2023-04-27 16:44:40

by kernel test robot

[permalink] [raw]
Subject: [paulmck-rcu:dev.2023.04.26a] BUILD REGRESSION 56b38a90a12f76e463a7381d8cff854926fa2b59

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2023.04.26a
branch HEAD: 56b38a90a12f76e463a7381d8cff854926fa2b59 rcu-tasks: Stop rcu_tasks_invoke_cbs() from using never-onlined CPUs

Error/Warning reports:

https://lore.kernel.org/oe-kbuild-all/[email protected]
https://lore.kernel.org/oe-kbuild-all/[email protected]
https://lore.kernel.org/oe-kbuild-all/[email protected]
https://lore.kernel.org/oe-kbuild-all/[email protected]
https://lore.kernel.org/oe-kbuild-all/[email protected]

Error/Warning: (recently discovered and may have been fixed)

arch/arm/kernel/smp.c:385:1: warning: function declared 'noreturn' should not return [-Winvalid-noreturn]
arch/loongarch/kernel/process.c:68:1: warning: 'noreturn' function does return
arch/powerpc/kernel/smp.c:1768:1: error: function declared 'noreturn' should not return [-Werror,-Winvalid-noreturn]
arch/x86/kernel/nmi.c:441:6: warning: no previous prototype for 'set_nmi_torture' [-Wmissing-prototypes]
arch/x86/kernel/nmi.c:441:6: warning: no previous prototype for function 'set_nmi_torture' [-Wmissing-prototypes]

Unverified Error/Warning (likely false positive, please contact us if interested):

kernel/rcu/tree.c:2149 rcu_do_batch() error: uninitialized symbol 'jlimit'.

Error/Warning ids grouped by kconfigs:

gcc_recent_errors
|-- i386-randconfig-a001
| `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
|-- i386-randconfig-c001
| `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
|-- i386-randconfig-m021
| |-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
| `-- kernel-rcu-tree.c-rcu_do_batch()-error:uninitialized-symbol-jlimit-.
|-- loongarch-randconfig-r012-20230427
| `-- arch-loongarch-kernel-process.c:warning:noreturn-function-does-return
|-- x86_64-kexec
| `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
|-- x86_64-randconfig-a011
| `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
|-- x86_64-randconfig-a013
| `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
|-- x86_64-randconfig-a015
| `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
|-- x86_64-randconfig-c002
| `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
`-- x86_64-randconfig-m001
`-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
clang_recent_errors
|-- arm-milbeaut_m10v_defconfig
| `-- arch-arm-kernel-smp.c:warning:function-declared-noreturn-should-not-return
|-- i386-allnoconfig
| `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-function-set_nmi_torture
|-- powerpc-buildonly-randconfig-r003-20230427
| `-- arch-powerpc-kernel-smp.c:error:function-declared-noreturn-should-not-return-Werror-Winvalid-noreturn
|-- x86_64-randconfig-a005
| `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-function-set_nmi_torture
|-- x86_64-randconfig-a014
| `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-function-set_nmi_torture
`-- x86_64-randconfig-a016
`-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-function-set_nmi_torture

