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X-IronPort-AV: E=McAfee;i="6600,9927,10798"; a="375349998" X-IronPort-AV: E=Sophos;i="6.01,165,1684825200"; d="scan'208";a="375349998" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Aug 2023 02:10:40 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10798"; a="797958367" X-IronPort-AV: E=Sophos;i="6.01,165,1684825200"; d="scan'208";a="797958367" Received: from lkp-server01.sh.intel.com (HELO d1ccc7e87e8f) ([10.239.97.150]) by fmsmga008.fm.intel.com with ESMTP; 11 Aug 2023 02:10:38 -0700 Received: from kbuild by d1ccc7e87e8f with local (Exim 4.96) (envelope-from ) id 1qUOAH-0007fQ-1X; Fri, 11 Aug 2023 09:10:37 +0000 Date: Fri, 11 Aug 2023 17:10:01 +0800 From: kernel test robot To: Eric DeVolder Cc: oe-kbuild-all@lists.linux.dev, Andrew Morton , Linux Memory Management List , Sourabh Jain Subject: [akpm-mm:mm-nonmm-unstable 56/78] kernel/crash_core.c:331:23: error: invalid use of undefined type 'struct crash_mem' Message-ID: <202308111729.ApUbiGtj-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Queue-Id: 00782A0014 X-Rspam-User: X-Rspamd-Server: rspam02 X-Stat-Signature: 1zfx4k1hxjqfu98pso13ygkc9ehrysrf X-HE-Tag: 1691745041-385611 X-HE-Meta: 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 puQ1UYyk eK/F9Kpr4H9DA7Dvx4gvlMzskedSy3xxXSc0XOrNKeRdih3jY9oRdyN8V6hvZqSvWUtK0GwG/9H/8VayxP/AjsgBkOhPY0q9sZlZk1RXRlckCpqZW2nd8Z2iwxeayqvyR3xhEeAqVcCCvbyEpiljcooqIIwiF1k90it8tYbB1NLeR83vPVFF20pl8Rzkj81HIBjtzGRD8RVZ4ckADmLJqbB0JogRXIIH0y3damg2wCAnUFjOEQ7+h4+qCFNpvwEf1DHKNCHJnaCHgTwXovfPVt6cHZ1sRTZfwla9bRqLAB7FNhXT1l39XQuDKxKQ59v9zrpzFOAhrF/etNVrbOFSheGcE7V+HbzPSBNKw 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: tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable head: 0f6b2c125ce19074c1086a70119b02dd30b089a4 commit: 3f1eba00ee9d93b66f1859d40537befe44ceb1cd [56/78] crash: move a few code bits to setup support of crash hotplug config: i386-randconfig-r015-20230811 (https://download.01.org/0day-ci/archive/20230811/202308111729.ApUbiGtj-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230811/202308111729.ApUbiGtj-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/202308111729.ApUbiGtj-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/crash_core.c:318:40: warning: 'struct crash_mem' declared inside parameter list will not be visible outside of this definition or declaration 318 | int crash_prepare_elf64_headers(struct crash_mem *mem, int need_kernel_map, | ^~~~~~~~~ kernel/crash_core.c:318:5: warning: no previous prototype for 'crash_prepare_elf64_headers' [-Wmissing-prototypes] 318 | int crash_prepare_elf64_headers(struct crash_mem *mem, int need_kernel_map, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/crash_core.c: In function 'crash_prepare_elf64_headers': >> kernel/crash_core.c:331:23: error: invalid use of undefined type 'struct crash_mem' 331 | nr_phdr += mem->nr_ranges; | ^~ In file included from include/vdso/const.h:5, from include/linux/const.h:4, from include/linux/align.h:5, from include/linux/kernel.h:15, from include/linux/cpumask.h:10, from include/linux/mm_types_task.h:14, from include/linux/mm_types.h:5, from include/linux/buildid.h:5, from kernel/crash_core.c:7: >> kernel/crash_core.c:343:32: error: 'ELF_CORE_HEADER_ALIGN' undeclared (first use in this function) 343 | elf_sz = ALIGN(elf_sz, ELF_CORE_HEADER_ALIGN); | ^~~~~~~~~~~~~~~~~~~~~ include/uapi/linux/const.h:32:50: note: in definition of macro '__ALIGN_KERNEL_MASK' 32 | #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) | ^~~~ include/linux/align.h:8:33: note: in expansion of macro '__ALIGN_KERNEL' 8 | #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) | ^~~~~~~~~~~~~~ kernel/crash_core.c:343:18: note: in