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Message-ID: <202507042031.3gfceqb3-lkp@intel.com>
Date: Fri, 4 Jul 2025 20:38:54 +0800
From: kernel test robot <lkp@...el.com>
To: Zijun Hu <zijun_hu@...oud.com>, Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
	Helge Deller <deller@....de>,
	"David S. Miller" <davem@...emloft.net>,
	Andreas Larsson <andreas@...sler.com>
Cc: oe-kbuild-all@...ts.linux.dev, netdev@...r.kernel.org,
	Thadeu Lima de Souza Cascardo <cascardo@...lia.com>,
	Zijun Hu <zijun_hu@...oud.com>, linux-kernel@...r.kernel.org,
	linux-parisc@...r.kernel.org, sparclinux@...r.kernel.org
Subject: Re: [PATCH v3 4/8] char: misc: Add a reentry test case about dynamic
 minor request

Hi Zijun,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 626e89412dfb88766d90d842af4d9ec432d8526f]

url:    https://github.com/intel-lab-lkp/linux/commits/Zijun-Hu/char-misc-Move-drivers-misc-misc_minor_kunit-c-to-drivers-char/20250702-202131
base:   626e89412dfb88766d90d842af4d9ec432d8526f
patch link:    https://lore.kernel.org/r/20250702-rfc_miscdev-v3-4-d8925de7893d%40oss.qualcomm.com
patch subject: [PATCH v3 4/8] char: misc: Add a reentry test case about dynamic minor request
config: powerpc64-randconfig-002-20250704 (https://download.01.org/0day-ci/archive/20250704/202507042031.3gfceqb3-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250704/202507042031.3gfceqb3-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/202507042031.3gfceqb3-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: vmlinux: section mismatch in reference: hash_debug_pagealloc_alloc_slots+0x98 (section: .text) -> memblock_alloc_try_nid (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: test_cases+0x60 (section: .data) -> miscdev_test_invalid_input (section: .init.text)
>> WARNING: modpost: vmlinux: section mismatch in reference: test_cases+0x180 (section: .data) -> miscdev_test_dynamic_reentry (section: .init.text)

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

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