[paulmck-rcu:dev.2022.01.04a] BUILD REGRESSION 64595d0dff992756e8c6d53c0e9f1e3e50c451f7

From: kernel test robot
Date: Sat Jan 08 2022 - 11:10:05 EST


tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2022.01.04a
branch HEAD: 64595d0dff992756e8c6d53c0e9f1e3e50c451f7 squash! EXP timers: Non-nohz_full last-resort jiffies update on IRQ entry

Error/Warning reports:

https://lore.kernel.org/lkml/202201080834.rGuSv2SS-lkp@xxxxxxxxx
https://lore.kernel.org/lkml/202201081127.geEljsMv-lkp@xxxxxxxxx
https://lore.kernel.org/lkml/202201081735.gNXE7dpe-lkp@xxxxxxxxx
https://lore.kernel.org/lkml/202201082041.wv0NluSe-lkp@xxxxxxxxx

Error/Warning in current branch:

kernel/stop_machine.c:207:13: warning: variable 't' set but not used [-Wunused-but-set-variable]
kernel/stop_machine.c:207:6: warning: variable 't' set but not used [-Wunused-but-set-variable]
kernel/time/timer.c:1776:6: warning: no previous prototype for 'tick_setup_sched_timer_dump' [-Wmissing-prototypes]
kernel/time/timer.c:1776:6: warning: no previous prototype for function 'tick_setup_sched_timer_dump' [-Wmissing-prototypes]

possible Error/Warning in current branch (please contact us if interested):

(.text.cpu_hp_check_delay+0x200): undefined reference to `__udivdi3'
(.text.cpu_hp_start_now+0x94): undefined reference to `__udivdi3'
(.text.cpu_hp_stop_now+0xf4): undefined reference to `__udivdi3'
arch/x86/kernel/kvm.c:318:2: error: implicit declaration of function 'cpu_hp_check_delay' [-Werror,-Wimplicit-function-declaration]
arch/x86/kernel/kvm.c:319:2: error: implicit declaration of function 'cpu_hp_stop_now' [-Werror,-Wimplicit-function-declaration]
arch/x86/kernel/kvmclock.c:194:2: error: implicit declaration of function 'cpu_hp_start_now' [-Werror,-Wimplicit-function-declaration]
kernel/cpu.c:145:6: warning: no previous prototype for function 'cpu_hp_start_now' [-Wmissing-prototypes]
kernel/cpu.c:154:6: warning: no previous prototype for function 'cpu_hp_stop_now' [-Wmissing-prototypes]
kernel/cpu.c:166:6: warning: no previous prototype for function 'cpu_hp_check_delay' [-Wmissing-prototypes]
kernel/stop_machine.c:209:2: error: implicit declaration of function 'tick_setup_sched_timer_dump' [-Werror,-Wimplicit-function-declaration]
kernel/stop_machine.c:255:7: error: implicit declaration of function 'cpu_hp_check_delay' [-Werror,-Wimplicit-function-declaration]
kernel/stop_machine.c:256:4: error: implicit declaration of function 'tick_setup_sched_timer_dump' [-Werror,-Wimplicit-function-declaration]
kernel/stop_machine.c:290:7: error: implicit declaration of function 'cpu_hp_check_delay' [-Werror,-Wimplicit-function-declaration]
mips-linux-ld: (.text.cpu_hp_stop_now+0x120): undefined reference to `__udivdi3'
mips-linux-ld: cpu.c:(.text+0x15e0): undefined reference to `__udivdi3'

Error/Warning ids grouped by kconfigs:

gcc_recent_errors
|-- alpha-allyesconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- alpha-buildonly-randconfig-r004-20220108
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- alpha-defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- arc-allyesconfig
| |-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- arc-defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- arc-randconfig-r006-20220108
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- arc-randconfig-r023-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- arc-randconfig-r043-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- arm-allmodconfig
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- arm-allyesconfig
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- arm-defconfig
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- arm-randconfig-c002-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- arm64-allyesconfig
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- arm64-defconfig
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- csky-defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- h8300-allyesconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- h8300-randconfig-r021-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- i386-randconfig-a002-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- i386-randconfig-a004-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- i386-randconfig-a005-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- i386-randconfig-a006-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- m68k-allmodconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- m68k-allyesconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- m68k-buildonly-randconfig-r002-20220108
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- m68k-defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- microblaze-randconfig-r012-20220108
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- mips-allmodconfig
| |-- (.text.cpu_hp_check_delay):undefined-reference-to-__udivdi3
| |-- (.text.cpu_hp_start_now):undefined-reference-to-__udivdi3
| |-- (.text.cpu_hp_stop_now):undefined-reference-to-__udivdi3
| `-- mips-linux-ld:(.text.cpu_hp_stop_now):undefined-reference-to-__udivdi3
|-- mips-bmips_be_defconfig
| `-- mips-linux-ld:cpu.c:(.text):undefined-reference-to-__udivdi3
|-- nds32-allyesconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- nds32-defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- nios2-allyesconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- nios2-buildonly-randconfig-r001-20220108
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- openrisc-randconfig-r026-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- openrisc-randconfig-r035-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- parisc-randconfig-r001-20220108
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- parisc-randconfig-r015-20220108
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- powerpc-randconfig-r036-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- powerpc-sam440ep_defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- riscv-allnoconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- riscv-nommu_k210_defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- riscv-nommu_k210_sdcard_defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- riscv-nommu_virt_defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- s390-buildonly-randconfig-r005-20220108
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- sh-allmodconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- sparc-defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- sparc64-randconfig-r025-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- um-allnoconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- um-i386_defconfig
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- x86_64-allyesconfig
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- x86_64-defconfig
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- x86_64-kexec
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- x86_64-randconfig-a001-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- x86_64-randconfig-a003-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- x86_64-randconfig-a004-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- x86_64-randconfig-a005-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- x86_64-randconfig-a006-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- x86_64-randconfig-m001-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump
|-- x86_64-rhel-8.3
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- x86_64-rhel-8.3-func
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
`-- xtensa-allyesconfig
`-- kernel-time-timer.c:warning:no-previous-prototype-for-tick_setup_sched_timer_dump

clang_recent_errors
|-- arm-randconfig-r034-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-function-tick_setup_sched_timer_dump
|-- arm64-randconfig-r024-20220107
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_check_delay
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_start_now
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_stop_now
| |-- kernel-stop_machine.c:error:implicit-declaration-of-function-cpu_hp_check_delay-Werror-Wimplicit-function-declaration
| `-- kernel-stop_machine.c:error:implicit-declaration-of-function-tick_setup_sched_timer_dump-Werror-Wimplicit-function-declaration
|-- hexagon-randconfig-r011-20220108
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_check_delay
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_start_now
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_stop_now
| |-- kernel-stop_machine.c:error:implicit-declaration-of-function-cpu_hp_check_delay-Werror-Wimplicit-function-declaration
| |-- kernel-stop_machine.c:error:implicit-declaration-of-function-tick_setup_sched_timer_dump-Werror-Wimplicit-function-declaration
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-function-tick_setup_sched_timer_dump
|-- hexagon-randconfig-r023-20220107
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_check_delay
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_start_now
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_stop_now
| |-- kernel-stop_machine.c:error:implicit-declaration-of-function-cpu_hp_check_delay-Werror-Wimplicit-function-declaration
| `-- kernel-stop_machine.c:error:implicit-declaration-of-function-tick_setup_sched_timer_dump-Werror-Wimplicit-function-declaration
|-- hexagon-randconfig-r041-20220107
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_check_delay
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_start_now
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_stop_now
| |-- kernel-stop_machine.c:error:implicit-declaration-of-function-cpu_hp_check_delay-Werror-Wimplicit-function-declaration
| |-- kernel-stop_machine.c:error:implicit-declaration-of-function-tick_setup_sched_timer_dump-Werror-Wimplicit-function-declaration
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-function-tick_setup_sched_timer_dump
|-- hexagon-randconfig-r045-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-function-tick_setup_sched_timer_dump
|-- riscv-randconfig-r042-20220107
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_check_delay
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_start_now
| |-- kernel-cpu.c:warning:no-previous-prototype-for-function-cpu_hp_stop_now
| |-- kernel-stop_machine.c:error:implicit-declaration-of-function-cpu_hp_check_delay-Werror-Wimplicit-function-declaration
| |-- kernel-stop_machine.c:error:implicit-declaration-of-function-tick_setup_sched_timer_dump-Werror-Wimplicit-function-declaration
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-function-tick_setup_sched_timer_dump
|-- s390-randconfig-r026-20220107
| `-- kernel-stop_machine.c:warning:variable-t-set-but-not-used
|-- x86_64-randconfig-a013-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-function-tick_setup_sched_timer_dump
|-- x86_64-randconfig-a015-20220107
| |-- arch-x86-kernel-kvm.c:error:implicit-declaration-of-function-cpu_hp_check_delay-Werror-Wimplicit-function-declaration
| |-- arch-x86-kernel-kvm.c:error:implicit-declaration-of-function-cpu_hp_stop_now-Werror-Wimplicit-function-declaration
| |-- arch-x86-kernel-kvmclock.c:error:implicit-declaration-of-function-cpu_hp_start_now-Werror-Wimplicit-function-declaration
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-function-tick_setup_sched_timer_dump
|-- x86_64-randconfig-a016-20220107
| `-- kernel-time-timer.c:warning:no-previous-prototype-for-function-tick_setup_sched_timer_dump
`-- x86_64-randconfig-r002-20220108
`-- kernel-time-timer.c:warning:no-previous-prototype-for-function-tick_setup_sched_timer_dump

