Hi Baoquan, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [cannot apply to tip/x86/core arm64/for-next/core powerpc/next powerpc/fixes v6.7 next-20240119] [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/Baoquan-He/kexec-split-crashkernel-reservation-code-out-from-crash_core-c/20240119-225820 base: linus/master patch link: https://lore.kernel.org/r/20240119145241.769622-12-bhe%40redhat.com patch subject: [PATCH v2 11/14] arm, crash: wrap crash dumping code into crash related ifdefs config: arm-randconfig-001-20240120 (https://download.01.org/0day-ci/archive/20240120/202401202057.aPg08Eh8-lkp@xxxxxxxxx/config) compiler: clang version 18.0.0git (https://github.com/llvm/llvm-project d92ce344bf641e6bb025b41b3f1a77dd25e2b3e9) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240120/202401202057.aPg08Eh8-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202401202057.aPg08Eh8-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> arch/arm/kernel/setup.c:1036:49: error: use of undeclared identifier 'SECTION_SIZE' 1036 | start = memblock_phys_alloc_range(crash_size, SECTION_SIZE, | ^ 1 error generated. vim +/SECTION_SIZE +1036 arch/arm/kernel/setup.c 3c57fb43c8fcbe Mika Westerberg 2010-05-10 995 3c57fb43c8fcbe Mika Westerberg 2010-05-10 996 /** 3c57fb43c8fcbe Mika Westerberg 2010-05-10 997 * reserve_crashkernel() - reserves memory are for crash kernel 3c57fb43c8fcbe Mika Westerberg 2010-05-10 998 * 3c57fb43c8fcbe Mika Westerberg 2010-05-10 999 * This function reserves memory area given in "crashkernel=" kernel command 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1000 * line parameter. The memory reserved is used by a dump capture kernel when 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1001 * primary kernel is crashing. 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1002 */ 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1003 static void __init reserve_crashkernel(void) 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1004 { 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1005 unsigned long long crash_size, crash_base; 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1006 unsigned long long total_mem; 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1007 int ret; 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1008 8f460484669cba Baoquan He 2024-01-19 1009 if (!IS_ENABLED(CONFIG_CRASH_RESERVE)) 8f460484669cba Baoquan He 2024-01-19 1010 return; 8f460484669cba Baoquan He 2024-01-19 1011 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1012 total_mem = get_total_mem(); 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1013 ret = parse_crashkernel(boot_command_line, total_mem, a9e1a3d84e4a0e Baoquan He 2023-09-14 1014 &crash_size, &crash_base, a9e1a3d84e4a0e Baoquan He 2023-09-14 1015 NULL, NULL); 9d17f337230642 Austin Kim 2022-04-01 1016 /* invalid value specified or crashkernel=0 */ 9d17f337230642 Austin Kim 2022-04-01 1017 if (ret || !crash_size) 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1018 return; 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1019 61603016e2122b Russell King 2016-03-14 1020 if (crash_base <= 0) { d0506a2395eb07 Russell King 2016-04-01 1021 unsigned long long crash_max = idmap_to_phys((u32)~0); 67556d7a851c20 Russell King 2017-07-19 1022 unsigned long long lowmem_max = __pa(high_memory - 1) + 1; 67556d7a851c20 Russell King 2017-07-19 1023 if (crash_max > lowmem_max) 67556d7a851c20 Russell King 2017-07-19 1024 crash_max = lowmem_max; a7259df7670240 Mike Rapoport 2021-09-02 1025 a7259df7670240 Mike Rapoport 2021-09-02 1026 crash_base = memblock_phys_alloc_range(crash_size, CRASH_ALIGN, a7259df7670240 Mike Rapoport 2021-09-02 1027 CRASH_ALIGN, crash_max); 61603016e2122b Russell King 2016-03-14 1028 if (!crash_base) { 61603016e2122b Russell King 2016-03-14 1029 pr_err("crashkernel reservation failed - No suitable area found.\n"); 61603016e2122b Russell King 2016-03-14 1030 return; 61603016e2122b Russell King 2016-03-14 1031 } 61603016e2122b Russell King 2016-03-14 1032 } else { a7259df7670240 Mike Rapoport 2021-09-02 1033 unsigned long long crash_max = crash_base + crash_size; 61603016e2122b Russell King 2016-03-14 1034 unsigned long long start; 61603016e2122b Russell King 2016-03-14 1035 a7259df7670240 Mike Rapoport 2021-09-02 @1036 start = memblock_phys_alloc_range(crash_size, SECTION_SIZE, a7259df7670240 Mike Rapoport 2021-09-02 1037 crash_base, crash_max); a7259df7670240 Mike Rapoport 2021-09-02 1038 if (!start) { 61603016e2122b Russell King 2016-03-14 1039 pr_err("crashkernel reservation failed - memory is in use.\n"); 61603016e2122b Russell King 2016-03-14 1040 return; 61603016e2122b Russell King 2016-03-14 1041 } 61603016e2122b Russell King 2016-03-14 1042 } 61603016e2122b Russell King 2016-03-14 1043 1b0f6681fcbc0e Olof Johansson 2013-12-05 1044 pr_info("Reserving %ldMB of memory at %ldMB for crashkernel (System RAM: %ldMB)\n", 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1045 (unsigned long)(crash_size >> 20), 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1046 (unsigned long)(crash_base >> 20), 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1047 (unsigned long)(total_mem >> 20)); 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1048 f7f0b7dc720f81 Russell King 2016-08-02 1049 /* The crashk resource must always be located in normal mem */ 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1050 crashk_res.start = crash_base; 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1051 crashk_res.end = crash_base + crash_size - 1; 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1052 insert_resource(&iomem_resource, &crashk_res); f7f0b7dc720f81 Russell King 2016-08-02 1053 f7f0b7dc720f81 Russell King 2016-08-02 1054 if (arm_has_idmap_alias()) { f7f0b7dc720f81 Russell King 2016-08-02 1055 /* f7f0b7dc720f81 Russell King 2016-08-02 1056 * If we have a special RAM alias for use at boot, we f7f0b7dc720f81 Russell King 2016-08-02 1057 * need to advertise to kexec tools where the alias is. f7f0b7dc720f81 Russell King 2016-08-02 1058 */ f7f0b7dc720f81 Russell King 2016-08-02 1059 static struct resource crashk_boot_res = { f7f0b7dc720f81 Russell King 2016-08-02 1060 .name = "Crash kernel (boot alias)", f7f0b7dc720f81 Russell King 2016-08-02 1061 .flags = IORESOURCE_BUSY | IORESOURCE_MEM, f7f0b7dc720f81 Russell King 2016-08-02 1062 }; f7f0b7dc720f81 Russell King 2016-08-02 1063 f7f0b7dc720f81 Russell King 2016-08-02 1064 crashk_boot_res.start = phys_to_idmap(crash_base); f7f0b7dc720f81 Russell King 2016-08-02 1065 crashk_boot_res.end = crashk_boot_res.start + crash_size - 1; f7f0b7dc720f81 Russell King 2016-08-02 1066 insert_resource(&iomem_resource, &crashk_boot_res); f7f0b7dc720f81 Russell King 2016-08-02 1067 } 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1068 } 3c57fb43c8fcbe Mika Westerberg 2010-05-10 1069 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