elapsed time: 723m

configs tested: 109
configs skipped: 9

tested configs:
alpha allyesconfig gcc
alpha defconfig gcc
arc allyesconfig gcc
arc axs101_defconfig gcc
arc defconfig gcc
arc randconfig-r002-20230427 gcc
arc randconfig-r043-20230427 gcc
arc vdk_hs38_defconfig gcc
arm allmodconfig gcc
arm allyesconfig gcc
arm buildonly-randconfig-r006-20230427 gcc
arm defconfig gcc
arm imxrt_defconfig gcc
arm milbeaut_m10v_defconfig clang
arm netwinder_defconfig clang
arm randconfig-r011-20230427 gcc
arm randconfig-r046-20230427 gcc
arm64 allyesconfig gcc
arm64 defconfig gcc
csky defconfig gcc
csky randconfig-r015-20230427 gcc
hexagon buildonly-randconfig-r003-20230427 clang
hexagon randconfig-r003-20230427 clang
hexagon randconfig-r004-20230427 clang
hexagon randconfig-r041-20230427 clang
hexagon randconfig-r045-20230427 clang
i386 allnoconfig clang
i386 allyesconfig gcc
i386 debian-10.3 gcc
i386 defconfig gcc
i386 randconfig-a001 gcc
i386 randconfig-a002 clang
i386 randconfig-a003 gcc
i386 randconfig-a004 clang
i386 randconfig-a005 gcc
i386 randconfig-a006 clang
i386 randconfig-a011 clang
i386 randconfig-a012 gcc
i386 randconfig-a013 clang
i386 randconfig-a014 gcc
i386 randconfig-a015 clang
i386 randconfig-a016 gcc
ia64 allmodconfig gcc
ia64 buildonly-randconfig-r004-20230427 gcc
ia64 defconfig gcc
loongarch allmodconfig gcc
loongarch allnoconfig gcc
loongarch defconfig gcc
loongarch randconfig-r013-20230427 gcc
loongarch randconfig-r016-20230427 gcc
loongarch randconfig-r025-20230427 gcc
m68k allmodconfig gcc
m68k defconfig gcc
microblaze buildonly-randconfig-r005-20230427 gcc
microblaze randconfig-r001-20230427 gcc
microblaze randconfig-r012-20230427 gcc
mips allmodconfig gcc
mips allyesconfig gcc
nios2 defconfig gcc
nios2 randconfig-r034-20230427 gcc
nios2 randconfig-r036-20230427 gcc
parisc defconfig gcc
parisc randconfig-r024-20230427 gcc
parisc64 defconfig gcc
powerpc allmodconfig gcc
powerpc allnoconfig gcc
powerpc mpc834x_itx_defconfig gcc
powerpc mpc836x_rdk_defconfig clang
powerpc randconfig-r026-20230427 clang
powerpc redwood_defconfig gcc
riscv allmodconfig gcc
riscv allnoconfig gcc
riscv defconfig gcc
riscv randconfig-r021-20230427 clang
riscv randconfig-r022-20230427 clang
riscv randconfig-r042-20230427 clang
riscv rv32_defconfig gcc
s390 allmodconfig gcc
s390 allyesconfig gcc
s390 defconfig gcc
s390 randconfig-r006-20230427 gcc
s390 randconfig-r044-20230427 clang
sh allmodconfig gcc
sh landisk_defconfig gcc
sh secureedge5410_defconfig gcc
sparc buildonly-randconfig-r002-20230427 gcc
sparc defconfig gcc
sparc randconfig-r005-20230427 gcc
um defconfig gcc
um i386_defconfig gcc
um x86_64_defconfig gcc
x86_64 allnoconfig gcc
x86_64 allyesconfig gcc
x86_64 defconfig gcc
x86_64 kexec gcc
x86_64 randconfig-a001 clang
x86_64 randconfig-a002 gcc
x86_64 randconfig-a003 clang
x86_64 randconfig-a004 gcc
x86_64 randconfig-a005 clang
x86_64 randconfig-a006 gcc
x86_64 randconfig-a011 gcc
x86_64 randconfig-a012 clang
x86_64 randconfig-a013 gcc
x86_64 randconfig-a014 clang
x86_64 randconfig-a015 gcc
x86_64 randconfig-a016 clang
x86_64 rhel-8.3 gcc
xtensa randconfig-r033-20230427 gcc

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


2023-04-27 16:50:59

by Paul E. McKenney

[permalink] [raw]
Subject: Re: [paulmck-rcu:dev.2023.04.26a] BUILD REGRESSION 56b38a90a12f76e463a7381d8cff854926fa2b59

