Re: [PATCH net-next v5 2/3] connector/cn_proc: Kunit tests for threads hash table

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Hi Anjali,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Anjali-Kulkarni/connector-cn_proc-Add-hash-table-for-threads/20241018-021755
base:   net-next/main
patch link:    https://lore.kernel.org/r/20241017181436.2047508-3-anjali.k.kulkarni%40oracle.com
patch subject: [PATCH net-next v5 2/3] connector/cn_proc: Kunit tests for threads hash table
config: sparc-randconfig-001-20241019 (https://download.01.org/0day-ci/archive/20241019/202410190945.sGeQPUMr-lkp@xxxxxxxxx/config)
compiler: sparc-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241019/202410190945.sGeQPUMr-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410190945.sGeQPUMr-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   sparc-linux-ld: lib/cn_hash_test.o: in function `cn_hash_test_dup_del':
>> lib/cn_hash_test.c:140:(.text+0x44): undefined reference to `cn_del_get_exval'
>> sparc-linux-ld: lib/cn_hash_test.c:143:(.text+0xb4): undefined reference to `cn_del_get_exval'
>> sparc-linux-ld: lib/cn_hash_test.c:146:(.text+0x128): undefined reference to `cn_table_empty'
   sparc-linux-ld: lib/cn_hash_test.o: in function `cn_display_htable':
>> lib/cn_hash_test.c:42:(.text+0x1f8): undefined reference to `cn_display_hlist'
   sparc-linux-ld: lib/cn_hash_test.o: in function `cn_hash_test_del_get_exval':
   lib/cn_hash_test.c:103:(.text+0x2bc): undefined reference to `cn_del_get_exval'
   sparc-linux-ld: lib/cn_hash_test.c:109:(.text+0x350): undefined reference to `cn_table_empty'
   sparc-linux-ld: lib/cn_hash_test.o: in function `cn_hash_test_dup_add':
>> lib/cn_hash_test.c:118:(.text+0x3f0): undefined reference to `cn_add_elem'
>> sparc-linux-ld: lib/cn_hash_test.c:121:(.text+0x458): undefined reference to `cn_get_exval'
>> sparc-linux-ld: lib/cn_hash_test.c:127:(.text+0x4d8): undefined reference to `cn_add_elem'
   sparc-linux-ld: lib/cn_hash_test.c:130:(.text+0x540): undefined reference to `cn_get_exval'
   sparc-linux-ld: lib/cn_hash_test.o: in function `cn_hash_test_del':
   lib/cn_hash_test.c:85:(.text+0x5d0): undefined reference to `cn_del_get_exval'
   sparc-linux-ld: lib/cn_hash_test.c:90:(.text+0x640): undefined reference to `cn_get_exval'
   sparc-linux-ld: lib/cn_hash_test.c:95:(.text+0x6cc): undefined reference to `cn_table_empty'
   sparc-linux-ld: lib/cn_hash_test.o: in function `cn_hash_test_add':
   lib/cn_hash_test.c:67:(.text+0x7b4): undefined reference to `cn_add_elem'
   sparc-linux-ld: lib/cn_hash_test.c:72:(.text+0x824): undefined reference to `cn_get_exval'

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for GET_FREE_REGION
   Depends on [n]: SPARSEMEM [=n]
   Selected by [y]:
   - RESOURCE_KUNIT_TEST [=y] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y]