expansion of macro 'ALIGN' 343 | elf_sz = ALIGN(elf_sz, ELF_CORE_HEADER_ALIGN); | ^~~~~ kernel/crash_core.c:343:32: note: each undeclared identifier is reported only once for each function it appears in 343 | elf_sz = ALIGN(elf_sz, ELF_CORE_HEADER_ALIGN); | ^~~~~~~~~~~~~~~~~~~~~ include/uapi/linux/const.h:32:50: note: in definition of macro '__ALIGN_KERNEL_MASK' 32 | #define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask)) | ^~~~ include/linux/align.h:8:33: note: in expansion of macro '__ALIGN_KERNEL' 8 | #define ALIGN(x, a) __ALIGN_KERNEL((x), (a)) | ^~~~~~~~~~~~~~ kernel/crash_core.c:343:18: note: in expansion of macro 'ALIGN' 343 | elf_sz = ALIGN(elf_sz, ELF_CORE_HEADER_ALIGN); | ^~~~~ kernel/crash_core.c:393:28: error: invalid use of undefined type 'struct crash_mem' 393 | for (i = 0; i < mem->nr_ranges; i++) { | ^~ kernel/crash_core.c:394:29: error: invalid use of undefined type 'struct crash_mem' 394 | mstart = mem->ranges[i].start; | ^~ kernel/crash_core.c:395:27: error: invalid use of undefined type 'struct crash_mem' 395 | mend = mem->ranges[i].end; | ^~ kernel/crash_core.c: At top level: kernel/crash_core.c:417:36: warning: 'struct crash_mem' declared inside parameter list will not be visible outside of this definition or declaration 417 | int crash_exclude_mem_range(struct crash_mem *mem, | ^~~~~~~~~ kernel/crash_core.c:417:5: warning: no previous prototype for 'crash_exclude_mem_range' [-Wmissing-prototypes] 417 | int crash_exclude_mem_range(struct crash_mem *mem, | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/crash_core.c: In function 'crash_exclude_mem_range': kernel/crash_core.c:424:28: error: invalid use of undefined type 'struct crash_mem' 424 | for (i = 0; i < mem->nr_ranges; i++) { | ^~ kernel/crash_core.c:425:28: error: invalid use of undefined type 'struct crash_mem' 425 | start = mem->ranges[i].start; | ^~ kernel/crash_core.c:426:26: error: invalid use of undefined type 'struct crash_mem' 426 | end = mem->ranges[i].end; | ^~ kernel/crash_core.c:441:28: error: invalid use of undefined type 'struct crash_mem' 441 | mem->ranges[i].start = 0; | ^~ kernel/crash_core.c:442:28: error: invalid use of undefined type 'struct crash_mem' 442 | mem->ranges[i].end = 0; | ^~ kernel/crash_core.c:443:36: error: invalid use of undefined type 'struct crash_mem' 443 | if (i < mem->nr_ranges - 1) { | ^~ kernel/crash_core.c:445:52: error: invalid use of undefined type 'struct crash_mem' 445 | for (j = i; j < mem->nr_ranges - 1; j++) { | ^~ kernel/crash_core.c:446:44: error: invalid use of undefined type 'struct crash_mem' 446 | mem->ranges[j].start = | ^~ kernel/crash_core.c:447:52: error: invalid use of undefined type 'struct crash_mem' 447 | mem->ranges[j+1].start; | ^~ kernel/crash_core.c:448:44: error: invalid use of undefined type 'struct crash_mem' 448 | mem->ranges[j].end = | ^~ kernel/crash_core.c:449:60: error: invalid use of undefined type 'struct crash_mem' 449 | mem->ranges[j+1].end; | ^~ kernel/crash_core.c:458:36: error: invalid use of undefined type 'struct crash_mem' 458 | mem->nr_ranges--; | ^~ kernel/crash_core.c:461:28: error: invalid use of undefined type 'struct crash_mem' 461 | mem->nr_ranges--; | ^~ kernel/crash_core.c:467:28: error: invalid use of undefined type 'struct crash_mem' 467 | mem->ranges[i].end = p_start - 1; | ^~ kernel/crash_core.c:471:28: error: invalid use of undefined type 'struct crash_mem' 471 | mem->ranges[i].end = p_start - 1; | ^~ kernel/crash_core.c:473:28: error: invalid use of undefined type 'struct crash_mem' 473 | mem->ranges[i].start = p_end + 1; | ^~ kernel/crash_core.c:482:21: error: invalid use of undefined type 'struct crash_mem' 482 | if (i == mem->max_nr_ranges - 1) | ^~ kernel/crash_core.c:487:20: