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charset=us-ascii Content-Disposition: inline In-Reply-To: <20240924074341.37272-1-qiwu.chen@transsion.com> X-Rspam-User: X-Stat-Signature: xgcyraiie87nowssh9c41aq5m67krcjh X-Rspamd-Queue-Id: 61E3B2002B X-Rspamd-Server: rspam11 X-HE-Tag: 1727190447-468063 X-HE-Meta: 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 4AHiMHdT nDfflSL+G2QYDq0RRJSycJag2x9TfTgsIcu8O+LIyf7hkZBisBMpy0NO+Nlx+EZpGwKHsmjilUCo4eAFv0/FC4O8AJyKBM3B0YJ7Yd1JzA2VM7fug3yLGS+vAj4Yjco3PeiB5IONsZ3l+8cnZQZcT0SquBn78+7uTwgRyDL8d9kCsanor4eoYteT8DX6OSXHluV03BPO8uhd+yUGOQ8+fGyKsSMIF6zlXue0kPhFUAlwh6S6t7GUi1lJygsVzjQQiSB7F6jBHZRpedWP9Y9RAI8VcPssYsO0HJc//l7vfcJ6/hG8zw8cjVlUI1RcEiQjxAIqoISAi1qpbpXPY0IqT4DqUpU7CNOs2glu20NNZXIU048n0J4VmCZ0+8wq+gRsvvwcIitTOAR9PNDdc1ZD8LNJqvMcGuB2w9LFJIeBWwrLOIKZGB459BHOz9GN+7j5lYimxmQgZnyYa8fI= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi qiwu.chen, kernel test robot noticed the following build errors: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on brauner-vfs/vfs.all akpm-mm/mm-everything linus/master v6.11 next-20240924] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/qiwu-chen/arm64-show-signal-info-for-global-init/20240924-154508 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20240924074341.37272-1-qiwu.chen%40transsion.com patch subject: [PATCH v4 1/2] panic: add option to dump task maps info in panic_print config: arm-stm32_defconfig (https://download.01.org/0day-ci/archive/20240924/202409242252.cefLq5jM-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240924/202409242252.cefLq5jM-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202409242252.cefLq5jM-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/panic.c: In function 'dump_task_maps_info': >> kernel/panic.c:235:17: error: implicit declaration of function 'get_vma_name'; did you mean 'arch_vma_name'? [-Wimplicit-function-declaration] 235 | get_vma_name(vma, &path, &name, &name_fmt); | ^~~~~~~~~~~~ | arch_vma_name vim +235 kernel/panic.c 210 211 /* 212 * This function is called in panic proccess if the PANIC_PRINT_TASK_MAPS_INFO 213 * flag is specified in panic_print, which is helpful to debug panic issues due 214 * to an unhandled falut in user mode such as kill init. 215 */ 216 static void dump_task_maps_info(struct task_struct *tsk) 217 { 218 struct pt_regs *user_ret = task_pt_regs(tsk); 219 struct mm_struct *mm = tsk->mm; 220 struct vm_area_struct *vma; 221 222 if (!mm || !user_mode(user_ret)) 223 return; 224 225 pr_info("Dump task %s:%d maps start\n", tsk->comm, task_pid_nr(tsk)); 226 mmap_read_lock(mm); 227 VMA_ITERATOR(vmi, mm, 0); 228 for_each_vma(vmi, vma) { 229 int flags = vma->vm_flags; 230 unsigned long long pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT; 231 const struct path *path; 232 const char *name_fmt, *name; 233 char name_buf[SZ_256]; 234 > 235 get_vma_name(vma, &path, &name, &name_fmt); 236 if (path) { 237 name = d_path(path, name_buf, sizeof(name_buf)); 238 name = IS_ERR(name) ? "?" : name; 239 } else if (name || name_fmt) { 240 snprintf(name_buf, sizeof(name_buf), name_fmt ?: "%s", name); 241 name = name_buf; 242 } 243 244 if (name) 245 pr_info("%08lx-%08lx %c%c%c%c %08llx %s\n", 246 vma->vm_start, vma->vm_end, 247 flags & VM_READ ? 'r' : '-', 248 flags & VM_WRITE ? 'w' : '-', 249 flags & VM_EXEC ? 'x' : '-', 250 flags & VM_MAYSHARE ? 's' : 'p', 251 pgoff, name); 252 253 } 254 mmap_read_unlock(mm); 255 pr_info("Dump task %s:%d maps end\n", tsk->comm, task_pid_nr(tsk)); 256 } 257 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki