4568): undefined reference to `sysctl_fb_tunnels_only_for_init_net'
ld: net/ipv6/ip6_tunnel.o: in function `ip6_tnl_init_net':
ip6_tunnel.c:(.text+0x27d6): undefined reference to `sysctl_fb_tunnels_only_for_init_net'
ld: net/ipv6/ip6_gre.o: in function `ip6gre_init_net':
ip6_gre.c:(.text+0x3a5e): undefined reference to `sysctl_fb_tunnels_only_for_init_net'

due to 316cdaa1158af:

commit 316cdaa1158af17250397054f92bb339fbd8e282
Author: Mahesh Bandewar <maheshb@...gle.com>
Date:   Wed Aug 26 09:05:35 2020 -0700

    net: add option to not create fall-back tunnels in root-ns as well


This was first reported to netdev@ on Sept. 02 but Mahesh was not cc-ed
on that report.


-- 
~Randy
Reported-by: Randy Dunlap <rdunlap@...radead.org>