tree/branch: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS branch HEAD: 03933bd11a64b94203f2cbe30ae71061807872fb !8181 v3 cpu/hotplug: Don't offline the last non-isolated CPU

Error/Warning reports:

https://lore.kernel.org/oe-kbuild-all/202405310225.ixqT7RKx-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202405310530.QbRwB9XW-lkp@intel.com

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

include/linux/uaccess.h:112:17: warning: 'pid' may be used uninitialized [-Wmaybe-uninitialized] include/linux/uaccess.h:112:17: warning: 'pmas' may be used uninitialized [-Wmaybe-uninitialized] kernel/sched/fair.c:6701:33: error: invalid use of undefined type 'struct task_group'

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

net/tipc/udp_media.c:775 cleanup_bearer() warn: variable dereferenced before check 'ub->ubsock' (see line 774) net/tipc/udp_media.c:796 tipc_udp_disable() error: we previously assumed 'ub->ubsock' could be null (see line 791)

Error/Warning ids grouped by kconfigs:

gcc_recent_errors |-- arm64-allmodconfig | `-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:ISO-C90-forbids-mixed-declarations-and-code |-- arm64-defconfig | `-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:ISO-C90-forbids-mixed-declarations-and-code |-- arm64-randconfig-001-20240531 | |-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:ISO-C90-forbids-mixed-declarations-and-code | `-- kernel-sched-fair.c:error:invalid-use-of-undefined-type-struct-task_group |-- arm64-randconfig-002-20240531 | |-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:ISO-C90-forbids-mixed-declarations-and-code | |-- include-linux-uaccess.h:warning:pid-may-be-used-uninitialized | `-- include-linux-uaccess.h:warning:pmas-may-be-used-uninitialized |-- arm64-randconfig-003-20240531 | `-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:ISO-C90-forbids-mixed-declarations-and-code |-- arm64-randconfig-004-20240531 | `-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:ISO-C90-forbids-mixed-declarations-and-code |-- x86_64-buildonly-randconfig-005-20240531 | |-- fs-f2fs-recovery.o:warning:objtool:missing-symbol-for-section-.init.text | `-- net-netfilter-xt_TEE.o:warning:objtool:missing-symbol-for-section-.exit.text |-- x86_64-randconfig-004-20240531 | `-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:ISO-C90-forbids-mixed-declarations-and-code `-- x86_64-randconfig-161-20240531 `-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:ISO-C90-forbids-mixed-declarations-and-code clang_recent_errors |-- x86_64-allyesconfig | |-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:mixing-declarations-and-code-is-a-C99-extension | `-- fs-f2fs-.tmp_recovery.o:warning:objtool:missing-symbol-for-section-.init.text |-- x86_64-buildonly-randconfig-001-20240531 | `-- fs-f2fs-recovery.o:warning:objtool:missing-symbol-for-section-.init.text |-- x86_64-buildonly-randconfig-004-20240531 | |-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:mixing-declarations-and-code-is-a-C99-extension | `-- fs-f2fs-recovery.o:warning:objtool:missing-symbol-for-section-.init.text |-- x86_64-randconfig-071-20240531 | `-- drivers-gpu-drm-nouveau-nvkm-core-object.c:warning:mixing-declarations-and-code-is-a-C99-extension `-- x86_64-randconfig-161-20240530 |-- net-tipc-udp_media.c-cleanup_bearer()-warn:variable-dereferenced-before-check-ub-ubsock-(see-line-) `-- net-tipc-udp_media.c-tipc_udp_disable()-error:we-previously-assumed-ub-ubsock-could-be-null-(see-line-)

elapsed time: 733m

configs tested: 35 configs skipped: 146

tested configs: arm64 allmodconfig gcc arm64 allnoconfig gcc arm64 defconfig gcc arm64 randconfig-001-20240531 gcc arm64 randconfig-002-20240531 gcc arm64 randconfig-003-20240531 gcc arm64 randconfig-004-20240531 gcc x86_64 allnoconfig clang x86_64 allyesconfig clang x86_64 buildonly-randconfig-001-20240531 clang x86_64 buildonly-randconfig-002-20240531 gcc x86_64 buildonly-randconfig-003-20240531 clang x86_64 buildonly-randconfig-004-20240531 clang x86_64 buildonly-randconfig-005-20240531 gcc x86_64 buildonly-randconfig-006-20240531 clang x86_64 defconfig gcc x86_64 randconfig-001-20240531 gcc x86_64 randconfig-002-20240531 clang x86_64 randconfig-003-20240531 gcc x86_64 randconfig-004-20240531 gcc x86_64 randconfig-005-20240531 gcc x86_64 randconfig-006-20240531 gcc x86_64 randconfig-011-20240531 clang x86_64 randconfig-012-20240531 gcc x86_64 randconfig-013-20240531 gcc x86_64 randconfig-014-20240531 clang x86_64 randconfig-015-20240531 gcc x86_64 randconfig-016-20240531 gcc x86_64 randconfig-071-20240531 clang x86_64 randconfig-072-20240531 gcc x86_64 randconfig-073-20240531 gcc x86_64 randconfig-074-20240531 gcc x86_64 randconfig-075-20240531 clang x86_64 randconfig-076-20240531 gcc x86_64 rhel-8.3-rust clang