Hi Smita, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/x86/core] [also build test ERROR on tip/auto-latest efi/next v5.9-rc2 next-20200825] [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/Smita-Koralahalli/Decode-raw-MSR-values-of-MCA-registers-in-BERT/20200825-224828 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git ef2ff0f5d6008d325c9a068e20981c0d0acc4d6b config: x86_64-randconfig-r024-20200826 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): ld: drivers/firmware/efi/cper-x86.o: in function `cper_print_proc_ia': >> drivers/firmware/efi/cper-x86.c:350: undefined reference to `arch_apei_report_x86_error' # https://github.com/0day-ci/linux/commit/40a67e64577bd2fee8aa3218efdbec2122cbe08d git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Smita-Koralahalli/Decode-raw-MSR-values-of-MCA-registers-in-BERT/20200825-224828 git checkout 40a67e64577bd2fee8aa3218efdbec2122cbe08d vim +350 drivers/firmware/efi/cper-x86.c 255 256 void cper_print_proc_ia(const char *pfx, const struct cper_sec_proc_ia *proc) 257 { 258 int i; 259 struct cper_ia_err_info *err_info; 260 struct cper_ia_proc_ctx *ctx_info; 261 char newpfx[64], infopfx[64]; 262 u8 err_type; 263 264 if (proc->validation_bits & VALID_LAPIC_ID) 265 printk("%sLocal APIC_ID: 0x%llx\n", pfx, proc->lapic_id); 266 267 if (proc->validation_bits & VALID_CPUID_INFO) { 268 printk("%sCPUID Info:\n", pfx); 269 print_hex_dump(pfx, "", DUMP_PREFIX_OFFSET, 16, 4, proc->cpuid, 270 sizeof(proc->cpuid), 0); 271 } 272 273 snprintf(newpfx, sizeof(newpfx), "%s ", pfx); 274 275 err_info = (struct cper_ia_err_info *)(proc + 1); 276 for (i = 0; i < VALID_PROC_ERR_INFO_NUM(proc->validation_bits); i++) { 277 printk("%sError Information Structure %d:\n", pfx, i); 278 279 err_type = cper_get_err_type(&err_info->err_type); 280 printk("%sError Structure Type: %s\n", newpfx, 281 err_type < ARRAY_SIZE(cper_proc_error_type_strs) ? 282 cper_proc_error_type_strs[err_type] : "unknown"); 283 284 if (err_type >= N_ERR_TYPES) { 285 printk("%sError Structure Type: %pUl\n", newpfx, 286 &err_info->err_type); 287 } 288 289 if (err_info->validation_bits & INFO_VALID_CHECK_INFO) { 290 printk("%sCheck Information: 0x%016llx\n", newpfx, 291 err_info->check_info); 292 293 if (err_type < N_ERR_TYPES) { 294 snprintf(infopfx, sizeof(infopfx), "%s ", 295 newpfx); 296 297 print_err_info(infopfx, err_type, 298 err_info->check_info); 299 } 300 } 301 302 if (err_info->validation_bits & INFO_VALID_TARGET_ID) { 303 printk("%sTarget Identifier: 0x%016llx\n", 304 newpfx, err_info->target_id); 305 } 306 307 if (err_info->validation_bits & INFO_VALID_REQUESTOR_ID) { 308 printk("%sRequestor Identifier: 0x%016llx\n", 309 newpfx, err_info->requestor_id); 310 } 311 312 if (err_info->validation_bits & INFO_VALID_RESPONDER_ID) { 313 printk("%sResponder Identifier: 0x%016llx\n", 314 newpfx, err_info->responder_id); 315 } 316 317 if (err_info->validation_bits & INFO_VALID_IP) { 318 printk("%sInstruction Pointer: 0x%016llx\n", 319 newpfx, err_info->ip); 320 } 321 322 err_info++; 323 } 324 325 ctx_info = (struct cper_ia_proc_ctx *)err_info; 326 for (i = 0; i < VALID_PROC_CXT_INFO_NUM(proc->validation_bits); i++) { 327 int size = sizeof(*ctx_info) + ctx_info->reg_arr_size; 328 int groupsize = 4; 329 330 printk("%sContext Information Structure %d:\n", pfx, i); 331 332 printk("%sRegister Context Type: %s\n", newpfx, 333 ctx_info->reg_ctx_type < ARRAY_SIZE(ia_reg_ctx_strs) ? 334 ia_reg_ctx_strs[ctx_info->reg_ctx_type] : "unknown"); 335 336 printk("%sRegister Array Size: 0x%04x\n", newpfx, 337 ctx_info->reg_arr_size); 338 339 if (ctx_info->reg_ctx_type == CTX_TYPE_MSR) { 340 groupsize = 8; /* MSRs are 8 bytes wide. */ 341 printk("%sMSR Address: 0x%08x\n", newpfx, 342 ctx_info->msr_addr); 343 } 344 345 if (ctx_info->reg_ctx_type == CTX_TYPE_MMREG) { 346 printk("%sMM Register Address: 0x%016llx\n", newpfx, 347 ctx_info->mm_reg_addr); 348 } 349 > 350 if (arch_apei_report_x86_error(proc, ctx_info)) { --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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