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McKenney" Cc: linux-kernel@vger.kernel.org Subject: [paulmck-rcu:puranjay.2026.06.24a] BUILD REGRESSION 9f9e05ef4454de1724d65dcc1d45018d0457bd7c Message-ID: <202606251552.ZNfOIagu-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git puranjay.2026.06.24a branch HEAD: 9f9e05ef4454de1724d65dcc1d45018d0457bd7c rcuscale: Add concurrent expedited GP threads for callback scaling tests Error/Warning (recently discovered and may have been fixed): https://lore.kernel.org/oe-kbuild-all/202606250524.NuoTnzfd-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202606250529.ZnQlmwsD-lkp@intel.com https://lore.kernel.org/oe-kbuild-all/202606250557.nNZaLYcf-lkp@intel.com arc-linux-ld: tree.c:(.text+0x6b6c): undefined reference to `rcu_preempt_blocked_readers_cgp_ndqs' kernel/rcu/tree.h:498:12: warning: 'rcu_preempt_blocked_readers_cgp_ndqs' used but never defined kernel/rcu/tree.h:498:12: warning: function 'rcu_preempt_blocked_readers_cgp_ndqs' has internal linkage but is not defined [-Wundefined-internal] tree.c:(.text+0x66c0): undefined reference to `rcu_preempt_blocked_readers_cgp_ndqs' Error/Warning ids grouped by kconfigs: recent_errors |-- arc-defconfig | `-- arc-linux-ld:tree.c:(.text):undefined-reference-to-rcu_preempt_blocked_readers_cgp_ndqs |-- arm64-allnoconfig | |-- kernel-rcu-tree.h:warning:rcu_preempt_blocked_readers_cgp_ndqs-used-but-never-defined | `-- tree.c:(.text):undefined-reference-to-rcu_preempt_blocked_readers_cgp_ndqs `-- s390-allnoconfig `-- kernel-rcu-tree.h:warning:function-rcu_preempt_blocked_readers_cgp_ndqs-has-internal-linkage-but-is-not-defined elapsed time: 725m configs tested: 241 configs skipped: 3 tested configs: alpha allnoconfig gcc-16.1.0 alpha allyesconfig gcc-16.1.0 alpha defconfig gcc-16.1.0 arc allmodconfig clang-23 arc allnoconfig gcc-16.1.0 arc allyesconfig clang-23 arc defconfig gcc-16.1.0 arc randconfig-001 gcc-16.1.0 arc randconfig-001-20260625 clang-23 arc randconfig-001-20260625 gcc-16.1.0 arc randconfig-002 gcc-16.1.0 arc randconfig-002-20260625 clang-23 arc randconfig-002-20260625 gcc-16.1.0 arm allnoconfig gcc-16.1.0 arm allyesconfig clang-23 arm defconfig gcc-16.1.0 arm nhk8815_defconfig clang-23 arm randconfig-001 gcc-16.1.0 arm randconfig-001-20260625 clang-23 arm randconfig-001-20260625 gcc-16.1.0 arm randconfig-002 gcc-16.1.0 arm randconfig-002-20260625 clang-23 arm randconfig-002-20260625 gcc-16.1.0 arm randconfig-003 gcc-16.1.0 arm randconfig-003-20260625 clang-23 arm randconfig-003-20260625 gcc-16.1.0 arm randconfig-004 gcc-16.1.0 arm randconfig-004-20260625 clang-23 arm randconfig-004-20260625 gcc-16.1.0 arm stm32_defconfig gcc-16.1.0 arm64 allmodconfig clang-23 arm64 allnoconfig gcc-16.1.0 arm64 defconfig gcc-16.1.0 arm64 randconfig-001-20260625 clang-23 arm64 randconfig-002-20260625 clang-23 arm64 randconfig-003-20260625 clang-23 arm64 randconfig-004-20260625 clang-23 csky allmodconfig gcc-16.1.0 csky allnoconfig gcc-16.1.0 csky defconfig gcc-16.1.0 csky randconfig-001-20260625 clang-23 csky randconfig-002-20260625 clang-23 hexagon allmodconfig gcc-16.1.0 hexagon allnoconfig gcc-16.1.0 hexagon defconfig gcc-16.1.0 hexagon randconfig-001 gcc-11.5.0 hexagon randconfig-001-20260625 gcc-11.5.0 hexagon randconfig-002 gcc-11.5.0 hexagon randconfig-002-20260625 gcc-11.5.0 i386 allmodconfig clang-22 i386 allnoconfig gcc-16.1.0 i386 allyesconfig clang-22 i386 buildonly-randconfig-001 gcc-14 i386 buildonly-randconfig-001-20260625 gcc-14 i386 buildonly-randconfig-002 gcc-14 i386 buildonly-randconfig-002-20260625 gcc-14 i386 buildonly-randconfig-003 gcc-14 i386 buildonly-randconfig-003-20260625 gcc-14 i386 buildonly-randconfig-004 gcc-14 i386 buildonly-randconfig-004-20260625 gcc-14 i386 buildonly-randconfig-005 gcc-14 i386 buildonly-randconfig-005-20260625 gcc-14 i386 buildonly-randconfig-006 gcc-14 i386 buildonly-randconfig-006-20260625 gcc-14 i386 defconfig gcc-16.1.0 i386 randconfig-001 clang-22 i386 randconfig-001-20260625 clang-22 i386 randconfig-002 clang-22 i386 randconfig-002-20260625 clang-22 i386 randconfig-003 clang-22 i386 randconfig-003-20260625 clang-22 i386 randconfig-004 clang-22 i386 randconfig-004-20260625 clang-22 i386 randconfig-005 clang-22 i386 randconfig-005-20260625 clang-22 i386 randconfig-006 clang-22 i386 randconfig-006-20260625 clang-22 i386 randconfig-007 clang-22 i386 randconfig-007-20260625 clang-22 i386 randconfig-011-20260625 clang-22 i386 randconfig-012-20260625 clang-22 i386 randconfig-013-20260625 clang-22 i386 randconfig-014-20260625 clang-22 i386 randconfig-015-20260625 clang-22 i386 randconfig-016-20260625 clang-22 i386 randconfig-017-20260625 clang-22 loongarch allmodconfig clang-23 loongarch allnoconfig gcc-16.1.0 loongarch defconfig clang-23 loongarch randconfig-001 gcc-11.5.0 loongarch randconfig-001-20260625 gcc-11.5.0 loongarch randconfig-002 gcc-11.5.0 loongarch randconfig-002-20260625 gcc-11.5.0 m68k allmodconfig gcc-16.1.0 m68k allnoconfig gcc-16.1.0 m68k allyesconfig clang-23 m68k atari_defconfig gcc-16.1.0 m68k defconfig clang-23 m68k nettel_defconfig gcc-16.1.0 microblaze allnoconfig gcc-16.1.0 microblaze allyesconfig gcc-16.1.0 microblaze defconfig clang-23 mips allmodconfig gcc-16.1.0 mips allnoconfig gcc-16.1.0 mips allyesconfig gcc-16.1.0 mips ath25_defconfig clang-23 nios2 allmodconfig clang-20 nios2 allnoconfig clang-23 nios2 defconfig clang-23 nios2 randconfig-001 gcc-11.5.0 nios2 randconfig-001-20260625 gcc-11.5.0 nios2 randconfig-002 gcc-11.5.0 nios2 randconfig-002-20260625 gcc-11.5.0 openrisc allmodconfig clang-20 openrisc allnoconfig clang-23 openrisc defconfig gcc-16.1.0 parisc allmodconfig gcc-16.1.0 parisc allnoconfig clang-23 parisc allyesconfig clang-17 parisc allyesconfig clang-23 parisc defconfig gcc-16.1.0 parisc randconfig-001-20260625 gcc-13.4.0 parisc randconfig-002-20260625 gcc-13.4.0 parisc64 defconfig clang-23 powerpc allmodconfig gcc-16.1.0 powerpc allnoconfig clang-23 powerpc kmeter1_defconfig gcc-16.1.0 powerpc randconfig-001-20260625 gcc-13.4.0 powerpc randconfig-002-20260625 gcc-13.4.0 powerpc tqm5200_defconfig gcc-16.1.0 powerpc64 randconfig-001-20260625 gcc-13.4.0 powerpc64 randconfig-002-20260625 gcc-13.4.0 riscv allmodconfig clang-23 riscv allnoconfig clang-23 riscv allyesconfig clang-23 riscv defconfig gcc-16.1.0 riscv randconfig-001 gcc-8.5.0 riscv randconfig-001-20260625 gcc-8.5.0 riscv randconfig-002 gcc-8.5.0 riscv randconfig-002-20260625 gcc-8.5.0 s390 allmodconfig clang-17 s390 allmodconfig clang-23 s390 allnoconfig clang-23 s390 allyesconfig gcc-16.1.0 s390 defconfig gcc-16.1.0 s390 randconfig-001 