drivers/base/test/property-entry-test.c:214:1: warning: the frame size of 3120 bytes is larger than 2048 bytes

From: kernel test robot
Date: Sat Jul 25 2020 - 20:20:28 EST

Hi Dmitry,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 04300d66f0a06d572d9f2ad6768c38cabde22179
commit: c032ace71c29d513bf9df64ace1885fe5ff24981 software node: add basic tests for property entries
date: 7 months ago
config: mips-randconfig-r006-20200726 (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout c032ace71c29d513bf9df64ace1885fe5ff24981
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

drivers/base/test/property-entry-test.c: In function 'pe_test_uint_arrays':
>> drivers/base/test/property-entry-test.c:214:1: warning: the frame size of 3120 bytes is larger than 2048 bytes [-Wframe-larger-than=]
214 | }
| ^

vim +214 drivers/base/test/property-entry-test.c

100
101 static void pe_test_uint_arrays(struct kunit *test)
102 {
103 static const u8 a_u8[16] = { 8, 9 };
104 static const u16 a_u16[16] = { 16, 17 };
105 static const u32 a_u32[16] = { 32, 33 };
106 static const u64 a_u64[16] = { 64, 65 };
107 static const struct property_entry entries[] = {
108 PROPERTY_ENTRY_U8_ARRAY("prop-u8", a_u8),
109 PROPERTY_ENTRY_U16_ARRAY("prop-u16", a_u16),
110 PROPERTY_ENTRY_U32_ARRAY("prop-u32", a_u32),
111 PROPERTY_ENTRY_U64_ARRAY("prop-u64", a_u64),
112 { }
113 };
114
115 struct fwnode_handle *node;
116 u8 val_u8, array_u8[32];
117 u16 val_u16, array_u16[32];
118 u32 val_u32, array_u32[32];
119 u64 val_u64, array_u64[32];
120 int error;
121
122 node = fwnode_create_software_node(entries, NULL);
123 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, node);
124
125 error = fwnode_property_read_u8(node, "prop-u8", &val_u8);
126 KUNIT_EXPECT_EQ(test, error, 0);
127 KUNIT_EXPECT_EQ(test, (int)val_u8, 8);
128
129 error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 1);
130 KUNIT_EXPECT_EQ(test, error, 0);
131 KUNIT_EXPECT_EQ(test, (int)array_u8[0], 8);
132
133 error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 2);
134 KUNIT_EXPECT_EQ(test, error, 0);
135 KUNIT_EXPECT_EQ(test, (int)array_u8[0], 8);
136 KUNIT_EXPECT_EQ(test, (int)array_u8[1], 9);
137
138 error = fwnode_property_read_u8_array(node, "prop-u8", array_u8, 17);
139 KUNIT_EXPECT_NE(test, error, 0);
140
141 error = fwnode_property_read_u8(node, "no-prop-u8", &val_u8);
142 KUNIT_EXPECT_NE(test, error, 0);
143
144 error = fwnode_property_read_u8_array(node, "no-prop-u8", array_u8, 1);
145 KUNIT_EXPECT_NE(test, error, 0);
146
147 error = fwnode_property_read_u16(node, "prop-u16", &val_u16);
148 KUNIT_EXPECT_EQ(test, error, 0);
149 KUNIT_EXPECT_EQ(test, (int)val_u16, 16);
150
151 error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 1);
152 KUNIT_EXPECT_EQ(test, error, 0);
153 KUNIT_EXPECT_EQ(test, (int)array_u16[0], 16);
154
155 error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 2);
156 KUNIT_EXPECT_EQ(test, error, 0);
157 KUNIT_EXPECT_EQ(test, (int)array_u16[0], 16);
158 KUNIT_EXPECT_EQ(test, (int)array_u16[1], 17);
159
160 error = fwnode_property_read_u16_array(node, "prop-u16", array_u16, 17);
161 KUNIT_EXPECT_NE(test, error, 0);
162
163 error = fwnode_property_read_u16(node, "no-prop-u16", &val_u16);
164 KUNIT_EXPECT_NE(test, error, 0);
165
166 error = fwnode_property_read_u16_array(node, "no-prop-u16", array_u16, 1);
167 KUNIT_EXPECT_NE(test, error, 0);
168
169 error = fwnode_property_read_u32(node, "prop-u32", &val_u32);
170 KUNIT_EXPECT_EQ(test, error, 0);
171 KUNIT_EXPECT_EQ(test, (int)val_u32, 32);
172
173 error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 1);
174 KUNIT_EXPECT_EQ(test, error, 0);
175 KUNIT_EXPECT_EQ(test, (int)array_u32[0], 32);
176
177 error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 2);
178 KUNIT_EXPECT_EQ(test, error, 0);
179 KUNIT_EXPECT_EQ(test, (int)array_u32[0], 32);
180 KUNIT_EXPECT_EQ(test, (int)array_u32[1], 33);
181
182 error = fwnode_property_read_u32_array(node, "prop-u32", array_u32, 17);
183 KUNIT_EXPECT_NE(test, error, 0);
184
185 error = fwnode_property_read_u32(node, "no-prop-u32", &val_u32);
186 KUNIT_EXPECT_NE(test, error, 0);
187
188 error = fwnode_property_read_u32_array(node, "no-prop-u32", array_u32, 1);
189 KUNIT_EXPECT_NE(test, error, 0);
190
191 error = fwnode_property_read_u64(node, "prop-u64", &val_u64);
192 KUNIT_EXPECT_EQ(test, error, 0);
193 KUNIT_EXPECT_EQ(test, (int)val_u64, 64);
194
195 error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 1);
196 KUNIT_EXPECT_EQ(test, error, 0);
197 KUNIT_EXPECT_EQ(test, (int)array_u64[0], 64);
198
199 error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 2);
200 KUNIT_EXPECT_EQ(test, error, 0);
201 KUNIT_EXPECT_EQ(test, (int)array_u64[0], 64);
202 KUNIT_EXPECT_EQ(test, (int)array_u64[1], 65);
203
204 error = fwnode_property_read_u64_array(node, "prop-u64", array_u64, 17);
205 KUNIT_EXPECT_NE(test, error, 0);
206
207 error = fwnode_property_read_u64(node, "no-prop-u64", &val_u64);
208 KUNIT_EXPECT_NE(test, error, 0);
209
210 error = fwnode_property_read_u64_array(node, "no-prop-u64", array_u64, 1);
211 KUNIT_EXPECT_NE(test, error, 0);
212
213 fwnode_remove_software_node(node);
> 214 }
215

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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