On Wed, Jun 05, 2024 at 08:29:22AM GMT, kernel test robot wrote:
> Hi Adrian,
>
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on net-next/main]
>
> url:
> https://github.com/intel-lab-lkp/linux/commits/Adrian-Moreno/net-psample-add-user-cookie/20240604-030055
> base: net-next/main
> patch link:
> https://lore.kernel.org/r/20240603185647.2310748-6-amorenoz%40redhat.com
> patch subject: [PATCH net-next v2 5/9] net: openvswitch: add emit_sample
> action
> config: s390-randconfig-002-20240605
> (https://download.01.org/0day-ci/archive/20240605/202406050852.hdtfsko0-...@intel.com/config)
> compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project
> d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a)
> reproduce (this is a W=1 build):
> (https://download.01.org/0day-ci/archive/20240605/202406050852.hdtfsko0-...@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version
> of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <l...@intel.com>
> | Closes:
> https://lore.kernel.org/oe-kbuild-all/202406050852.hdtfsko0-...@intel.com/
>
> All errors (new ones prefixed by >>):
>
> s390x-linux-ld: net/openvswitch/actions.o: in function
> `do_execute_actions':
> >> actions.c:(.text+0x1d5c): undefined reference to `psample_sample_packet'
>
Thanks robot!
OK, I think I know what's wrong. There is an optional dependency with
PSAMPLE. Openvswitch module does compile without PSAMPLE but there is a
link error if OPENVSWITCH=y and PSAMPLE=m.
Looking into how to express this in the Kconfig, I'm planning to add the
following to the next version of the series.
diff --git a/net/openvswitch/Kconfig b/net/openvswitch/Kconfig
index 29a7081858cd..2535f3f9f462 100644
--- a/net/openvswitch/Kconfig
+++ b/net/openvswitch/Kconfig
@@ -10,6 +10,7 @@ config OPENVSWITCH
(NF_CONNTRACK && ((!NF_DEFRAG_IPV6 || NF_DEFRAG_IPV6) && \
(!NF_NAT || NF_NAT) && \
(!NETFILTER_CONNCOUNT ||
NETFILTER_CONNCOUNT)))
+ depends on PSAMPLE || !PSAMPLE
select LIBCRC32C
select MPLS
select NET_MPLS_GSO
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