linux-kernel - Re: [paulmck-rcu:slownmi.2023.01.19a] BUILD REGRESSION 06901681acde9854a9a9a337cebbf3ab537f4543

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Message-ID: <20230120154935.GH2948950@paulmck-ThinkPad-P17-Gen-1>
Date:   Fri, 20 Jan 2023 07:49:35 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     kernel test robot <lkp@...el.com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [paulmck-rcu:slownmi.2023.01.19a] BUILD REGRESSION
 06901681acde9854a9a9a337cebbf3ab537f4543

On Fri, Jan 20, 2023 at 10:20:21PM +0800, kernel test robot wrote:
> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git slownmi.2023.01.19a
> branch HEAD: 06901681acde9854a9a9a337cebbf3ab537f4543  x86/nmi: Test commit for delayed NMI handlers
> 
> Error/Warning reports:
> 
> https://lore.kernel.org/oe-kbuild-all/202301201335.5rpVzsvW-lkp@intel.com
> 
> Error/Warning: (recently discovered and may have been fixed)
> 
> ERROR: modpost: "dump_cpu_task" [kernel/rcu/rcutorture.ko] undefined!

Good catch as always, but this is a testing-only commit not destined
for mainline.  Except that now that you mention it, the next stage of
testing requires modules.

Will fix, and thank you!

							Thanx, Paul

> Error/Warning ids grouped by kconfigs:
> 
> gcc_recent_errors
> |-- i386-randconfig-a001
> |   `-- ERROR:dump_cpu_task-kernel-rcu-rcutorture.ko-undefined
> `-- s390-allmodconfig
>     `-- ERROR:dump_cpu_task-kernel-rcu-rcutorture.ko-undefined
> 
> elapsed time: 793m
> 
> configs tested: 66
> configs skipped: 2
> 
> gcc tested configs:
> x86_64                            allnoconfig
> um                             i386_defconfig
> um                           x86_64_defconfig
> x86_64                              defconfig
> x86_64                               rhel-8.3
> x86_64                           allyesconfig
> x86_64                           rhel-8.3-syz
> x86_64                           rhel-8.3-kvm
> x86_64                           rhel-8.3-bpf
> x86_64                         rhel-8.3-kunit
> x86_64                    rhel-8.3-kselftests
> x86_64                          rhel-8.3-func
> ia64                             allmodconfig
> arc                                 defconfig
> i386                          randconfig-a001
> s390                             allmodconfig
> arm                                 defconfig
> i386                          randconfig-a003
> alpha                               defconfig
> arm64                            allyesconfig
> i386                          randconfig-a005
> i386                                defconfig
> x86_64                        randconfig-a004
> arm                  randconfig-r046-20230119
> x86_64                        randconfig-a002
> s390                                defconfig
> arc                  randconfig-r043-20230119
> x86_64                        randconfig-a006
> m68k                             allmodconfig
> arm                              allyesconfig
> m68k                             allyesconfig
> alpha                            allyesconfig
> arc                              allyesconfig
> s390                             allyesconfig
> powerpc                           allnoconfig
> powerpc                          allmodconfig
> mips                             allyesconfig
> sh                               allmodconfig
> x86_64                        randconfig-a013
> x86_64                        randconfig-a011
> i386                          randconfig-a014
> x86_64                        randconfig-a015
> i386                          randconfig-a012
> i386                          randconfig-a016
> i386                             allyesconfig
> powerpc                  storcenter_defconfig
> sh                           se7722_defconfig
> riscv                               defconfig
> 
> clang tested configs:
> x86_64                          rhel-8.3-rust
> i386                          randconfig-a002
> i386                          randconfig-a004
> hexagon              randconfig-r041-20230119
> i386                          randconfig-a006
> x86_64                        randconfig-a001
> x86_64                        randconfig-a003
> hexagon              randconfig-r045-20230119
> x86_64                        randconfig-a005
> riscv                randconfig-r042-20230119
> s390                 randconfig-r044-20230119
> i386                          randconfig-a013
> x86_64                        randconfig-a012
> x86_64                        randconfig-a014
> x86_64                        randconfig-a016
> i386                          randconfig-a011
> i386                          randconfig-a015
> mips                      pic32mzda_defconfig
> 
> -- 
> 0-DAY CI Kernel Test Service
> https://01.org/lkp