[paulmck-rcu:dev.2023.03.17a] BUILD SUCCESS WITH WARNING 19d218a4b125a4dce12eb88097a9c55f7126ce8c

From: kernel test robot
Date: Sun Mar 19 2023 - 13:13:22 EST

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2023.03.17a
branch HEAD: 19d218a4b125a4dce12eb88097a9c55f7126ce8c srcu: Remove extraneous parentheses from srcu_read_lock() etc.

Warning reports:

https://lore.kernel.org/oe-kbuild-all/202303191400.iO5BOqka-lkp@xxxxxxxxx
https://lore.kernel.org/oe-kbuild-all/202303191536.XzMSyzTl-lkp@xxxxxxxxx

Warning: (recently discovered and may have been fixed)

arch/arm/kernel/smp.c:385:1: warning: 'noreturn' function does return
kernel/rcu/srcutree.c:1872:22: warning: variable 'ssp' set but not used [-Wunused-but-set-variable]
kernel/rcu/srcutree.c:1872:29: warning: variable 'ssp' set but not used [-Wunused-but-set-variable]
kernel/rcu/srcutree.c:1876:22: warning: variable 'ssp' set but not used [-Wunused-but-set-variable]
kernel/rcu/srcutree.c:1876:29: warning: variable 'ssp' set but not used [-Wunused-but-set-variable]
kernel/rcu/tasks.h:140:20: warning: 'tasks_rcu_exit_srcu' defined but not used [-Wunused-variable]

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

kernel/rcu/srcutree.c:1662 srcu_advance_state() warn: inconsistent returns '&ssp->srcu_sup->srcu_gp_mutex'.

Warning ids grouped by kconfigs:

gcc_recent_errors
|-- alpha-allyesconfig
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- arc-allyesconfig
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- arc-randconfig-r006-20230319
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- arc-randconfig-r025-20230319
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- arm-buildonly-randconfig-r002-20230319
| |-- arch-arm-kernel-smp.c:warning:noreturn-function-does-return
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- arm-randconfig-r046-20230319
| |-- arch-arm-kernel-smp.c:warning:noreturn-function-does-return
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- arm64-randconfig-r032-20230319
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- csky-buildonly-randconfig-r003-20230319
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- i386-allyesconfig
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- i386-randconfig-a003
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- i386-randconfig-a005
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- i386-randconfig-a014
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- i386-randconfig-m021
| |-- kernel-rcu-srcutree.c-srcu_advance_state()-warn:inconsistent-returns-ssp-srcu_sup-srcu_gp_mutex-.
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- ia64-allmodconfig
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- ia64-allyesconfig
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- ia64-randconfig-r011-20230319
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- ia64-randconfig-r014-20230319
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- loongarch-allmodconfig
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- loongarch-allnoconfig
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- loongarch-allyesconfig
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- loongarch-defconfig
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- loongarch-randconfig-r005-20230319
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- mips-allyesconfig
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
|-- openrisc-randconfig-r022-20230319
clang_recent_errors
|-- i386-randconfig-a004
| `-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used
`-- s390-randconfig-r044-20230319
`-- kernel-rcu-srcutree.c:warning:variable-ssp-set-but-not-used

elapsed time: 722m

configs tested: 125
configs skipped: 11

tested configs:
alpha allyesconfig gcc
alpha buildonly-randconfig-r005-20230319 gcc
alpha defconfig gcc
alpha randconfig-r031-20230319 gcc
alpha randconfig-r036-20230319 gcc
arc allyesconfig gcc
arc buildonly-randconfig-r003-20230319 gcc
arc defconfig gcc
arc randconfig-r006-20230319 gcc
arc randconfig-r012-20230319 gcc
arc randconfig-r016-20230319 gcc
arc randconfig-r025-20230319 gcc
arc randconfig-r043-20230319 gcc
arm allmodconfig gcc
arm allyesconfig gcc
arm buildonly-randconfig-r002-20230319 gcc
arm buildonly-randconfig-r004-20230319 gcc
arm defconfig gcc
arm randconfig-r003-20230319 clang
arm randconfig-r016-20230319 gcc
arm randconfig-r032-20230319 clang
arm randconfig-r046-20230319 gcc
arm64 allyesconfig gcc
arm64 defconfig gcc
arm64 randconfig-r024-20230319 clang
arm64 randconfig-r032-20230319 gcc
csky buildonly-randconfig-r003-20230319 gcc
csky defconfig gcc
csky randconfig-r001-20230319 gcc
hexagon buildonly-randconfig-r004-20230319 clang
hexagon randconfig-r012-20230319 clang
hexagon randconfig-r041-20230319 clang
hexagon randconfig-r045-20230319 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 defconfig gcc
ia64 randconfig-r011-20230319 gcc
ia64 randconfig-r014-20230319 gcc
ia64 randconfig-r023-20230319 gcc
ia64 randconfig-r033-20230319 gcc
loongarch allmodconfig gcc
loongarch allnoconfig gcc
loongarch defconfig gcc
loongarch randconfig-r005-20230319 gcc
loongarch randconfig-r006-20230319 gcc
loongarch randconfig-r026-20230319 gcc
loongarch randconfig-r034-20230319 gcc
m68k allmodconfig gcc
m68k defconfig gcc
m68k randconfig-r034-20230319 gcc
microblaze randconfig-r024-20230319 gcc
microblaze randconfig-r033-20230319 gcc
mips allmodconfig gcc
mips allyesconfig gcc
mips randconfig-r005-20230319 clang
nios2 buildonly-randconfig-r006-20230319 gcc
nios2 defconfig gcc
nios2 randconfig-r014-20230319 gcc
nios2 randconfig-r035-20230319 gcc
openrisc randconfig-r021-20230319 gcc
openrisc randconfig-r022-20230319 gcc
parisc defconfig gcc
parisc randconfig-r031-20230319 gcc
parisc64 defconfig gcc
powerpc allmodconfig gcc
powerpc allnoconfig gcc
powerpc randconfig-r036-20230319 gcc
riscv allmodconfig gcc
riscv allnoconfig gcc
riscv buildonly-randconfig-r002-20230319 clang
riscv defconfig gcc
riscv randconfig-r002-20230319 gcc
riscv randconfig-r004-20230319 gcc
riscv randconfig-r015-20230319 clang
riscv randconfig-r035-20230319 gcc
riscv randconfig-r042-20230319 clang
riscv rv32_defconfig gcc
s390 allmodconfig gcc
s390 allyesconfig gcc
s390 buildonly-randconfig-r001-20230319 clang
s390 defconfig gcc
s390 randconfig-r044-20230319 clang
sh allmodconfig gcc
sh randconfig-r013-20230319 gcc
sh randconfig-r021-20230319 gcc
sparc buildonly-randconfig-r006-20230319 gcc
sparc defconfig gcc
sparc randconfig-r002-20230319 gcc
sparc64 randconfig-r013-20230319 gcc
sparc64 randconfig-r015-20230319 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-r001-20230319 gcc
xtensa randconfig-r003-20230319 gcc

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