[rcu:dev.2021.04.02a] BUILD REGRESSION 4bc4fd6b7e87ff0bdb1aa2493af85be2784717c0

From: kernel test robot
Date: Thu Apr 08 2021 - 08:11:08 EST


tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2021.04.02a
branch HEAD: 4bc4fd6b7e87ff0bdb1aa2493af85be2784717c0 rcu: Fix RCU priority boosting and add more debug output

Error/Warning reports:

https://lore.kernel.org/lkml/202104081002.GeatLTuT-lkp@xxxxxxxxx
https://lore.kernel.org/lkml/202104081118.JbLGAuB9-lkp@xxxxxxxxx

Error/Warning in current branch:

ia64-linux-ld: (.text+0xf9a2): undefined reference to `rcu_spawn_one_boost_kthread'
kernel/rcu/tree.h:420:13: warning: 'rcu_spawn_one_boost_kthread' used but never defined

possible Error/Warning in current branch:

arc-elf-ld: tree.c:(.text+0x60fe): undefined reference to `rcu_spawn_one_boost_kthread'
arc-elf-ld: tree.c:(.text+0x6ad6): undefined reference to `rcu_spawn_one_boost_kthread'
kernel/rcu/tree.c:4205: undefined reference to `rcu_spawn_one_boost_kthread'
kernel/rcu/tree.h:420:13: warning: function 'rcu_spawn_one_boost_kthread' has internal linkage but is not defined [-Wundefined-internal]
nds32le-linux-ld: tree.c:(.text+0x6afa): undefined reference to `rcu_spawn_one_boost_kthread'
tree.c:(.text+0x1b190): undefined reference to `rcu_spawn_one_boost_kthread'
tree.c:(.text+0x1b1b0): undefined reference to `rcu_spawn_one_boost_kthread'
tree.c:(.text+0x200c): undefined reference to `rcu_spawn_one_boost_kthread'
tree.c:(.text+0x24d6): undefined reference to `rcu_spawn_one_boost_kthread'
tree.c:(.text+0x3571): undefined reference to `rcu_spawn_one_boost_kthread'
tree.c:(.text+0x4756): undefined reference to `rcu_spawn_one_boost_kthread'
tree.c:(.text+0x492a): undefined reference to `rcu_spawn_one_boost_kthread'
tree.c:(.text+0x67c0): undefined reference to `rcu_spawn_one_boost_kthread'
tree.c:(.text+0x8110): undefined reference to `rcu_spawn_one_boost_kthread'
tree.c:(.text+0xb1fc): undefined reference to `rcu_spawn_one_boost_kthread'

Error/Warning ids grouped by kconfigs:

gcc_recent_errors
|-- alpha-allmodconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- alpha-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- alpha-randconfig-r026-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arc-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arc-axs101_defconfig
| |-- arc-elf-ld:tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arc-defconfig
| |-- arc-elf-ld:tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arc-randconfig-r012-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm-allmodconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm-defconfig
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- arm-keystone_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm-mvebu_v7_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm-omap2plus_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm-oxnas_v6_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm-randconfig-r033-20210407
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- arm-shmobile_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm-trizeps4_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm-u8500_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm64-allmodconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm64-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm64-defconfig
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- arm64-randconfig-c024-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm64-randconfig-r011-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm64-randconfig-r014-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm64-randconfig-r021-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm64-randconfig-r023-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm64-randconfig-r024-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- arm64-randconfig-r026-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- h8300-randconfig-c004-20210407
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- h8300-randconfig-r016-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-allmodconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-defconfig
| |-- kernel-rcu-tree.c:undefined-reference-to-rcu_spawn_one_boost_kthread
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-randconfig-a002-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-randconfig-a004-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-randconfig-a006-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-randconfig-a011-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-randconfig-a014-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-randconfig-a016-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-randconfig-c001-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-randconfig-r006-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- i386-randconfig-s002-20210407
| |-- kernel-rcu-tree.c:undefined-reference-to-rcu_spawn_one_boost_kthread
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- ia64-allmodconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- ia64-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- ia64-defconfig
| |-- ia64-linux-ld:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- ia64-randconfig-r014-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- ia64-randconfig-r015-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- ia64-randconfig-r033-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- ia64-randconfig-r035-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- microblaze-randconfig-r004-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- mips-allmodconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- mips-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- mips-bmips_be_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- mips-ci20_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- mips-loongson3_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- mips-maltaup_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- mips-nlm_xlr_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- mips-pistachio_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- nds32-defconfig
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- nds32le-linux-ld:tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- openrisc-allmodconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- openrisc-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- parisc-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- parisc-defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- parisc-randconfig-r022-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- parisc-randconfig-r032-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- powerpc-allmodconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- powerpc-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- powerpc-randconfig-r016-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- riscv-allmodconfig
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- riscv-allyesconfig
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- riscv-defconfig
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- riscv-nommu_k210_defconfig
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- riscv-nommu_k210_sdcard_defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- riscv-nommu_virt_defconfig
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- riscv-randconfig-s031-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- riscv-rv32_defconfig
| |-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
| `-- tree.c:(.text):undefined-reference-to-rcu_spawn_one_boost_kthread
|-- s390-allmodconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- s390-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- s390-defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- s390-randconfig-r014-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- s390-randconfig-r016-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- s390-randconfig-r023-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- sh-randconfig-c004-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- sh-randconfig-r013-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- sparc-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- sparc-randconfig-p001-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- sparc-randconfig-r011-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- sparc64-randconfig-r021-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- sparc64-randconfig-r025-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-allmodconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-allyesconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-defconfig
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-kexec
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-randconfig-a011-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-randconfig-a013-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-randconfig-a014-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-randconfig-a016-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-randconfig-c022-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-randconfig-c023-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-randconfig-s021-20210407
| |-- kernel-rcu-tree.c:undefined-reference-to-rcu_spawn_one_boost_kthread
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-rhel-8.3
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-rhel-8.3-kbuiltin
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- x86_64-rhel-8.3-kselftests
| |-- kernel-rcu-tree.c:undefined-reference-to-rcu_spawn_one_boost_kthread
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
|-- xtensa-randconfig-r011-20210407
| `-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined
`-- xtensa-randconfig-r035-20210407
`-- kernel-rcu-tree.h:warning:rcu_spawn_one_boost_kthread-used-but-never-defined

clang_recent_errors
`-- s390-randconfig-r034-20210407
`-- kernel-rcu-tree.h:warning:function-rcu_spawn_one_boost_kthread-has-internal-linkage-but-is-not-defined

elapsed time: 720m

configs tested: 112
configs skipped: 2

gcc tested configs:
arm defconfig
arm64 allyesconfig
arm64 defconfig
arm allyesconfig
arm allmodconfig
x86_64 allyesconfig
riscv allmodconfig
riscv allyesconfig
arm hackkit_defconfig
arm u8500_defconfig
mips bmips_be_defconfig
arm h5000_defconfig
mips loongson3_defconfig
ia64 allyesconfig
arc axs101_defconfig
powerpc chrp32_defconfig
arm keystone_defconfig
alpha allyesconfig
sh shmin_defconfig
mips ci20_defconfig
arm oxnas_v6_defconfig
powerpc ppc44x_defconfig
powerpc mpc5200_defconfig
arm omap2plus_defconfig
csky defconfig
arm mvebu_v7_defconfig
arm neponset_defconfig
m68k stmark2_defconfig
arm spear3xx_defconfig
arm colibri_pxa300_defconfig
sh kfr2r09_defconfig
arm footbridge_defconfig
xtensa alldefconfig
powerpc maple_defconfig
arm shmobile_defconfig
mips maltaup_defconfig
riscv nommu_k210_sdcard_defconfig
mips malta_kvm_guest_defconfig
powerpc tqm8xx_defconfig
powerpc tqm8541_defconfig
mips ar7_defconfig
powerpc fsp2_defconfig
um allyesconfig
nios2 3c120_defconfig
powerpc ppc40x_defconfig
mips nlm_xlr_defconfig
sh ap325rxa_defconfig
powerpc mpc832x_mds_defconfig
powerpc bamboo_defconfig
arm iop32x_defconfig
mips pistachio_defconfig
arm trizeps4_defconfig
ia64 allmodconfig
ia64 defconfig
m68k allmodconfig
m68k defconfig
m68k allyesconfig
nios2 defconfig
arc allyesconfig
nds32 allnoconfig
nds32 defconfig
nios2 allyesconfig
alpha defconfig
xtensa allyesconfig
h8300 allyesconfig
arc defconfig
sh allmodconfig
parisc defconfig
s390 allyesconfig
s390 allmodconfig
parisc allyesconfig
s390 defconfig
i386 allyesconfig
sparc allyesconfig
sparc defconfig
i386 defconfig
mips allyesconfig
mips allmodconfig
powerpc allyesconfig
powerpc allmodconfig
powerpc allnoconfig
i386 randconfig-a006-20210407
i386 randconfig-a003-20210407
i386 randconfig-a001-20210407
i386 randconfig-a004-20210407
i386 randconfig-a002-20210407
i386 randconfig-a005-20210407
x86_64 randconfig-a014-20210407
x86_64 randconfig-a015-20210407
x86_64 randconfig-a013-20210407
x86_64 randconfig-a011-20210407
x86_64 randconfig-a012-20210407
x86_64 randconfig-a016-20210407
i386 randconfig-a014-20210407
i386 randconfig-a011-20210407
i386 randconfig-a016-20210407
i386 randconfig-a012-20210407
i386 randconfig-a015-20210407
i386 randconfig-a013-20210407
riscv nommu_k210_defconfig
riscv nommu_virt_defconfig
riscv allnoconfig
riscv defconfig
riscv rv32_defconfig
um allmodconfig
um allnoconfig
um defconfig
x86_64 rhel-8.3-kselftests
x86_64 defconfig
x86_64 rhel-8.3
x86_64 rhel-8.3-kbuiltin
x86_64 kexec

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx