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Date: Sat, 18 Jun 2022 16:16:53 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Latypov <dlatypov@...gle.com>, mark.rutland@....com,
boqun.feng@...il.com
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
kunit-dev@...glegroups.com, peterz@...radead.org,
Daniel Latypov <dlatypov@...gle.com>,
David Gow <davidgow@...gle.com>,
Brendan Higgins <brendanhiggins@...gle.com>,
Michael Ellerman <mpe@...erman.id.au>
Subject: Re: [PATCH] lib/atomic64_test.c: convert to use KUnit
Hi Daniel,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on 8ab2afa23bd197df47819a87f0265c0ac95c5b6a]
url: https://github.com/intel-lab-lkp/linux/commits/Daniel-Latypov/lib-atomic64_test-c-convert-to-use-KUnit/20220617-020546
base: 8ab2afa23bd197df47819a87f0265c0ac95c5b6a
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20220618/202206181607.somVaD8p-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 11.3.0
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
# https://github.com/intel-lab-lkp/linux/commit/acffbe860bc2206b4cef16408809b9f558a24465
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Daniel-Latypov/lib-atomic64_test-c-convert-to-use-KUnit/20220617-020546
git checkout acffbe860bc2206b4cef16408809b9f558a24465
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
lib/atomic64_test.c: In function 'test_atomic64':
>> lib/atomic64_test.c:241:1: warning: the frame size of 3920 bytes is larger than 2048 bytes [-Wframe-larger-than=]
241 | }
| ^
lib/atomic64_test.c: In function 'test_atomic':
lib/atomic64_test.c:138:1: warning: the frame size of 3520 bytes is larger than 2048 bytes [-Wframe-larger-than=]
138 | }
| ^
vim +241 lib/atomic64_test.c
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 139
86a8938078a8bb Luca Barbieri 2010-02-24 140 #define INIT(c) do { atomic64_set(&v, c); r = c; } while (0)
acffbe860bc220 Daniel Latypov 2022-06-16 141 static void test_atomic64(struct kunit *test)
86a8938078a8bb Luca Barbieri 2010-02-24 142 {
86a8938078a8bb Luca Barbieri 2010-02-24 143 long long v0 = 0xaaa31337c001d00dLL;
86a8938078a8bb Luca Barbieri 2010-02-24 144 long long v1 = 0xdeadbeefdeafcafeLL;
86a8938078a8bb Luca Barbieri 2010-02-24 145 long long v2 = 0xfaceabadf00df001LL;
ffba19ccae8d98 Michael Ellerman 2017-07-14 146 long long v3 = 0x8000000000000000LL;
86a8938078a8bb Luca Barbieri 2010-02-24 147 long long onestwos = 0x1111111122222222LL;
86a8938078a8bb Luca Barbieri 2010-02-24 148 long long one = 1LL;
ffba19ccae8d98 Michael Ellerman 2017-07-14 149 int r_int;
86a8938078a8bb Luca Barbieri 2010-02-24 150
86a8938078a8bb Luca Barbieri 2010-02-24 151 atomic64_t v = ATOMIC64_INIT(v0);
86a8938078a8bb Luca Barbieri 2010-02-24 152 long long r = v0;
acffbe860bc220 Daniel Latypov 2022-06-16 153 KUNIT_ASSERT_EQ(test, v.counter, r);
86a8938078a8bb Luca Barbieri 2010-02-24 154
86a8938078a8bb Luca Barbieri 2010-02-24 155 atomic64_set(&v, v1);
86a8938078a8bb Luca Barbieri 2010-02-24 156 r = v1;
acffbe860bc220 Daniel Latypov 2022-06-16 157 KUNIT_ASSERT_EQ(test, v.counter, r);
acffbe860bc220 Daniel Latypov 2022-06-16 158 KUNIT_ASSERT_EQ(test, atomic64_read(&v), r);
86a8938078a8bb Luca Barbieri 2010-02-24 159
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 160 TEST(64, add, +=, onestwos);
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 161 TEST(64, add, +=, -one);
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 162 TEST(64, sub, -=, onestwos);
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 163 TEST(64, sub, -=, -one);
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 164 TEST(64, or, |=, v1);
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 165 TEST(64, and, &=, v1);
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 166 TEST(64, xor, ^=, v1);
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 167 TEST(64, andnot, &= ~, v1);
86a8938078a8bb Luca Barbieri 2010-02-24 168
978e5a3692c3b6 Boqun Feng 2015-11-04 169 RETURN_FAMILY_TEST(64, add_return, +=, onestwos);
978e5a3692c3b6 Boqun Feng 2015-11-04 170 RETURN_FAMILY_TEST(64, add_return, +=, -one);
978e5a3692c3b6 Boqun Feng 2015-11-04 171 RETURN_FAMILY_TEST(64, sub_return, -=, onestwos);
978e5a3692c3b6 Boqun Feng 2015-11-04 172 RETURN_FAMILY_TEST(64, sub_return, -=, -one);
86a8938078a8bb Luca Barbieri 2010-02-24 173
28aa2bda2211f4 Peter Zijlstra 2016-04-18 174 FETCH_FAMILY_TEST(64, fetch_add, +=, onestwos);
28aa2bda2211f4 Peter Zijlstra 2016-04-18 175 FETCH_FAMILY_TEST(64, fetch_add, +=, -one);
28aa2bda2211f4 Peter Zijlstra 2016-04-18 176 FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos);
28aa2bda2211f4 Peter Zijlstra 2016-04-18 177 FETCH_FAMILY_TEST(64, fetch_sub, -=, -one);
28aa2bda2211f4 Peter Zijlstra 2016-04-18 178
28aa2bda2211f4 Peter Zijlstra 2016-04-18 179 FETCH_FAMILY_TEST(64, fetch_or, |=, v1);
28aa2bda2211f4 Peter Zijlstra 2016-04-18 180 FETCH_FAMILY_TEST(64, fetch_and, &=, v1);
28aa2bda2211f4 Peter Zijlstra 2016-04-18 181 FETCH_FAMILY_TEST(64, fetch_andnot, &= ~, v1);
28aa2bda2211f4 Peter Zijlstra 2016-04-18 182 FETCH_FAMILY_TEST(64, fetch_xor, ^=, v1);
28aa2bda2211f4 Peter Zijlstra 2016-04-18 183
86a8938078a8bb Luca Barbieri 2010-02-24 184 INIT(v0);
86a8938078a8bb Luca Barbieri 2010-02-24 185 atomic64_inc(&v);
86a8938078a8bb Luca Barbieri 2010-02-24 186 r += one;
acffbe860bc220 Daniel Latypov 2022-06-16 187 KUNIT_ASSERT_EQ(test, v.counter, r);
86a8938078a8bb Luca Barbieri 2010-02-24 188
86a8938078a8bb Luca Barbieri 2010-02-24 189 INIT(v0);
86a8938078a8bb Luca Barbieri 2010-02-24 190 atomic64_dec(&v);
86a8938078a8bb Luca Barbieri 2010-02-24 191 r -= one;
acffbe860bc220 Daniel Latypov 2022-06-16 192 KUNIT_ASSERT_EQ(test, v.counter, r);
86a8938078a8bb Luca Barbieri 2010-02-24 193
978e5a3692c3b6 Boqun Feng 2015-11-04 194 INC_RETURN_FAMILY_TEST(64, v0);
978e5a3692c3b6 Boqun Feng 2015-11-04 195 DEC_RETURN_FAMILY_TEST(64, v0);
86a8938078a8bb Luca Barbieri 2010-02-24 196
978e5a3692c3b6 Boqun Feng 2015-11-04 197 XCHG_FAMILY_TEST(64, v0, v1);
978e5a3692c3b6 Boqun Feng 2015-11-04 198 CMPXCHG_FAMILY_TEST(64, v0, v1, v2);
86a8938078a8bb Luca Barbieri 2010-02-24 199
86a8938078a8bb Luca Barbieri 2010-02-24 200 INIT(v0);
acffbe860bc220 Daniel Latypov 2022-06-16 201 KUNIT_ASSERT_FALSE(test, atomic64_add_unless(&v, one, v0));
acffbe860bc220 Daniel Latypov 2022-06-16 202 KUNIT_ASSERT_EQ(test, v.counter, r);
86a8938078a8bb Luca Barbieri 2010-02-24 203
86a8938078a8bb Luca Barbieri 2010-02-24 204 INIT(v0);
acffbe860bc220 Daniel Latypov 2022-06-16 205 KUNIT_ASSERT_TRUE(test, atomic64_add_unless(&v, one, v1));
86a8938078a8bb Luca Barbieri 2010-02-24 206 r += one;
acffbe860bc220 Daniel Latypov 2022-06-16 207 KUNIT_ASSERT_EQ(test, v.counter, r);
86a8938078a8bb Luca Barbieri 2010-02-24 208
86a8938078a8bb Luca Barbieri 2010-02-24 209 INIT(onestwos);
acffbe860bc220 Daniel Latypov 2022-06-16 210 KUNIT_ASSERT_EQ(test, atomic64_dec_if_positive(&v), (onestwos - 1));
86a8938078a8bb Luca Barbieri 2010-02-24 211 r -= one;
acffbe860bc220 Daniel Latypov 2022-06-16 212 KUNIT_ASSERT_EQ(test, v.counter, r);
86a8938078a8bb Luca Barbieri 2010-02-24 213
86a8938078a8bb Luca Barbieri 2010-02-24 214 INIT(0);
acffbe860bc220 Daniel Latypov 2022-06-16 215 KUNIT_ASSERT_EQ(test, atomic64_dec_if_positive(&v), -one);
acffbe860bc220 Daniel Latypov 2022-06-16 216 KUNIT_ASSERT_EQ(test, v.counter, r);
86a8938078a8bb Luca Barbieri 2010-02-24 217
86a8938078a8bb Luca Barbieri 2010-02-24 218 INIT(-one);
acffbe860bc220 Daniel Latypov 2022-06-16 219 KUNIT_ASSERT_EQ(test, atomic64_dec_if_positive(&v), (-one - one));
acffbe860bc220 Daniel Latypov 2022-06-16 220 KUNIT_ASSERT_EQ(test, v.counter, r);
86a8938078a8bb Luca Barbieri 2010-02-24 221
86a8938078a8bb Luca Barbieri 2010-02-24 222 INIT(onestwos);
acffbe860bc220 Daniel Latypov 2022-06-16 223 KUNIT_ASSERT_TRUE(test, atomic64_inc_not_zero(&v));
86a8938078a8bb Luca Barbieri 2010-02-24 224 r += one;
acffbe860bc220 Daniel Latypov 2022-06-16 225 KUNIT_ASSERT_EQ(test, v.counter, r);
86a8938078a8bb Luca Barbieri 2010-02-24 226
86a8938078a8bb Luca Barbieri 2010-02-24 227 INIT(0);
acffbe860bc220 Daniel Latypov 2022-06-16 228 KUNIT_ASSERT_FALSE(test, atomic64_inc_not_zero(&v));
acffbe860bc220 Daniel Latypov 2022-06-16 229 KUNIT_ASSERT_EQ(test, v.counter, r);
86a8938078a8bb Luca Barbieri 2010-02-24 230
86a8938078a8bb Luca Barbieri 2010-02-24 231 INIT(-one);
acffbe860bc220 Daniel Latypov 2022-06-16 232 KUNIT_ASSERT_TRUE(test, atomic64_inc_not_zero(&v));
86a8938078a8bb Luca Barbieri 2010-02-24 233 r += one;
acffbe860bc220 Daniel Latypov 2022-06-16 234 KUNIT_ASSERT_EQ(test, v.counter, r);
ffba19ccae8d98 Michael Ellerman 2017-07-14 235
ffba19ccae8d98 Michael Ellerman 2017-07-14 236 /* Confirm the return value fits in an int, even if the value doesn't */
ffba19ccae8d98 Michael Ellerman 2017-07-14 237 INIT(v3);
acffbe860bc220 Daniel Latypov 2022-06-16 238
ffba19ccae8d98 Michael Ellerman 2017-07-14 239 r_int = atomic64_inc_not_zero(&v);
acffbe860bc220 Daniel Latypov 2022-06-16 240 KUNIT_ASSERT_NE(test, r_int, 0);
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 @241 }
41b9e9fcc1c44b Peter Zijlstra 2015-07-13 242
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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