Hi Eric, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 1e72a0774792199f0a39d6f2c1dc1cfa32fcffcd commit: 62c177f4ed72c8c34d818f92f0d067a6c1b7cb80 [59/96] arm/kexec: refactor for kernel/Kconfig.kexec config: arm-randconfig-r016-20230703 (https://download.01.org/0day-ci/archive/20230704/202307040903.rVi8UJrJ-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230704/202307040903.rVi8UJrJ-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/202307040903.rVi8UJrJ-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/crash_dump.h:5, from block/blk-mq.c:28: >> include/linux/kexec.h:41:2: error: #error KEXEC_SOURCE_MEMORY_LIMIT not defined 41 | #error KEXEC_SOURCE_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:45:2: error: #error KEXEC_DESTINATION_MEMORY_LIMIT not defined 45 | #error KEXEC_DESTINATION_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:49:2: error: #error KEXEC_CONTROL_MEMORY_LIMIT not defined 49 | #error KEXEC_CONTROL_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:57:2: error: #error KEXEC_CONTROL_PAGE_SIZE not defined 57 | #error KEXEC_CONTROL_PAGE_SIZE not defined | ^~~~~ >> include/linux/kexec.h:61:2: error: #error KEXEC_ARCH not defined 61 | #error KEXEC_ARCH not defined | ^~~~~ -- In file included from arch/arm/kernel/setup.c:20: >> include/linux/kexec.h:41:2: error: #error KEXEC_SOURCE_MEMORY_LIMIT not defined 41 | #error KEXEC_SOURCE_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:45:2: error: #error KEXEC_DESTINATION_MEMORY_LIMIT not defined 45 | #error KEXEC_DESTINATION_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:49:2: error: #error KEXEC_CONTROL_MEMORY_LIMIT not defined 49 | #error KEXEC_CONTROL_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:57:2: error: #error KEXEC_CONTROL_PAGE_SIZE not defined 57 | #error KEXEC_CONTROL_PAGE_SIZE not defined | ^~~~~ >> include/linux/kexec.h:61:2: error: #error KEXEC_ARCH not defined 61 | #error KEXEC_ARCH not defined | ^~~~~ In file included from arch/arm/include/asm/efi.h:12, from arch/arm/kernel/setup.c:37: arch/arm/include/asm/fixmap.h:39:35: warning: '__end_of_fixed_addresses' defined but not used [-Wunused-const-variable=] 39 | static const enum fixed_addresses __end_of_fixed_addresses = | ^~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from kernel/kexec_core.c:15: >> include/linux/kexec.h:41:2: error: #error KEXEC_SOURCE_MEMORY_LIMIT not defined 41 | #error KEXEC_SOURCE_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:45:2: error: #error KEXEC_DESTINATION_MEMORY_LIMIT not defined 45 | #error KEXEC_DESTINATION_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:49:2: error: #error KEXEC_CONTROL_MEMORY_LIMIT not defined 49 | #error KEXEC_CONTROL_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:57:2: error: #error KEXEC_CONTROL_PAGE_SIZE not defined 57 | #error KEXEC_CONTROL_PAGE_SIZE not defined | ^~~~~ >> include/linux/kexec.h:61:2: error: #error KEXEC_ARCH not defined 61 | #error KEXEC_ARCH not defined | ^~~~~ kernel/kexec_core.c: In function 'sanity_check_segment_list': >> kernel/kexec_core.c:179:29: error: 'KEXEC_DESTINATION_MEMORY_LIMIT' undeclared (first use in this function); did you mean 'KEXEC_CRASH_CONTROL_MEMORY_LIMIT'? 179 | if (mend >= KEXEC_DESTINATION_MEMORY_LIMIT) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | KEXEC_CRASH_CONTROL_MEMORY_LIMIT kernel/kexec_core.c:179:29: note: each undeclared identifier is reported only once for each function it appears in kernel/kexec_core.c: In function 'kimage_alloc_normal_control_pages': >> kernel/kexec_core.c:388:31: error: 'KEXEC_CONTROL_MEMORY_LIMIT' undeclared (first use in this function); did you mean 'KEXEC_CONTROL_MEMORY_GFP'? 388 | if ((epfn >= (KEXEC_CONTROL_MEMORY_LIMIT >> PAGE_SHIFT)) || | ^~~~~~~~~~~~~~~~~~~~~~~~~~ | KEXEC_CONTROL_MEMORY_GFP kernel/kexec_core.c: In function 'kimage_alloc_crash_control_pages': >> include/linux/kexec.h:65:42: error: 'KEXEC_CONTROL_MEMORY_LIMIT' undeclared (first use in this function); did you mean 'KEXEC_CONTROL_MEMORY_GFP'? 