[iio:testing 19/19] drivers/iio/test/iio-test-format.c:98:1: warning: the frame size of 2336 bytes is larger than 2048 bytes

[kernel test robot <lkp@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git testing
head:   3347b9d6388587963d199b107278f89f05277a1b
commit: 3347b9d6388587963d199b107278f89f05277a1b [19/19] iio: Add basic unit test for iio_format_value()
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-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
        # https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git/commit/?id=3347b9d6388587963d199b107278f89f05277a1b
        git remote add iio https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
        git fetch --no-tags iio testing
        git checkout 3347b9d6388587963d199b107278f89f05277a1b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc 

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

All warnings (new ones prefixed by >>):

   drivers/iio/test/iio-test-format.c: In function 'iio_test_iio_format_value_fixedpoint':
>> drivers/iio/test/iio-test-format.c:98:1: warning: the frame size of 2336 bytes is larger than 2048 bytes [-Wframe-larger-than=]
      98 | }
         | ^


vim +98 drivers/iio/test/iio-test-format.c

    41	
    42	static void iio_test_iio_format_value_fixedpoint(struct kunit *test)
    43	{
    44		char *buf = kunit_kmalloc(test, PAGE_SIZE, GFP_KERNEL);
    45		int values[2];
    46		int ret;
    47	
    48		/* positive >= 1 */
    49		values[0] = 1;
    50		values[1] = 10;
    51	
    52		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values);
    53		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000010\n");
    54	
    55		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values);
    56		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000010 dB\n");
    57	
    58		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values);
    59		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "1.000000010\n");
    60	
    61		/* positive < 1 */
    62		values[0] = 0;
    63		values[1] = 12;
    64	
    65		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values);
    66		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000012\n");
    67	
    68		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values);
    69		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000012 dB\n");
    70	
    71		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values);
    72		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "0.000000012\n");
    73	
    74		/* negative <= -1 */
    75		values[0] = -1;
    76		values[1] = 10;
    77	
    78		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values);
    79		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000010\n");
    80	
    81		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values);
    82		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000010 dB\n");
    83	
    84		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values);
    85		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-1.000000010\n");
    86	
    87		/* negative > -1 */
    88		values[0] = 0;
    89		values[1] = -123;
    90		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO, 2, values);
    91		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000123\n");
    92	
    93		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_MICRO_DB, 2, values);
    94		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000123 dB\n");
    95	
    96		ret = iio_format_value(buf, IIO_VAL_INT_PLUS_NANO, 2, values);
    97		IIO_TEST_FORMAT_EXPECT_EQ(test, buf, ret, "-0.000000123\n");
  > 98	}
    99	

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

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