Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 31 Jan 2023 23:19:26 +0800 | From | Tzung-Bi Shih <> | Subject | Re: drivers/platform/chrome/cros_ec_proto_test.c:2530:13: warning: stack frame size (1040) exceeds limit (1024) in 'cros_ec_proto_test_get_sensor_count_legacy' |
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On Tue, Jan 31, 2023 at 06:22:29PM +0800, kernel test robot wrote: > Hi Tzung-Bi, > > FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 22b8077d0fcec86c6ed0e0fce9f7e7e5a4c2d56a > commit: 33f0fdba6066b504ee0b5f1480b1f93b06050df6 platform/chrome: cros_ec_proto: add Kunit tests for get_sensor_count > date: 7 months ago > config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230131/202301311846.Y75Dbssa-lkp@intel.com/config) > compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a) > 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 > # install powerpc cross compiling tool for clang build > # apt-get install binutils-powerpc-linux-gnu > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=33f0fdba6066b504ee0b5f1480b1f93b06050df6 > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 33f0fdba6066b504ee0b5f1480b1f93b06050df6 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/net/ethernet/mellanox/mlx5/core/steering/ drivers/platform/chrome/ drivers/staging/media/ > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot <lkp@intel.com> > > All warnings (new ones prefixed by >>): > > >> drivers/platform/chrome/cros_ec_proto_test.c:2530:13: warning: stack frame size (1040) exceeds limit (1024) in 'cros_ec_proto_test_get_sensor_count_legacy' [-Wframe-larger-than] > static void cros_ec_proto_test_get_sensor_count_legacy(struct kunit *test) > ^ > 140/1040 (13.46%) spills, 900/1040 (86.54%) variables > 1 warning generated. > > > vim +/cros_ec_proto_test_get_sensor_count_legacy +2530 drivers/platform/chrome/cros_ec_proto_test.c > > 2529 > > 2530 static void cros_ec_proto_test_get_sensor_count_legacy(struct kunit *test) > 2531 { > 2532 struct cros_ec_proto_test_priv *priv = test->priv; > 2533 struct cros_ec_device *ec_dev = &priv->ec_dev; > 2534 struct ec_xfer_mock *mock; > 2535 int ret, i; > 2536 struct cros_ec_dev ec;
The issue has been fixed in linux-next by [1].
[1]: https://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux.git/commit/?h=for-next&id=6514bac4a321daaf2fdf3a116a644c77e4908f20
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