linux-kernel - WARNING: modpost: "csum_partial" [lib/checksum

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Message-ID: <202501192246.9Jy3L3Gy-lkp@intel.com>
Date: Sun, 19 Jan 2025 22:37:41 +0800
From: kernel test robot <lkp@...el.com>
To: Noah Goldstein <goldstein.w.n@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Dave Hansen <dave.hansen@...ux.intel.com>
Subject: WARNING: modpost: "csum_partial" [lib/checksum_kunit.ko] has no CRC!

Hi Noah,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   fda5e3f284002ea55dac1c98c1498d6dd684046e
commit: 688eb8191b475db5acfd48634600b04fd3dda9ad x86/csum: Improve performance of `csum_partial`
date:   1 year, 8 months ago
config: um-randconfig-r053-20231219 (https://download.01.org/0day-ci/archive/20250119/202501192246.9Jy3L3Gy-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250119/202501192246.9Jy3L3Gy-lkp@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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501192246.9Jy3L3Gy-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: EXPORT symbol "cmpxchg8b_emu" [vmlinux] version generation failed, symbol will not be versioned.
Is "cmpxchg8b_emu" prototyped in <asm/asm-prototypes.h>?
WARNING: modpost: EXPORT symbol "csum_partial" [vmlinux] version generation failed, symbol will not be versioned.
Is "csum_partial" prototyped in <asm/asm-prototypes.h>?
>> WARNING: modpost: "csum_partial" [lib/checksum_kunit.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/netfilter/nf_tables.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/netfilter/ipvs/ip_vs.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/ipv4/netfilter/nf_nat_snmp_basic.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/ipv6/netfilter/nf_defrag_ipv6.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/ipv6/netfilter/nf_reject_ipv6.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/ipv6/netfilter/ip6t_NPT.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/wireless/cfg80211.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/bridge/bridge.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/mac80211/mac80211.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/openvswitch/openvswitch.ko] has no CRC!
WARNING: modpost: "csum_partial" [net/nsh/nsh.ko] has no CRC!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki