Re: [trace:trace/core 16/16] WARNING: modpost: vmlinux: section mismatch in reference: trace_printk_init_buffers.part.0+0xc8 (section: .text.unlikely) -> initcall_level_names (section: .init.data)

Steven Rostedt <[email protected]> Wed, 29 Jul 2026 11:36:13 -0400
Newsgroups dev.linux.lists.oe-kbuild-all
Message-ID <[email protected]>
On Wed, 29 Jul 2026 13:14:23 +0800
kernel test robot <[email protected]> wrote:

> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace trace/core
> head:   c33330b2ec170dd38b3284a72bc6a07a49cc9a65
> commit: c33330b2ec170dd38b3284a72bc6a07a49cc9a65 [16/16] tracing: Use seq_buf for string concatenation
> config: xtensa-randconfig-001-20260729 (https://download.01.org/0day-ci/archive/20260729/[email protected]/config)
> compiler: xtensa-linux-gcc (GCC) 12.5.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260729/[email protected]/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 <[email protected]>
> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
> 
> All warnings (new ones prefixed by >>, old ones prefixed by <<):
> 
> >> WARNING: modpost: vmlinux: section mismatch in reference: trace_printk_init_buffers.part.0+0xc8 (section: .text.unlikely) -> initcall_level_names (section: .init.data)  
> 
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki

This looks to be a false positive. I have no idea how the above commit
could cause that warning.

-- Steve