error: invalid use of undefined type 'struct crash_mem' 487 | if (j < mem->nr_ranges) { | ^~ kernel/crash_core.c:489:29: error: invalid use of undefined type 'struct crash_mem' 489 | for (i = mem->nr_ranges - 1; i >= j; i--) | ^~ kernel/crash_core.c:490:28: error: invalid use of undefined type 'struct crash_mem' 490 | mem->ranges[i + 1] = mem->ranges[i]; | ^~ vim +331 kernel/crash_core.c 317 318 int crash_prepare_elf64_headers(struct crash_mem *mem, int need_kernel_map, 319 void **addr, unsigned long *sz) 320 { 321 Elf64_Ehdr *ehdr; 322 Elf64_Phdr *phdr; 323 unsigned long nr_cpus = num_possible_cpus(), nr_phdr, elf_sz; 324 unsigned char *buf; 325 unsigned int cpu, i; 326 unsigned long long notes_addr; 327 unsigned long mstart, mend; 328 329 /* extra phdr for vmcoreinfo ELF note */ 330 nr_phdr = nr_cpus + 1; > 331 nr_phdr += mem->nr_ranges; 332 333 /* 334 * kexec-tools creates an extra PT_LOAD phdr for kernel text mapping 335 * area (for example, ffffffff80000000 - ffffffffa0000000 on x86_64). 336 * I think this is required by tools like gdb. So same physical 337 * memory will be mapped in two ELF headers. One will contain kernel 338 * text virtual addresses and other will have __va(physical) addresses. 339 */ 340 341 nr_phdr++; 342 elf_sz = sizeof(Elf64_Ehdr) + nr_phdr * sizeof(Elf64_Phdr); > 343 elf_sz = ALIGN(elf_sz, ELF_CORE_HEADER_ALIGN); 344 345 buf = vzalloc(elf_sz); 346 if (!buf) 347 return -ENOMEM; 348 349 ehdr = (Elf64_Ehdr *)buf; 350 phdr = (Elf64_Phdr *)(ehdr + 1); 351 memcpy(ehdr->e_ident, ELFMAG, SELFMAG); 352 ehdr->e_ident[EI_CLASS] = ELFCLASS64; 353 ehdr->e_ident[EI_DATA] = ELFDATA2LSB; 354 ehdr->e_ident[EI_VERSION] = EV_CURRENT; 355 ehdr->e_ident[EI_OSABI] = ELF_OSABI; 356 memset(ehdr->e_ident + EI_PAD, 0, EI_NIDENT - EI_PAD); 357 ehdr->e_type = ET_CORE; 358 ehdr->e_machine = ELF_ARCH; 359 ehdr->e_version = EV_CURRENT; 360 ehdr->e_phoff = sizeof(Elf64_Ehdr); 361 ehdr->e_ehsize = sizeof(Elf64_Ehdr); 362 ehdr->e_phentsize = sizeof(Elf64_Phdr); 363 364 /* Prepare one phdr of type PT_NOTE for each present CPU */ 365 for_each_present_cpu(cpu) { 366 phdr->p_type = PT_NOTE; 367 notes_addr = per_cpu_ptr_to_phys(per_cpu_ptr(crash_notes, cpu)); 368 phdr->p_offset = phdr->p_paddr = notes_addr; 369 phdr->p_filesz = phdr->p_memsz = sizeof(note_buf_t); 370 (ehdr->e_phnum)++; 371 phdr++; 372 } 373 374 /* Prepare one PT_NOTE header for vmcoreinfo */ 375 phdr->p_type = PT_NOTE; 376 phdr->p_offset = phdr->p_paddr = paddr_vmcoreinfo_note(); 377 phdr->p_filesz = phdr->p_memsz = VMCOREINFO_NOTE_SIZE; 378 (ehdr->e_phnum)++; 379 phdr++; 380 381 /* Prepare PT_LOAD type program header for kernel text region */ 382 if (need_kernel_map) { 383 phdr->p_type = PT_LOAD; 384 phdr->p_flags = PF_R|PF_W|PF_X; 385 phdr->p_vaddr = (unsigned long) _text; 386 phdr->p_filesz = phdr->p_memsz = _end - _text; 387 phdr->p_offset = phdr->p_paddr = __pa_symbol(_text); 388 ehdr->e_phnum++; 389 phdr++; 390 } 391 392 /* Go through all the ranges in mem->ranges[] and prepare phdr */ 393 for (i = 0; i < mem->nr_ranges; i++) { 394 mstart = mem->ranges[i].start; 395 mend = mem->ranges[i].end; 396 397 phdr->p_type = PT_LOAD; 398 phdr->p_flags = PF_R|PF_W|PF_X; 399 phdr->p_offset = mstart; 400 401 phdr->p_paddr = mstart; 402 phdr->p_vaddr = (unsigned long) __va(mstart); 403 phdr->p_filesz = phdr->p_memsz = mend - mstart + 1; 404 phdr->p_align = 0; 405 ehdr->e_phnum++; 406 pr_debug("Crash PT_LOAD ELF header. phdr=%p vaddr=0x%llx, paddr=0x%llx, sz=0x%llx e_phnum=%d p_offset=0x%llx\n", 407 phdr, phdr->p_vaddr, phdr->p_paddr, phdr->p_filesz, 408 ehdr->e_phnum, phdr->p_offset); 409 phdr++; 410 } 411 412 *addr = buf; 413 *sz = elf_sz; 414 return 0; 415 } 416 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki