linux-kernel - Re: [PATCH v4] panic: add panic_force_cpu= parameter to redirect panic to a specific CPU

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Message-ID: <202601090229.rC0GNQqG-lkp@intel.com>
Date: Fri, 9 Jan 2026 02:18:29 +0100
From: kernel test robot <lkp@...el.com>
To: Pnina Feder <pnina.feder@...ileye.com>, akpm@...ux-foundation.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, pmladek@...e.com,
	bhe@...hat.com, linux-kernel@...r.kernel.org, lkp@...el.com,
	mgorman@...e.de, mingo@...hat.com, peterz@...radead.org,
	pnina.feder@...ileye.com, rostedt@...dmis.org,
	senozhatsky@...omium.org, tglx@...utronix.de, vkondra@...ileye.com
Subject: Re: [PATCH v4] panic: add panic_force_cpu= parameter to redirect
 panic to a specific CPU

Hi Pnina,

kernel test robot noticed the following build warnings:

[auto build test WARNING on akpm-mm/mm-everything]
[also build test WARNING on linus/master v6.19-rc4 next-20260108]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Pnina-Feder/panic-add-panic_force_cpu-parameter-to-redirect-panic-to-a-specific-CPU/20260108-055823
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20260107215659.3619730-1-pnina.feder%40mobileye.com
patch subject: [PATCH v4] panic: add panic_force_cpu= parameter to redirect panic to a specific CPU
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260109/202601090229.rC0GNQqG-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260109/202601090229.rC0GNQqG-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601090229.rC0GNQqG-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Warning: kernel/panic.c:344 function parameter 'buf' not described in 'panic_force_target_cpu'
>> Warning: kernel/panic.c:344 function parameter 'buf_size' not described in 'panic_force_target_cpu'
>> Warning: kernel/panic.c:344 function parameter 'buf' not described in 'panic_force_target_cpu'
>> Warning: kernel/panic.c:344 function parameter 'buf_size' not described in 'panic_force_target_cpu'

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