Re: [paulmck-rcu:dev.2023.02.03a] BUILD REGRESSION c722c164d799860f1a31c82e001221df13dccede

[Paul E. McKenney]

On Sun, Feb 05, 2023 at 10:18:31AM +0800, kernel test robot wrote:
> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2023.02.03a
> branch HEAD: c722c164d799860f1a31c82e001221df13dccede  locktorture: With nested locks, occasionally skip main lock
> 
> Error/Warning reports:
> 
> https://lore.kernel.org/oe-kbuild-all/202302021723.ucm8d559-lkp@xxxxxxxxx
> https://lore.kernel.org/oe-kbuild-all/202302021724.SF7KLCrw-lkp@xxxxxxxxx
> 
> Error/Warning: (recently discovered and may have been fixed)
> 
> arch/loongarch/kernel/process.c:67:1: warning: 'noreturn' function does return
> arch/powerpc/kernel/smp.c:1768:1: warning: function declared 'noreturn' should not return [-Winvalid-noreturn]
> net/netfilter/ipvs/ip_vs_est.c:552:15: error: too few arguments provided to function-like macro invocation
> net/netfilter/ipvs/ip_vs_est.c:552:17: error: 'kfree_rcu' undeclared (first use in this function); did you mean 'kfree_skb'?
> net/netfilter/ipvs/ip_vs_est.c:552:29: error: macro "kfree_rcu" requires 2 arguments, but only 1 given
> net/netfilter/ipvs/ip_vs_est.c:552:3: error: use of undeclared identifier 'kfree_rcu'; did you mean 'kfree_skb'?

These are due to a patch that has been handed off to its maintainer,
and should be fixed once that is in place.

As always, thank you for your testing efforts!

							Thanx, Paul

> Error/Warning ids grouped by kconfigs:
> 
> gcc_recent_errors
> |-- loongarch-buildonly-randconfig-r002-20230204
> |   `-- arch-loongarch-kernel-process.c:warning:noreturn-function-does-return
> |-- m68k-randconfig-r002-20230205
> |   |-- net-netfilter-ipvs-ip_vs_est.c:error:kfree_rcu-undeclared-(first-use-in-this-function)
> |   `-- net-netfilter-ipvs-ip_vs_est.c:error:macro-kfree_rcu-requires-arguments-but-only-given
> `-- sparc-allyesconfig
>     |-- net-netfilter-ipvs-ip_vs_est.c:error:kfree_rcu-undeclared-(first-use-in-this-function)
>     `-- net-netfilter-ipvs-ip_vs_est.c:error:macro-kfree_rcu-requires-arguments-but-only-given
> clang_recent_errors
> |-- powerpc-randconfig-r003-20230204
> |   `-- arch-powerpc-kernel-smp.c:warning:function-declared-noreturn-should-not-return
> |-- powerpc-randconfig-r033-20230204
> |   `-- arch-powerpc-kernel-smp.c:warning:function-declared-noreturn-should-not-return
> `-- s390-randconfig-r044-20230205
>     |-- net-netfilter-ipvs-ip_vs_est.c:error:too-few-arguments-provided-to-function-like-macro-invocation
>     `-- net-netfilter-ipvs-ip_vs_est.c:error:use-of-undeclared-identifier-kfree_rcu
> 
> elapsed time: 1560m
> 
> configs tested: 66
> configs skipped: 2
> 
> gcc tested configs:
> x86_64                            allnoconfig
> arc                                 defconfig
> s390                             allmodconfig
> alpha                               defconfig
> um                             i386_defconfig
> s390                                defconfig
> um                           x86_64_defconfig
> s390                             allyesconfig
> powerpc                           allnoconfig
> ia64                             allmodconfig
> x86_64                        randconfig-a004
> x86_64                        randconfig-a002
> x86_64                        randconfig-a006
> sh                               allmodconfig
> mips                             allyesconfig
> powerpc                          allmodconfig
> m68k                             allmodconfig
> alpha                            allyesconfig
> m68k                             allyesconfig
> arc                              allyesconfig
> x86_64                           rhel-8.3-syz
> x86_64                         rhel-8.3-kunit
> x86_64                           rhel-8.3-kvm
> x86_64                           rhel-8.3-bpf
> arc                  randconfig-r043-20230204
> s390                 randconfig-r044-20230204
> riscv                randconfig-r042-20230204
> x86_64                              defconfig
> x86_64                               rhel-8.3
> x86_64                           allyesconfig
> x86_64                    rhel-8.3-kselftests
> x86_64                          rhel-8.3-func
> x86_64                        randconfig-a013
> i386                          randconfig-a001
> x86_64                        randconfig-a011
> i386                          randconfig-a003
> x86_64                        randconfig-a015
> i386                          randconfig-a005
> i386                                defconfig
> i386                             allyesconfig
> i386                          randconfig-a014
> i386                          randconfig-a012
> i386                          randconfig-a016
> arc                  randconfig-r043-20230205
> arm                  randconfig-r046-20230205
> arm                                 defconfig
> 
> clang tested configs:
> x86_64                        randconfig-a001
> x86_64                        randconfig-a003
> x86_64                        randconfig-a005
> hexagon              randconfig-r041-20230204
> arm                  randconfig-r046-20230204
> hexagon              randconfig-r045-20230204
> x86_64                          rhel-8.3-rust
> x86_64                        randconfig-a014
> x86_64                        randconfig-a012
> i386                          randconfig-a002
> i386                          randconfig-a004
> x86_64                        randconfig-a016
> i386                          randconfig-a006
> i386                          randconfig-a013
> i386                          randconfig-a011
> i386                          randconfig-a015
> hexagon              randconfig-r045-20230205
> hexagon              randconfig-r041-20230205
> riscv                randconfig-r042-20230205
> s390                 randconfig-r044-20230205
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests