[peterz-queue:sched/urgent 2/2] Makefile:47: *** Cannot find a vmlinux for VMLINUX_BTF at any of " ../../../../vmlinux /sys/kernel/btf/vmlinux /boot/vmlinux-5.9.0-2-amd64". Stop.

[peterz-queue:sched/urgent 2/2] Makefile:47: *** Cannot find a vmlinux for VMLINUX_BTF at any of " ../../../../vmlinux /sys/kernel/btf/vmlinux /boot/vmlinux-5.9.0-2-amd64". Stop.

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/urgent
head:   efd5bd3144b76ff6eab5443d16df9797d9d7f4cd
commit: efd5bd3144b76ff6eab5443d16df9797d9d7f4cd [2/2] sched: Don't define sched_clock_irqtime as static key
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250205/202502050102.7iexi7XO-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502050102.7iexi7XO-lkp@intel.com/

All errors (new ones prefixed by >>):

   make[1]: *** No targets specified and no makefile found.  Stop.
   make[1]: *** [../lib.mk:222: tools/testing/selftests/pidfd/pidfd_fdinfo_test] Error 1
   make[1]: *** [../lib.mk:221: tools/testing/selftests/pidfd/pidfd_setns_test] Error 1
   make[1]: Target 'all' not remade because of errors.
   make[1]: *** [../lib.mk:222: tools/testing/selftests/pid_namespace/pid_max] Error 1
   make[1]: Target 'all' not remade because of errors.
   Makefile:60: warning: overriding recipe for target 'emit_tests'
   ../lib.mk:182: warning: ignoring old recipe for target 'emit_tests'
   make[1]: *** No targets.  Stop.
>> Makefile:47: *** Cannot find a vmlinux for VMLINUX_BTF at any of "  ../../../../vmlinux /sys/kernel/btf/vmlinux /boot/vmlinux-5.9.0-2-amd64".  Stop.
   make[1]: *** No targets.  Stop.
   make[1]: *** No targets.  Stop.


vim +47 Makefile

3812b8c5c5d5272 Masahiro Yamada 2019-02-22  46  
3812b8c5c5d5272 Masahiro Yamada 2019-02-22 @47  # Do not use make's built-in rules and variables
3812b8c5c5d5272 Masahiro Yamada 2019-02-22  48  # (this increases performance and avoids hard-to-debug behaviour)
3812b8c5c5d5272 Masahiro Yamada 2019-02-22  49  MAKEFLAGS += -rR
3812b8c5c5d5272 Masahiro Yamada 2019-02-22  50  

:::::: The code at line 47 was first introduced by commit
:::::: 3812b8c5c5d527239ac015f1f2c7654da7fcfbba kbuild: make -r/-R effective in top Makefile for old Make versions

:::::: TO: Masahiro Yamada <yamada.masahiro@socionext.com>
:::::: CC: Masahiro Yamada <yamada.masahiro@socionext.com>

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