linux-kernel - Re: [PATCH v2 2/5] kexec: move sysfs entries to /sys/kernel/kexec

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Message-ID: <202511092102.Qi35GqrR-lkp@intel.com>
Date: Sun, 9 Nov 2025 21:38:19 +0800
From: kernel test robot <lkp@...el.com>
To: Sourabh Jain <sourabhjain@...ux.ibm.com>, linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Sourabh Jain <sourabhjain@...ux.ibm.com>,
	Aditya Gupta <adityag@...ux.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management List <linux-mm@...ck.org>,
	Baoquan he <bhe@...hat.com>, Dave Young <dyoung@...hat.com>,
	Hari Bathini <hbathini@...ux.ibm.com>, Jiri Bohac <jbohac@...e.cz>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Mahesh J Salgaonkar <mahesh@...ux.ibm.com>,
	Pingfan Liu <piliu@...hat.com>,
	"Ritesh Harjani (IBM)" <ritesh.list@...il.com>,
	Shivang Upadhyay <shivangu@...ux.ibm.com>,
	Vivek Goyal <vgoyal@...hat.com>, linuxppc-dev@...ts.ozlabs.org,
	kexec@...ts.infradead.org
Subject: Re: [PATCH v2 2/5] kexec: move sysfs entries to /sys/kernel/kexec

Hi Sourabh,

kernel test robot noticed the following build warnings:

[auto build test WARNING on akpm-mm/mm-everything]
[also build test WARNING on linus/master v6.18-rc4 next-20251107]
[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/Sourabh-Jain/Documentation-ABI-add-kexec-and-kdump-sysfs-interface/20251106-125243
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20251106045107.17813-3-sourabhjain%40linux.ibm.com
patch subject: [PATCH v2 2/5] kexec: move sysfs entries to /sys/kernel/kexec
config: s390-randconfig-r131-20251109 (https://download.01.org/0day-ci/archive/20251109/202511092102.Qi35GqrR-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251109/202511092102.Qi35GqrR-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/202511092102.Qi35GqrR-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> kernel/kexec_core.c:1315:16: sparse: sparse: symbol 'kexec_kobj' was not declared. Should it be static?

vim +/kexec_kobj +1315 kernel/kexec_core.c

  1314	
> 1315	struct kobject *kexec_kobj;
  1316	ATTRIBUTE_GROUPS(kexec);
  1317	

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