elapsed time: 1062m

configs tested: 80
configs skipped: 3

gcc tested configs:
arm defconfig
arm allyesconfig
arm allmodconfig
arm64 defconfig
arm64 allyesconfig
powerpc sam440ep_defconfig
riscv nommu_k210_sdcard_defconfig
arm randconfig-c002-20220107
ia64 defconfig
ia64 allmodconfig
ia64 allyesconfig
m68k defconfig
m68k allyesconfig
m68k allmodconfig
nds32 defconfig
csky defconfig
alpha defconfig
alpha allyesconfig
nios2 allyesconfig
arc defconfig
sh allmodconfig
h8300 allyesconfig
xtensa allyesconfig
parisc defconfig
s390 allmodconfig
s390 defconfig
parisc allyesconfig
s390 allyesconfig
i386 allyesconfig
sparc defconfig
i386 defconfig
i386 debian-10.3-kselftests
i386 debian-10.3
sparc allyesconfig
nds32 allnoconfig
nios2 defconfig
arc allyesconfig
mips allmodconfig
mips allyesconfig
powerpc allnoconfig
powerpc allmodconfig
powerpc allyesconfig
x86_64 randconfig-a001-20220107
x86_64 randconfig-a002-20220107
x86_64 randconfig-a003-20220107
x86_64 randconfig-a005-20220107
x86_64 randconfig-a004-20220107
x86_64 randconfig-a006-20220107
i386 randconfig-a003-20220107
i386 randconfig-a005-20220107
i386 randconfig-a004-20220107
i386 randconfig-a006-20220107
i386 randconfig-a002-20220107
i386 randconfig-a001-20220107
arc randconfig-r043-20220107
riscv nommu_k210_defconfig
riscv allyesconfig
riscv nommu_virt_defconfig
riscv allnoconfig
riscv defconfig
riscv rv32_defconfig
riscv allmodconfig
um i386_defconfig
um x86_64_defconfig
x86_64 defconfig
x86_64 rhel-8.3
x86_64 kexec
x86_64 allyesconfig
x86_64 rhel-8.3-func
x86_64 rhel-8.3-kselftests

clang tested configs:
x86_64 randconfig-a012-20220107
x86_64 randconfig-a013-20220107
x86_64 randconfig-a011-20220107
x86_64 randconfig-a016-20220107
x86_64 randconfig-a015-20220107
x86_64 randconfig-a014-20220107
hexagon randconfig-r041-20220107
hexagon randconfig-r045-20220107
riscv randconfig-r042-20220107
s390 randconfig-r044-20220107

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