On Fri, Apr 28, 2023 at 12:28:05AM +0800, kernel test robot wrote:
> tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2023.04.26a
> branch HEAD: 56b38a90a12f76e463a7381d8cff854926fa2b59 rcu-tasks: Stop rcu_tasks_invoke_cbs() from using never-onlined CPUs
>
> Error/Warning reports:
>
> https://lore.kernel.org/oe-kbuild-all/[email protected]
> https://lore.kernel.org/oe-kbuild-all/[email protected]
> https://lore.kernel.org/oe-kbuild-all/[email protected]
> https://lore.kernel.org/oe-kbuild-all/[email protected]
> https://lore.kernel.org/oe-kbuild-all/[email protected]
>
> Error/Warning: (recently discovered and may have been fixed)
>
> arch/arm/kernel/smp.c:385:1: warning: function declared 'noreturn' should not return [-Winvalid-noreturn]
> arch/loongarch/kernel/process.c:68:1: warning: 'noreturn' function does return
> arch/powerpc/kernel/smp.c:1768:1: error: function declared 'noreturn' should not return [-Werror,-Winvalid-noreturn]
> arch/x86/kernel/nmi.c:441:6: warning: no previous prototype for 'set_nmi_torture' [-Wmissing-prototypes]
> arch/x86/kernel/nmi.c:441:6: warning: no previous prototype for function 'set_nmi_torture' [-Wmissing-prototypes]

These appear to be from some other commits, some of which are admittedly
my debug commits.

> Unverified Error/Warning (likely false positive, please contact us if interested):
>
> kernel/rcu/tree.c:2149 rcu_do_batch() error: uninitialized symbol 'jlimit'.

This is a false positive, as discussed recently with Dan Carpenter:

