Hi Srinivas, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on robh/for-next linux/master linus/master v5.17-rc1 next-20220125] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Srinivas-Kandagatla/misc-fastrpc-Add-missing-DSP-FastRPC-features/20220126-215705 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 515a2f507491e7c3818e74ef4f4e088c1fecb190 config: hexagon-randconfig-r041-20220124 (https://download.01.org/0day-ci/archive/20220127/202201270440.GvskN5kg-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 2a1b7aa016c0f4b5598806205bdfbab1ea2d92c4) 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/0day-ci/linux/commit/70d5973b9373ab26b6a1ed520ee07b71c7bdba63 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Srinivas-Kandagatla/misc-fastrpc-Add-missing-DSP-FastRPC-features/20220126-215705 git checkout 70d5973b9373ab26b6a1ed520ee07b71c7bdba63 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/misc/ 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/misc/fastrpc.c:1862:13: warning: stack frame size (1256) exceeds limit (1024) in 'fastrpc_device_ioctl' [-Wframe-larger-than] static long fastrpc_device_ioctl(struct file *file, unsigned int cmd, ^ 1 warning generated. vim +/fastrpc_device_ioctl +1862 drivers/misc/fastrpc.c b1c0b7969aa4918 Jeya R 2022-01-26 1861 c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 @1862 static long fastrpc_device_ioctl(struct file *file, unsigned int cmd, c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1863 unsigned long arg) c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1864 { c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1865 struct fastrpc_user *fl = (struct fastrpc_user *)file->private_data; c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1866 char __user *argp = (char __user *)arg; c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1867 int err; c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1868 c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1869 switch (cmd) { c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1870 case FASTRPC_IOCTL_INVOKE: c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1871 err = fastrpc_invoke(fl, argp); c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1872 break; d73f71c7c6ee158 Srinivas Kandagatla 2019-02-08 1873 case FASTRPC_IOCTL_INIT_ATTACH: 6010d9befc8df89 Jonathan Marek 2020-09-08 1874 err = fastrpc_init_attach(fl, AUDIO_PD); 6010d9befc8df89 Jonathan Marek 2020-09-08 1875 break; 6010d9befc8df89 Jonathan Marek 2020-09-08 1876 case FASTRPC_IOCTL_INIT_ATTACH_SNS: 6010d9befc8df89 Jonathan Marek 2020-09-08 1877 err = fastrpc_init_attach(fl, SENSORS_PD); d73f71c7c6ee158 Srinivas Kandagatla 2019-02-08 1878 break; d73f71c7c6ee158 Srinivas Kandagatla 2019-02-08 1879 case FASTRPC_IOCTL_INIT_CREATE: d73f71c7c6ee158 Srinivas Kandagatla 2019-02-08 1880 err = fastrpc_init_create_process(fl, argp); d73f71c7c6ee158 Srinivas Kandagatla 2019-02-08 1881 break; 6cffd79504ce040 Srinivas Kandagatla 2019-02-08 1882 case FASTRPC_IOCTL_ALLOC_DMA_BUFF: 6cffd79504ce040 Srinivas Kandagatla 2019-02-08 1883 err = fastrpc_dmabuf_alloc(fl, argp); 6cffd79504ce040 Srinivas Kandagatla 2019-02-08 1884 break; 2419e55e532de14 Jorge Ramirez-Ortiz 2019-10-09 1885 case FASTRPC_IOCTL_MMAP: 2419e55e532de14 Jorge Ramirez-Ortiz 2019-10-09 1886 err = fastrpc_req_mmap(fl, argp); 2419e55e532de14 Jorge Ramirez-Ortiz 2019-10-09 1887 break; 2419e55e532de14 Jorge Ramirez-Ortiz 2019-10-09 1888 case FASTRPC_IOCTL_MUNMAP: 2419e55e532de14 Jorge Ramirez-Ortiz 2019-10-09 1889 err = fastrpc_req_munmap(fl, argp); 2419e55e532de14 Jorge Ramirez-Ortiz 2019-10-09 1890 break; b1c0b7969aa4918 Jeya R 2022-01-26 1891 case FASTRPC_IOCTL_MEM_MAP: b1c0b7969aa4918 Jeya R 2022-01-26 1892 err = fastrpc_req_mem_map(fl, argp); b1c0b7969aa4918 Jeya R 2022-01-26 1893 break; b1c0b7969aa4918 Jeya R 2022-01-26 1894 case FASTRPC_IOCTL_MEM_UNMAP: b1c0b7969aa4918 Jeya R 2022-01-26 1895 err = fastrpc_req_mem_unmap(fl, argp); b1c0b7969aa4918 Jeya R 2022-01-26 1896 break; a22465bb4904fac Jeya R 2022-01-26 1897 case FASTRPC_IOCTL_GET_DSP_INFO: a22465bb4904fac Jeya R 2022-01-26 1898 err = fastrpc_get_dsp_info(fl, argp); a22465bb4904fac Jeya R 2022-01-26 1899 break; c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1900 default: c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1901 err = -ENOTTY; c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1902 break; c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1903 } c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1904 c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1905 return err; c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1906 } c68cfb718c8f97b Srinivas Kandagatla 2019-02-08 1907 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
