[paulmck-rcu:paronl.2023.02.01a] BUILD REGRESSION 05792727280c094a8dcd1aa4950a61a2d214ddb8

[kernel test robot]

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git paronl.2023.02.01a
branch HEAD: 05792727280c094a8dcd1aa4950a61a2d214ddb8  x86/smpboot: Serialize topology updates for secondary bringup

Error/Warning reports:

https://lore.kernel.org/oe-kbuild-all/202302021011.Db4Od62h-lkp@xxxxxxxxx
https://lore.kernel.org/oe-kbuild-all/202302021018.uy6CiyRh-lkp@xxxxxxxxx
https://lore.kernel.org/oe-kbuild-all/202302021025.R4dApIXe-lkp@xxxxxxxxx
https://lore.kernel.org/oe-kbuild-all/202302021052.NLAk6zgv-lkp@xxxxxxxxx
https://lore.kernel.org/oe-kbuild-all/202302021103.5o9vwutp-lkp@xxxxxxxxx
https://lore.kernel.org/oe-kbuild-all/202302021243.bku0pJhm-lkp@xxxxxxxxx

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

arch/x86/kernel/head_64.S:286: undefined reference to `__per_cpu_offset'
arch/x86/kernel/smpboot.c:1251:5: warning: no previous prototype for 'do_cpu_up' [-Wmissing-prototypes]
arch/x86/kernel/smpboot.c:1251:5: warning: no previous prototype for function 'do_cpu_up' [-Wmissing-prototypes]
arch/x86/kernel/smpboot.c:1361:24: error: implicit declaration of function 'idle_thread_get' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
arch/x86/kernel/smpboot.c:1361:24: warning: incompatible integer to pointer conversion passing 'int' to parameter of type 'struct task_struct *' [-Wint-conversion]
arch/x86/kernel/smpboot.c:1361:31: error: implicit declaration of function 'idle_thread_get' [-Werror=implicit-function-declaration]
arch/x86/kernel/smpboot.c:1361:31: warning: passing argument 2 of 'do_cpu_up' makes pointer from integer without a cast [-Wint-conversion]
ld: arch/x86/kernel/head_64.S:298: undefined reference to `idle_threads'

Error/Warning ids grouped by kconfigs:

gcc_recent_errors
|-- x86_64-randconfig-a001-20230130
|   |-- arch-x86-kernel-smpboot.c:error:implicit-declaration-of-function-idle_thread_get
|   |-- arch-x86-kernel-smpboot.c:warning:no-previous-prototype-for-do_cpu_up
|   `-- arch-x86-kernel-smpboot.c:warning:passing-argument-of-do_cpu_up-makes-pointer-from-integer-without-a-cast
|-- x86_64-randconfig-a003-20230130
|   |-- arch-x86-kernel-head_64.S:undefined-reference-to-__per_cpu_offset
|   `-- ld:arch-x86-kernel-head_64.S:undefined-reference-to-idle_threads
`-- x86_64-rhel-8.3-func
    |-- arch-x86-kernel-smpboot.c:error:implicit-declaration-of-function-idle_thread_get
    |-- arch-x86-kernel-smpboot.c:warning:no-previous-prototype-for-do_cpu_up
    `-- arch-x86-kernel-smpboot.c:warning:passing-argument-of-do_cpu_up-makes-pointer-from-integer-without-a-cast
clang_recent_errors
`-- x86_64-rhel-8.3-rust
    |-- arch-x86-kernel-smpboot.c:error:implicit-declaration-of-function-idle_thread_get-is-invalid-in-C99-Werror-Wimplicit-function-declaration
    |-- arch-x86-kernel-smpboot.c:warning:incompatible-integer-to-pointer-conversion-passing-int-to-parameter-of-type-struct-task_struct
    `-- arch-x86-kernel-smpboot.c:warning:no-previous-prototype-for-function-do_cpu_up

elapsed time: 1528m

configs tested: 66
configs skipped: 2

gcc tested configs:
x86_64                            allnoconfig
powerpc                           allnoconfig
um                             i386_defconfig
um                           x86_64_defconfig
arc                                 defconfig
s390                             allmodconfig
x86_64               randconfig-a001-20230130
i386                 randconfig-a002-20230130
x86_64               randconfig-a003-20230130
alpha                               defconfig
x86_64               randconfig-a004-20230130
i386                 randconfig-a001-20230130
s390                                defconfig
i386                 randconfig-a004-20230130
x86_64               randconfig-a002-20230130
i386                 randconfig-a003-20230130
x86_64               randconfig-a006-20230130
i386                 randconfig-a006-20230130
x86_64               randconfig-a005-20230130
i386                 randconfig-a005-20230130
s390                             allyesconfig
m68k                             allmodconfig
arc                              allyesconfig
ia64                             allmodconfig
alpha                            allyesconfig
x86_64                          rhel-8.3-func
x86_64                    rhel-8.3-kselftests
m68k                             allyesconfig
sh                               allmodconfig
x86_64                              defconfig
mips                             allyesconfig
x86_64                               rhel-8.3
powerpc                          allmodconfig
x86_64                           allyesconfig
x86_64                           rhel-8.3-syz
x86_64                         rhel-8.3-kunit
x86_64                           rhel-8.3-kvm
x86_64                           rhel-8.3-bpf
arc                  randconfig-r043-20230129
arm                  randconfig-r046-20230129
i386                                defconfig
arm                  randconfig-r046-20230130
arc                  randconfig-r043-20230130
i386                             allyesconfig
arm                                 defconfig

clang tested configs:
x86_64                          rhel-8.3-rust
x86_64               randconfig-a014-20230130
x86_64               randconfig-a012-20230130
x86_64               randconfig-a013-20230130
x86_64               randconfig-a011-20230130
x86_64               randconfig-a015-20230130
x86_64               randconfig-a016-20230130
i386                 randconfig-a013-20230130
i386                 randconfig-a012-20230130
i386                 randconfig-a014-20230130
i386                 randconfig-a015-20230130
i386                 randconfig-a016-20230130
i386                 randconfig-a011-20230130
hexagon              randconfig-r041-20230129
hexagon              randconfig-r045-20230130
hexagon              randconfig-r041-20230130
hexagon              randconfig-r045-20230129
s390                 randconfig-r044-20230129
riscv                randconfig-r042-20230129
riscv                randconfig-r042-20230130
s390                 randconfig-r044-20230130

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