vim +140 lib/cn_hash_test.c

    31	
    32	static void cn_display_htable(struct kunit *test, int len)
    33	{
    34		int i, err;
    35	
    36		cn_hash_init(test);
    37	
    38		pr_debug("\n");
    39		pr_debug("Displaying hash table:\n");
    40	
    41		for (i = 0; i < len; i++) {
  > 42			err = cn_display_hlist(adata[i].pid, len, &adata[i].key,
    43						key_display);
    44			key_display[adata[i].key] = 1;
    45			KUNIT_EXPECT_EQ(test, err, 0);
    46		}
    47	}
    48	
    49	static void cn_hash_test_add(struct kunit *test)
    50	{
    51		int err, i;
    52		int exit_val;
    53	
    54		adata[0].pid = 1;
    55		adata[0].exit_val = 45;
    56	
    57		adata[1].pid = 2;
    58		adata[1].exit_val = 13;
    59	
    60		adata[2].pid = 1024;
    61		adata[2].exit_val = 16;
    62	
    63		adata[3].pid = 1023;
    64		adata[3].exit_val = 71;
    65	
    66		for (i = 0; i < ARRAY_SIZE(adata); i++) {
    67			err = cn_add_elem(adata[i].exit_val, adata[i].pid);
    68			KUNIT_EXPECT_EQ_MSG(test, 0, err,
    69					"Adding pid %d returned err %d",
    70					adata[i].pid, err);
    71	
    72			exit_val = cn_get_exval(adata[i].pid);
    73			KUNIT_EXPECT_EQ(test, adata[i].exit_val, exit_val);
    74		}
    75	
    76		cn_display_htable(test, ARRAY_SIZE(adata));
    77	}
    78	
    79	static void cn_hash_test_del(struct kunit *test)
    80	{
    81		int i, err;
    82		int exit_val;
    83	
    84		for (i = 0; i < ARRAY_SIZE(adata); i++) {
    85			err = cn_del_get_exval(adata[i].pid);
    86			KUNIT_EXPECT_GT_MSG(test, err, 0,
    87					"Deleting pid %d returned err %d",
    88					adata[i].pid, err);
    89	
    90			exit_val = cn_get_exval(adata[i].pid);
    91			KUNIT_EXPECT_EQ(test, -EINVAL, exit_val);
    92		}
    93	
    94		cn_display_htable(test, ARRAY_SIZE(adata));
    95		KUNIT_EXPECT_TRUE(test, cn_table_empty());
    96	}
    97	
    98	static void cn_hash_test_del_get_exval(struct kunit *test)
    99	{
   100		int i, exval;
   101	
   102		for (i = 0; i < ARRAY_SIZE(adata); i++) {
   103			exval = cn_del_get_exval(adata[i].pid);
   104			KUNIT_EXPECT_EQ(test, adata[i].exit_val, exval);
   105	
   106			cn_display_htable(test, ARRAY_SIZE(adata));
   107		}
   108	
   109		KUNIT_EXPECT_TRUE(test, cn_table_empty());
   110	}
   111	static void cn_hash_test_dup_add(struct kunit *test)
   112	{
   113		int err, exit_val;
   114	
   115		adata[0].pid = 10;
   116		adata[0].exit_val = 21;
   117	
 > 118		err = cn_add_elem(adata[0].exit_val, adata[0].pid);
   119		KUNIT_EXPECT_EQ(test, 0, err);
   120	
 > 121		exit_val = cn_get_exval(adata[0].pid);
   122		KUNIT_EXPECT_EQ(test, 21, exit_val);
   123	
   124		adata[1].pid = 10;
   125		adata[1].exit_val = 12;
   126	
 > 127		err = cn_add_elem(adata[1].exit_val, adata[1].pid);
   128		KUNIT_EXPECT_EQ(test, -EEXIST, err);
   129	
   130		exit_val = cn_get_exval(adata[1].pid);
   131		KUNIT_EXPECT_EQ(test, 21, exit_val);
   132	
   133		cn_display_htable(test, 1);
   134	}
   135	
   136	static void cn_hash_test_dup_del(struct kunit *test)
   137	{
   138		int err;
   139	
 > 140		err = cn_del_get_exval(adata[0].pid);
   141		KUNIT_EXPECT_EQ(test, adata[0].exit_val, err);
   142	
 > 143		err = cn_del_get_exval(adata[0].pid);
   144		KUNIT_EXPECT_EQ(test, -EINVAL, err);
   145	
 > 146		KUNIT_EXPECT_TRUE(test, cn_table_empty());
   147	}
   148	

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




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