Hi Rishabh, Thank you for the patch! Yet something to improve: [auto build test ERROR on v5.6] [cannot apply to linus/master linux/master remoteproc/for-next rpmsg/for-next v5.7-rc1 next-20200416] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Rishabh-Bhatnagar/remoteproc-Mak... base: 7111951b8d4973bda27ff663f2cf18b663d15b48 config: arm-omap2plus_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/remoteproc/remoteproc_coredump.c: In function 'rproc_read_dump': 68 | &rproc->dump_segments, &data_left); | ^~~~~~~~~~ | | | size_t * {aka unsigned int *} drivers/remoteproc/remoteproc_coredump.c:24:23: note: expected 'long unsigned int *' but argument is of type 'size_t *' {aka 'unsigned int *'} 24 | unsigned long *data_left) | ~~~~~~~~~~~~~~~^~~~~~~~~ cc1: some warnings being treated as errors vim +/resolve_addr +68 drivers/remoteproc/remoteproc_coredump.c 44 45 static ssize_t rproc_read_dump(char *buffer, loff_t offset, size_t count, 46 void *data, size_t header_size) 47 { 48 void *device_mem; 49 size_t data_left, copy_size, bytes_left = count; 50 unsigned long addr; 51 struct rproc_coredump_state *dump_state = data; 52 struct rproc *rproc = dump_state->rproc; 53 void *elfcore = dump_state->header; 54 55 /* Copy the header first */ 56 if (offset < header_size) { 57 copy_size = header_size - offset; 58 copy_size = min(copy_size, bytes_left); 59 60 memcpy(buffer, elfcore + offset, copy_size); 61 offset += copy_size; 62 bytes_left -= copy_size; 63 buffer += copy_size; 64 } 65 66 while (bytes_left) { 67 addr = resolve_addr(offset - header_size, 69 /* EOF check */ 70 if (data_left == 0) { 71 pr_info("Ramdump complete %lld bytes read", offset); 72 break; 73 } 74 75 copy_size = min_t(size_t, bytes_left, data_left); 76 77 device_mem = rproc->ops->da_to_va(rproc, addr, copy_size); 78 if (!device_mem) { 79 pr_err("Address:%lx with size %zd out of remoteproc carveout\n", 80 addr, copy_size); 81 return -ENOMEM; 82 } 83 memcpy(buffer, device_mem, copy_size); 84 85 offset += copy_size; 86 buffer += copy_size; 87 bytes_left -= copy_size; 88 } 89 90 return count - bytes_left; 91 } 92 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org