65 | #define KEXEC_CRASH_CONTROL_MEMORY_LIMIT KEXEC_CONTROL_MEMORY_LIMIT | ^~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/kexec_core.c:454:32: note: in expansion of macro 'KEXEC_CRASH_CONTROL_MEMORY_LIMIT' 454 | if (hole_end > KEXEC_CRASH_CONTROL_MEMORY_LIMIT) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ kernel/kexec_core.c: In function 'kimage_alloc_page': >> kernel/kexec_core.c:721:34: error: 'KEXEC_SOURCE_MEMORY_LIMIT' undeclared (first use in this function); did you mean 'KEXEC_CRASH_CONTROL_MEMORY_LIMIT'? 721 | (KEXEC_SOURCE_MEMORY_LIMIT >> PAGE_SHIFT)) { | ^~~~~~~~~~~~~~~~~~~~~~~~~ | KEXEC_CRASH_CONTROL_MEMORY_LIMIT kernel/kexec_core.c: In function '__crash_kexec': kernel/kexec_core.c:1061:25: error: implicit declaration of function 'crash_setup_regs' [-Werror=implicit-function-declaration] 1061 | crash_setup_regs(&fixed_regs, regs); | ^~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from kernel/panic.c:25: >> include/linux/kexec.h:41:2: error: #error KEXEC_SOURCE_MEMORY_LIMIT not defined 41 | #error KEXEC_SOURCE_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:45:2: error: #error KEXEC_DESTINATION_MEMORY_LIMIT not defined 45 | #error KEXEC_DESTINATION_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:49:2: error: #error KEXEC_CONTROL_MEMORY_LIMIT not defined 49 | #error KEXEC_CONTROL_MEMORY_LIMIT not defined | ^~~~~ >> include/linux/kexec.h:57:2: error: #error KEXEC_CONTROL_PAGE_SIZE not defined 57 | #error KEXEC_CONTROL_PAGE_SIZE not defined | ^~~~~ >> include/linux/kexec.h:61:2: error: #error KEXEC_ARCH not defined 61 | #error KEXEC_ARCH not defined | ^~~~~ kernel/panic.c: In function '__warn': kernel/panic.c:666:17: warning: function '__warn' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 666 | vprintk(args->fmt, args->args); | ^~~~~~~ vim +41 include/linux/kexec.h dc009d92435f994 Eric W. Biederman 2005-06-25 39 dc009d92435f994 Eric W. Biederman 2005-06-25 40 #ifndef KEXEC_SOURCE_MEMORY_LIMIT dc009d92435f994 Eric W. Biederman 2005-06-25 @41 #error KEXEC_SOURCE_MEMORY_LIMIT not defined dc009d92435f994 Eric W. Biederman 2005-06-25 42 #endif dc009d92435f994 Eric W. Biederman 2005-06-25 43 dc009d92435f994 Eric W. Biederman 2005-06-25 44 #ifndef KEXEC_DESTINATION_MEMORY_LIMIT dc009d92435f994 Eric W. Biederman 2005-06-25 @45 #error KEXEC_DESTINATION_MEMORY_LIMIT not defined dc009d92435f994 Eric W. Biederman 2005-06-25 46 #endif dc009d92435f994 Eric W. Biederman 2005-06-25 47 dc009d92435f994 Eric W. Biederman 2005-06-25 48 #ifndef KEXEC_CONTROL_MEMORY_LIMIT dc009d92435f994 Eric W. Biederman 2005-06-25 @49 #error KEXEC_CONTROL_MEMORY_LIMIT not defined dc009d92435f994 Eric W. Biederman 2005-06-25 50 #endif dc009d92435f994 Eric W. Biederman 2005-06-25 51 7e01b5acd88b3f3 Martin Schwidefsky 2015-04-16 52 #ifndef KEXEC_CONTROL_MEMORY_GFP dc5cccacf4272da Russell King 2016-08-02 53 #define KEXEC_CONTROL_MEMORY_GFP (GFP_KERNEL | __GFP_NORETRY) 7e01b5acd88b3f3 Martin Schwidefsky 2015-04-16 54 #endif 7e01b5acd88b3f3 Martin Schwidefsky 2015-04-16 55 163f6876f5c3ff8 Huang Ying 2008-08-15 56 #ifndef KEXEC_CONTROL_PAGE_SIZE 163f6876f5c3ff8 Huang Ying 2008-08-15 @57 #error KEXEC_CONTROL_PAGE_SIZE not defined dc009d92435f994 Eric W. Biederman 2005-06-25 58 #endif dc009d92435f994 Eric W. Biederman 2005-06-25 59 dc009d92435f994 Eric W. Biederman 2005-06-25 60 #ifndef KEXEC_ARCH dc009d92435f994 Eric W. Biederman 2005-06-25 @61 #error KEXEC_ARCH not defined dc009d92435f994 Eric W. Biederman 2005-06-25 62 #endif dc009d92435f994 Eric W. Biederman 2005-06-25 63 3d214faea6e4f9b Michael Holzheu 2011-10-30 64 #ifndef KEXEC_CRASH_CONTROL_MEMORY_LIMIT 3d214faea6e4f9b Michael Holzheu 2011-10-30 @65 #define KEXEC_CRASH_CONTROL_MEMORY_LIMIT KEXEC_CONTROL_MEMORY_LIMIT 3d214faea6e4f9b Michael Holzheu 2011-10-30 66 #endif 3d214faea6e4f9b Michael Holzheu 2011-10-30 67 :::::: The code at line 41 was first introduced by commit :::::: dc009d92435f99498cbc579ce76bf28e837e2c14 [PATCH] kexec: add kexec syscalls :::::: TO: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
