netdev - Re: [PATCH net-next v3 3/9] lib: packing: add pack_fields() and unpack

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Message-ID: <202411081548.EnYrguKQ-lkp@intel.com>
Date: Fri, 8 Nov 2024 15:47:54 +0800
From: kernel test robot <lkp@...el.com>
To: Jacob Keller <jacob.e.keller@...el.com>,
	Vladimir Oltean <olteanv@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Tony Nguyen <anthony.l.nguyen@...el.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>,
	Masahiro Yamada <masahiroy@...nel.org>,
	netdev <netdev@...r.kernel.org>
Cc: oe-kbuild-all@...ts.linux.dev,
	Linux Memory Management List <linux-mm@...ck.org>,
	linux-kbuild@...r.kernel.org,
	Jacob Keller <jacob.e.keller@...el.com>
Subject: Re: [PATCH net-next v3 3/9] lib: packing: add pack_fields() and
 unpack_fields()

Hi Jacob,

kernel test robot noticed the following build warnings:

[auto build test WARNING on a84e8c05f58305dfa808bc5465c5175c29d7c9b6]

url:    https://github.com/intel-lab-lkp/linux/commits/Jacob-Keller/lib-packing-create-__pack-and-__unpack-variants-without-error-checking/20241108-040154
base:   a84e8c05f58305dfa808bc5465c5175c29d7c9b6
patch link:    https://lore.kernel.org/r/20241107-packing-pack-fields-and-ice-implementation-v3-3-27c566ac2436%40intel.com
patch subject: [PATCH net-next v3 3/9] lib: packing: add pack_fields() and unpack_fields()
config: x86_64-randconfig-121-20241108 (https://download.01.org/0day-ci/archive/20241108/202411081548.EnYrguKQ-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241108/202411081548.EnYrguKQ-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/202411081548.EnYrguKQ-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> lib/packing_test.c:412:1: sparse: sparse: symbol '__test_fields_buffer_sz' was not declared. Should it be static?
>> lib/packing_test.c:412:1: sparse: sparse: symbol 'test_fields' was not declared. Should it be static?

vim +/__test_fields_buffer_sz +412 lib/packing_test.c

   411	
 > 412	DECLARE_PACKED_FIELDS_S(test_fields, sizeof(packed_buf_t)) = {
   413		PACKED_FIELD(63, 61, struct test_data, field1),
   414		PACKED_FIELD(60, 52, struct test_data, field2),
   415		PACKED_FIELD(51, 28, struct test_data, field3),
   416		PACKED_FIELD(27, 14, struct test_data, field4),
   417		PACKED_FIELD(13, 9, struct test_data, field5),
   418		PACKED_FIELD(8, 0, struct test_data, field6),
   419	};
   420	

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