https://lore.kernel.org/all/[email protected]/

Thanx, Paul

> Error/Warning ids grouped by kconfigs:
>
> gcc_recent_errors
> |-- i386-randconfig-a001
> | `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
> |-- i386-randconfig-c001
> | `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
> |-- i386-randconfig-m021
> | |-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
> | `-- kernel-rcu-tree.c-rcu_do_batch()-error:uninitialized-symbol-jlimit-.
> |-- loongarch-randconfig-r012-20230427
> | `-- arch-loongarch-kernel-process.c:warning:noreturn-function-does-return
> |-- x86_64-kexec
> | `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
> |-- x86_64-randconfig-a011
> | `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
> |-- x86_64-randconfig-a013
> | `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
> |-- x86_64-randconfig-a015
> | `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
> |-- x86_64-randconfig-c002
> | `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
> `-- x86_64-randconfig-m001
> `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-set_nmi_torture
> clang_recent_errors
> |-- arm-milbeaut_m10v_defconfig
> | `-- arch-arm-kernel-smp.c:warning:function-declared-noreturn-should-not-return
> |-- i386-allnoconfig
> | `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-function-set_nmi_torture
> |-- powerpc-buildonly-randconfig-r003-20230427
> | `-- arch-powerpc-kernel-smp.c:error:function-declared-noreturn-should-not-return-Werror-Winvalid-noreturn
> |-- x86_64-randconfig-a005
> | `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-function-set_nmi_torture
> |-- x86_64-randconfig-a014
> | `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-function-set_nmi_torture
> `-- x86_64-randconfig-a016
> `-- arch-x86-kernel-nmi.c:warning:no-previous-prototype-for-function-set_nmi_torture
>
> elapsed time: 723m
>
> configs tested: 109
> configs skipped: 9
>
> tested configs:
> alpha allyesconfig gcc
> alpha defconfig gcc
> arc allyesconfig gcc
> arc axs101_defconfig gcc
> arc defconfig gcc
> arc randconfig-r002-20230427 gcc
> arc randconfig-r043-20230427 gcc
> arc vdk_hs38_defconfig gcc
> arm allmodconfig gcc
> arm allyesconfig gcc
> arm buildonly-randconfig-r006-20230427 gcc
> arm defconfig gcc
> arm imxrt_defconfig gcc
> arm milbeaut_m10v_defconfig clang
> arm netwinder_defconfig clang
> arm randconfig-r011-20230427 gcc
> arm randconfig-r046-20230427 gcc
> arm64 allyesconfig gcc
> arm64 defconfig gcc
> csky defconfig gcc
> csky randconfig-r015-20230427 gcc
> hexagon buildonly-randconfig-r003-20230427 clang
> hexagon randconfig-r003-20230427 clang
> hexagon randconfig-r004-20230427 clang
> hexagon randconfig-r041-20230427 clang
> hexagon randconfig-r045-20230427 clang
> i386 allnoconfig clang
> i386 allyesconfig gcc
> i386 debian-10.3 gcc
> i386 defconfig gcc
> i386 randconfig-a001 gcc
> i386 randconfig-a002 clang
> i386 randconfig-a003 gcc
> i386 randconfig-a004 clang
> i386 randconfig-a005 gcc
> i386 randconfig-a006 clang
> i386 randconfig-a011 clang
> i386 randconfig-a012 gcc
> i386 randconfig-a013 clang
> i386 randconfig-a014 gcc
> i386 randconfig-a015 clang
> i386 randconfig-a016 gcc
> ia64 allmodconfig gcc
> ia64 buildonly-randconfig-r004-20230427 gcc
> ia64 defconfig gcc
> loongarch allmodconfig gcc
> loongarch allnoconfig gcc
> loongarch defconfig gcc
> loongarch randconfig-r013-20230427 gcc
> loongarch randconfig-r016-20230427 gcc
> loongarch randconfig-r025-20230427 gcc
> m68k allmodconfig gcc
> m68k defconfig gcc
> microblaze buildonly-randconfig-r005-20230427 gcc
> microblaze randconfig-r001-20230427 gcc
> microblaze randconfig-r012-20230427 gcc
> mips allmodconfig gcc
> mips allyesconfig gcc
> nios2 defconfig gcc
> nios2 randconfig-r034-20230427 gcc
> nios2 randconfig-r036-20230427 gcc
> parisc defconfig gcc
> parisc randconfig-r024-20230427 gcc
> parisc64 defconfig gcc
> powerpc allmodconfig gcc
> powerpc allnoconfig gcc
> powerpc mpc834x_itx_defconfig gcc
> powerpc mpc836x_rdk_defconfig clang
> powerpc randconfig-r026-20230427 clang
> powerpc redwood_defconfig gcc
> riscv allmodconfig gcc
> riscv allnoconfig gcc
> riscv defconfig gcc
> riscv randconfig-r021-20230427 clang
> riscv randconfig-r022-20230427 clang
> riscv randconfig-r042-20230427 clang
> riscv rv32_defconfig gcc
> s390 allmodconfig gcc
> s390 allyesconfig gcc
> s390 defconfig gcc
> s390 randconfig-r006-20230427 gcc
> s390 randconfig-r044-20230427 clang
> sh allmodconfig gcc
> sh landisk_defconfig gcc
> sh secureedge5410_defconfig gcc
> sparc buildonly-randconfig-r002-20230427 gcc
> sparc defconfig gcc
> sparc randconfig-r005-20230427 gcc
> um defconfig gcc
> um i386_defconfig gcc
> um x86_64_defconfig gcc
> x86_64 allnoconfig gcc
> x86_64 allyesconfig gcc
> x86_64 defconfig gcc
> x86_64 kexec gcc
> x86_64 randconfig-a001 clang
> x86_64 randconfig-a002 gcc
> x86_64 randconfig-a003 clang
> x86_64 randconfig-a004 gcc
> x86_64 randconfig-a005 clang
> x86_64 randconfig-a006 gcc
> x86_64 randconfig-a011 gcc
> x86_64 randconfig-a012 clang
> x86_64 randconfig-a013 gcc
> x86_64 randconfig-a014 clang
> x86_64 randconfig-a015 gcc
> x86_64 randconfig-a016 clang
> x86_64 rhel-8.3 gcc
> xtensa randconfig-r033-20230427 gcc
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests