On 8/28/20 8:09 AM, Sven Joachim wrote: > On 2020-08-27 11:12 -0700, Brian Vazquez wrote: > >> I've been trying to reproduce it with your config but I didn't >> succeed. I also looked at the file after the preprocessor and it >> looked good: >> >> ret = ({ __builtin_expect(!!(ops->match == fib6_rule_match), 1) ? >> fib6_rule_match(rule, fl, flags) : ops->match(rule, fl, flags); }) > > However, in my configuration I have CONFIG_IPV6=m, and so > fib6_rule_match is not available as a builtin. I think that's why ld is > complaining about the undefined reference. Same here FWIW. CONFIG_IPV6=m. > Changing the configuration to CONFIG_IPV6=y helps, FWIW. > >> Note that fib4_rule_match doesn't appear as the >> CONFIG_IP_MULTIPLE_TABLES is not there. >> >> Could you share more details on how you're compiling it and what >> compiler you're using?? > > Tried with both gcc 9 and gcc 10 under Debian unstable, binutils 2.35. > I usually use "make bindebpkg", but just running "make" is sufficient to > reproduce the problem, as it happens when linking vmlinux. > > Cheers, > Sven > > >> On Mon, Aug 24, 2020 at 1:08 AM Sven Joachim <svenjoac@xxxxxx> wrote: >>> >>> On 2020-08-22 08:16 +0200, Sven Joachim wrote: >>> >>>> On 2020-08-21 09:23 -0700, Brian Vazquez wrote: >>>> >>>>> Hi Sven, >>>>> >>>>> Sorry for the late reply, did you still see this after: >>>>> https://patchwork.ozlabs.org/project/netdev/patch/20200803131948.41736-1-yuehaibing@xxxxxxxxxx/ >>>>> ?? >>>> >>>> That patch is apparently already in 5.9-rc1 as commit 80fbbb1672e7, so >>>> yes I'm still seeing it. >>> >>> Still present in 5.9-rc2 as of today, I have attached my .config for >>> reference. Note that I have CONFIG_IPV6_MULTIPLE_TABLES=y, but >>> CONFIG_IP_MULTIPLE_TABLES is not mentioned at all there. >>> >>> To build the kernel, I have now deselected IPV6_MULTIPLE_TABLES. Not >>> sure why this was enabled in my .config which has grown organically over >>> many years. >>> >>> Cheers, >>> Sven >>> >>> >>>>> On Mon, Aug 17, 2020 at 12:21 AM Sven Joachim <svenjoac@xxxxxx> wrote: >>>>> >>>>>> On 2020-07-29 21:27 +1000, Stephen Rothwell wrote: >>>>>> >>>>>>> Hi all, >>>>>>> >>>>>>> After merging the net-next tree, today's linux-next build (i386 >>>>>> defconfig) >>>>>>> failed like this: >>>>>>> >>>>>>> x86_64-linux-gnu-ld: net/core/fib_rules.o: in function >>>>>> `fib_rules_lookup': >>>>>>> fib_rules.c:(.text+0x5c6): undefined reference to `fib6_rule_match' >>>>>>> x86_64-linux-gnu-ld: fib_rules.c:(.text+0x5d8): undefined reference to >>>>>> `fib6_rule_match' >>>>>>> x86_64-linux-gnu-ld: fib_rules.c:(.text+0x64d): undefined reference to >>>>>> `fib6_rule_action' >>>>>>> x86_64-linux-gnu-ld: fib_rules.c:(.text+0x662): undefined reference to >>>>>> `fib6_rule_action' >>>>>>> x86_64-linux-gnu-ld: fib_rules.c:(.text+0x67a): undefined reference to >>>>>> `fib6_rule_suppress' >>>>>>> x86_64-linux-gnu-ld: fib_rules.c:(.text+0x68d): undefined reference to >>>>>> `fib6_rule_suppress' >>>>>> >>>>>> FWIW, I saw these errors in 5.9-rc1 today, so the fix in commit >>>>>> 41d707b7332f ("fib: fix fib_rules_ops indirect calls wrappers") was >>>>>> apparently not sufficient. >>>>>> >>>>>> ,---- >>>>>> | $ grep IPV6 .config >>>>>> | CONFIG_IPV6=m >>>>>> | # CONFIG_IPV6_ROUTER_PREF is not set >>>>>> | # CONFIG_IPV6_OPTIMISTIC_DAD is not set >>>>>> | # CONFIG_IPV6_MIP6 is not set >>>>>> | # CONFIG_IPV6_ILA is not set >>>>>> | # CONFIG_IPV6_VTI is not set >>>>>> | CONFIG_IPV6_SIT=m >>>>>> | # CONFIG_IPV6_SIT_6RD is not set >>>>>> | CONFIG_IPV6_NDISC_NODETYPE=y >>>>>> | CONFIG_IPV6_TUNNEL=m >>>>>> | CONFIG_IPV6_MULTIPLE_TABLES=y >>>>>> | # CONFIG_IPV6_SUBTREES is not set >>>>>> | # CONFIG_IPV6_MROUTE is not set >>>>>> | # CONFIG_IPV6_SEG6_LWTUNNEL is not set >>>>>> | # CONFIG_IPV6_SEG6_HMAC is not set >>>>>> | # CONFIG_IPV6_RPL_LWTUNNEL is not set >>>>>> | # CONFIG_NF_SOCKET_IPV6 is not set >>>>>> | # CONFIG_NF_TPROXY_IPV6 is not set >>>>>> | # CONFIG_NF_DUP_IPV6 is not set >>>>>> | # CONFIG_NF_REJECT_IPV6 is not set >>>>>> | # CONFIG_NF_LOG_IPV6 is not set >>>>>> | CONFIG_NF_DEFRAG_IPV6=m >>>>>> `---- >>>>>> >>>>>>> Caused by commit >>>>>>> >>>>>>> b9aaec8f0be5 ("fib: use indirect call wrappers in the most common >>>>>> fib_rules_ops") >>>>>>> >>>>>>> # CONFIG_IPV6_MULTIPLE_TABLES is not set >>>>>>> >>>>>>> I have reverted that commit for today. >>>>>> >>>>>> Cheers, >>>>>> Sven -- ~Randy