gcc-8.5.0 s390 randconfig-001-20260625 gcc-8.5.0 s390 randconfig-002 gcc-8.5.0 s390 randconfig-002-20260625 gcc-8.5.0 sh allmodconfig gcc-16.1.0 sh allnoconfig clang-23 sh allyesconfig clang-17 sh allyesconfig clang-23 sh defconfig gcc-14 sh randconfig-001 gcc-8.5.0 sh randconfig-001-20260625 gcc-8.5.0 sh randconfig-002 gcc-8.5.0 sh randconfig-002-20260625 gcc-8.5.0 sparc allnoconfig clang-23 sparc defconfig gcc-16.1.0 sparc randconfig-001 gcc-8.5.0 sparc randconfig-001-20260625 gcc-8.5.0 sparc randconfig-002 gcc-8.5.0 sparc randconfig-002-20260625 gcc-8.5.0 sparc64 allmodconfig clang-20 sparc64 defconfig gcc-14 sparc64 randconfig-001 gcc-8.5.0 sparc64 randconfig-001-20260625 gcc-8.5.0 sparc64 randconfig-002 gcc-8.5.0 sparc64 randconfig-002-20260625 gcc-8.5.0 um allmodconfig clang-17 um allmodconfig clang-23 um allnoconfig clang-23 um allyesconfig gcc-16.1.0 um defconfig gcc-14 um i386_defconfig gcc-14 um randconfig-001 gcc-8.5.0 um randconfig-001-20260625 gcc-8.5.0 um randconfig-002 gcc-8.5.0 um randconfig-002-20260625 gcc-8.5.0 um x86_64_defconfig gcc-14 x86_64 allmodconfig clang-22 x86_64 allnoconfig clang-23 x86_64 allyesconfig clang-22 x86_64 buildonly-randconfig-001 clang-22 x86_64 buildonly-randconfig-001-20260625 clang-22 x86_64 buildonly-randconfig-002 clang-22 x86_64 buildonly-randconfig-002-20260625 clang-22 x86_64 buildonly-randconfig-003 clang-22 x86_64 buildonly-randconfig-003-20260625 clang-22 x86_64 buildonly-randconfig-004 clang-22 x86_64 buildonly-randconfig-004-20260625 clang-22 x86_64 buildonly-randconfig-005 clang-22 x86_64 buildonly-randconfig-005-20260625 clang-22 x86_64 buildonly-randconfig-006 clang-22 x86_64 buildonly-randconfig-006-20260625 clang-22 x86_64 defconfig gcc-14 x86_64 kexec clang-22 x86_64 randconfig-001-20260625 gcc-14 x86_64 randconfig-002-20260625 gcc-14 x86_64 randconfig-003-20260625 gcc-14 x86_64 randconfig-004-20260625 gcc-14 x86_64 randconfig-005-20260625 gcc-14 x86_64 randconfig-006-20260625 gcc-14 x86_64 randconfig-011 clang-22 x86_64 randconfig-011-20260625 clang-22 x86_64 randconfig-012 clang-22 x86_64 randconfig-012-20260625 clang-22 x86_64 randconfig-013 clang-22 x86_64 randconfig-013-20260625 clang-22 x86_64 randconfig-014 clang-22 x86_64 randconfig-014-20260625 clang-22 x86_64 randconfig-015 clang-22 x86_64 randconfig-015-20260625 clang-22 x86_64 randconfig-016 clang-22 x86_64 randconfig-016-20260625 clang-22 x86_64 randconfig-071 clang-22 x86_64 randconfig-071-20260625 clang-22 x86_64 randconfig-072 clang-22 x86_64 randconfig-072-20260625 clang-22 x86_64 randconfig-073 clang-22 x86_64 randconfig-073-20260625 clang-22 x86_64 randconfig-074 clang-22 x86_64 randconfig-074-20260625 clang-22 x86_64 randconfig-075 clang-22 x86_64 randconfig-075-20260625 clang-22 x86_64 randconfig-076 clang-22 x86_64 randconfig-076-20260625 clang-22 x86_64 rhel-9.4 clang-22 x86_64 rhel-9.4-bpf gcc-14 x86_64 rhel-9.4-func clang-22 x86_64 rhel-9.4-kselftests clang-22 x86_64 rhel-9.4-kunit gcc-14 x86_64 rhel-9.4-ltp gcc-14 x86_64 rhel-9.4-rust clang-22 xtensa allnoconfig clang-23 xtensa allyesconfig clang-20 xtensa randconfig-001 gcc-8.5.0 xtensa randconfig-001-20260625 gcc-8.5.0 xtensa randconfig-002 gcc-8.5.0 xtensa randconfig-002-20260625 gcc-8.5.0 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki