tree: https://github.com/agraf/linux-2.6.git kvm-kho-gmem-test head: 9a58862a298a63bad21d05191e28b857063bb9dc commit: 55d4e99ed5b8909f348e838e03dda3cda4f2fa2e [9/27] x86: Add KHO support config: i386-randconfig-053-20240505 (https://download.01.org/0day-ci/archive/20240505/202405050433.d3JlKXuK-lkp@xxxxxxxxx/config) compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240505/202405050433.d3JlKXuK-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/202405050433.d3JlKXuK-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from init/initramfs.c:576: >> include/linux/kexec.h:369:34: error: field 'dt' has incomplete type 369 | struct kexec_buf dt; | ^~ >> include/linux/kexec.h:370:34: error: field 'mem_cache' has incomplete type 370 | struct kexec_buf mem_cache; | ^~~~~~~~~ -- In file included from kernel/kexec_kho_out.c:10: >> include/linux/kexec.h:369:34: error: field 'dt' has incomplete type 369 | struct kexec_buf dt; | ^~ >> include/linux/kexec.h:370:34: error: field 'mem_cache' has incomplete type 370 | struct kexec_buf mem_cache; | ^~~~~~~~~ kernel/kexec_kho_out.c: In function 'kho_mem_cache_add': kernel/kexec_kho_out.c:59:13: warning: variable 'prev_start' set but not used [-Wunused-but-set-variable] 59 | u64 prev_start = 0; | ^~~~~~~~~~ kernel/kexec_kho_out.c: In function 'kho_fill_kimage': >> kernel/kexec_kho_out.c:208:18: error: 'struct kexec_buf' has no member named 'image' 208 | .image = image, | ^~~~~ kernel/kexec_kho_out.c:208:26: warning: excess elements in struct initializer 208 | .image = image, | ^~~~~ kernel/kexec_kho_out.c:208:26: note: (near initialization for '(anonymous)') >> kernel/kexec_kho_out.c:209:18: error: 'struct kexec_buf' has no member named 'buffer' 209 | .buffer = NULL, | ^~~~~~ In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from include/linux/kasan-checks.h:5, from include/asm-generic/rwonce.h:26, from ./arch/x86/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:290, from include/linux/build_bug.h:5, from include/linux/init.h:5, from include/linux/cma.h:5, from kernel/kexec_kho_out.c:9: include/linux/stddef.h:8:14: warning: excess elements in struct initializer 8 | #define NULL ((void *)0) | ^ kernel/kexec_kho_out.c:209:27: note: in expansion of macro 'NULL' 209 | .buffer = NULL, | ^~~~ include/linux/stddef.h:8:14: note: (near initialization for '(anonymous)') 8 | #define NULL ((void *)0) | ^ kernel/kexec_kho_out.c:209:27: note: in expansion of macro 'NULL' 209 | .buffer = NULL, | ^~~~ >> kernel/kexec_kho_out.c:210:18: error: 'struct kexec_buf' has no member named 'bufsz' 210 | .bufsz = 0, | ^~~~~ kernel/kexec_kho_out.c:210:26: warning: excess elements in struct initializer 210 | .bufsz = 0, | ^ kernel/kexec_kho_out.c:210:26: note: (near initialization for '(anonymous)') >> kernel/kexec_kho_out.c:211:18: error: 'struct kexec_buf' has no member named 'mem' 211 | .mem = KEXEC_BUF_MEM_UNKNOWN, | ^~~ >> kernel/kexec_kho_out.c:211:24: error: 'KEXEC_BUF_MEM_UNKNOWN' undeclared (first use in this function) 211 | .mem = KEXEC_BUF_MEM_UNKNOWN, | ^~~~~~~~~~~~~~~~~~~~~ kernel/kexec_kho_out.c:211:24: note: each undeclared identifier is reported only once for each function it appears in kernel/kexec_kho_out.c:211:24: warning: excess elements in struct initializer kernel/kexec_kho_out.c:211:24: note: (near initialization for '(anonymous)') >> kernel/kexec_kho_out.c:212:18: error: 'struct kexec_buf' has no member named 'memsz' 212 | .memsz = 0, | ^~~~~ kernel/kexec_kho_out.c:212:26: warning: excess elements in struct initializer 212 | .memsz = 0, | ^ kernel/kexec_kho_out.c:212:26: note: (near initialization for '(anonymous)') >> kernel/kexec_kho_out.c:213:18: error: 'struct kexec_buf' has no member named 'buf_align' 213 | .buf_align = SZ_64K, /* Makes it easier to map */ | ^~~~~~~~~ In file included from include/linux/mm.h:27, from include/linux/pid_namespace.h:7, from include/linux/ptrace.h:10, from include/linux/elfcore.h:11, from include/linux/vmcore_info.h:6, from include/linux/kexec.h:18: include/linux/sizes.h:27:41: warning: excess elements in struct initializer 27 | #define SZ_64K 0x00010000 | ^~~~~~~~~~ kernel/kexec_kho_out.c:213:30: note: in expansion of macro 'SZ_64K' 213 | .buf_align = SZ_64K, /* Makes it easier to map */ | ^~~~~~ include/linux/sizes.h:27:41: note: (near initialization for '(anonymous)') 27 | #define SZ_64K 0x00010000 | ^~~~~~~~~~ kernel/kexec_kho_out.c:213:30: note: in expansion of macro 'SZ_64K' 213 | .buf_align = SZ_64K, /* Makes it easier to map */ | ^~~~~~ >> kernel/kexec_kho_out.c:214:18: error: 'struct kexec_buf' has no member named 'buf_max' 214 | .buf_max = ULONG_MAX, | ^~~~~~~ In file included from include/linux/limits.h:7, from include/linux/overflow.h:6, from include/linux/string.h:12, from arch/x86/include/asm/page_32.h:18, from arch/x86/include/asm/page.h:14, from arch/x86/include/asm/user_32.h:5, from arch/x86/include/asm/user.h:6, from include/linux/user.h:1, from include/linux/elfcore.h:5: include/vdso/limits.h:13:25: warning: excess elements in struct initializer 13 | #define ULONG_MAX (~0UL) | ^ kernel/kexec_kho_out.c:214:28: note: in expansion of macro 'ULONG_MAX' 214 | .buf_max = ULONG_MAX, | ^~~~~~~~~ include/vdso/limits.h:13:25: note: (near initialization for '(anonymous)') 13 | #define ULONG_MAX (~0UL) | ^ kernel/kexec_kho_out.c:214:28: note: in expansion of macro 'ULONG_MAX' 214 | .buf_max = ULONG_MAX, | ^~~~~~~~~ >> kernel/kexec_kho_out.c:215:18: error: 'struct kexec_buf' has no member named 'top_down' 215 | .top_down = true, | ^~~~~~~~ kernel/kexec_kho_out.c:215:29: warning: excess elements in struct initializer 215 | .top_down = true, | ^~~~ kernel/kexec_kho_out.c:215:29: note: (near initialization for '(anonymous)') >> kernel/kexec_kho_out.c:207:51: error: invalid use of undefined type 'struct kexec_buf' 207 | image->kho.mem_cache = (struct kexec_buf) { | ^ >> kernel/kexec_kho_out.c:231:15: error: implicit declaration of function 'kexec_add_buffer' [-Werror=implicit-function-declaration] 231 | err = kexec_add_buffer(&image->kho.mem_cache); | ^~~~~~~~~~~~~~~~ kernel/kexec_kho_out.c:247:18: error: 'struct kexec_buf' has no member named 'image' 247 | .image = image, | ^~~~~ kernel/kexec_kho_out.c:247:26: warning: excess elements in struct initializer 247 | .image = image, | ^~~~~ kernel/kexec_kho_out.c:247:26: note: (near initialization for '(anonymous)') kernel/kexec_kho_out.c:248:18: error: 'struct kexec_buf' has no member named 'buffer' 248 | .buffer = dt, | ^~~~~~ kernel/kexec_kho_out.c:248:27: warning: excess elements in struct initializer 248 | .buffer = dt, | ^~ kernel/kexec_kho_out.c:248:27: note: (near initialization for '(anonymous)') kernel/kexec_kho_out.c:249:18: error: 'struct kexec_buf' has no member named 'bufsz' 249 | .bufsz = kho.dt_len, | ^~~~~ kernel/kexec_kho_out.c:249:26: warning: excess elements in struct initializer 249 | .bufsz = kho.dt_len, | ^~~ kernel/kexec_kho_out.c:249:26: note: (near initialization for '(anonymous)') kernel/kexec_kho_out.c:250:18: error: 'struct kexec_buf' has no member named 'mem' 250 | .mem = KEXEC_BUF_MEM_UNKNOWN, | ^~~ kernel/kexec_kho_out.c:250:24: warning: excess elements in struct initializer 250 | .mem = KEXEC_BUF_MEM_UNKNOWN, | ^~~~~~~~~~~~~~~~~~~~~ kernel/kexec_kho_out.c:250:24: note: (near initialization for '(anonymous)') kernel/kexec_kho_out.c:251:18: error: 'struct kexec_buf' has no member named 'memsz' 251 | .memsz = kho.dt_len, | ^~~~~ kernel/kexec_kho_out.c:251:26: warning: excess elements in struct initializer 251 | .memsz = kho.dt_len, | ^~~ kernel/kexec_kho_out.c:251:26: note: (near initialization for '(anonymous)') kernel/kexec_kho_out.c:252:18: error: 'struct kexec_buf' has no member named 'buf_align' 252 | .buf_align = SZ_64K, /* Makes it easier to map */ | ^~~~~~~~~ include/linux/sizes.h:27:41: warning: excess elements in struct initializer 27 | #define SZ_64K 0x00010000 | ^~~~~~~~~~ kernel/kexec_kho_out.c:252:30: note: in expansion of macro 'SZ_64K' 252 | .buf_align = SZ_64K, /* Makes it easier to map */ | ^~~~~~ include/linux/sizes.h:27:41: note: (near initialization for '(anonymous)') 27 | #define SZ_64K 0x00010000 | ^~~~~~~~~~ kernel/kexec_kho_out.c:252:30: note: in expansion of macro 'SZ_64K' 252 | .buf_align = SZ_64K, /* Makes it easier to map */ | ^~~~~~ kernel/kexec_kho_out.c:253:18: error: 'struct kexec_buf' has no member named 'buf_max' 253 | .buf_max = ULONG_MAX, | ^~~~~~~ include/vdso/limits.h:13:25: warning: excess elements in struct initializer 13 | #define ULONG_MAX (~0UL) | ^ kernel/kexec_kho_out.c:253:28: note: in expansion of macro 'ULONG_MAX' 253 | .buf_max = ULONG_MAX, | ^~~~~~~~~ include/vdso/limits.h:13:25: note: (near initialization for '(anonymous)') 13 | #define ULONG_MAX (~0UL) | ^ kernel/kexec_kho_out.c:253:28: note: in expansion of macro 'ULONG_MAX' 253 | .buf_max = ULONG_MAX, | ^~~~~~~~~ kernel/kexec_kho_out.c:254:18: error: 'struct kexec_buf' has no member named 'top_down' 254 | .top_down = true, | ^~~~~~~~ kernel/kexec_kho_out.c:254:29: warning: excess elements in struct initializer 254 | .top_down = true, | ^~~~ kernel/kexec_kho_out.c:254:29: note: (near initialization for '(anonymous)') kernel/kexec_kho_out.c:246:44: error: invalid use of undefined type 'struct kexec_buf' 246 | image->kho.dt = (struct kexec_buf) { | ^ cc1: some warnings being treated as errors vim +/dt +369 include/linux/kexec.h 9336a5f64b54d2 Lakshmi Ramasubramanian 2021-02-21 366 4d945e93456555 Alexander Graf 2023-12-12 367 #ifdef CONFIG_KEXEC_KHO 4d945e93456555 Alexander Graf 2023-12-12 368 struct { 4d945e93456555 Alexander Graf 2023-12-12 @369 struct kexec_buf dt; 4d945e93456555 Alexander Graf 2023-12-12 @370 struct kexec_buf mem_cache; 4d945e93456555 Alexander Graf 2023-12-12 371 } kho; 4d945e93456555 Alexander Graf 2023-12-12 372 #endif 4d945e93456555 Alexander Graf 2023-12-12 373 9336a5f64b54d2 Lakshmi Ramasubramanian 2021-02-21 374 /* Core ELF header buffer */ 9336a5f64b54d2 Lakshmi Ramasubramanian 2021-02-21 375 void *elf_headers; 9336a5f64b54d2 Lakshmi Ramasubramanian 2021-02-21 376 unsigned long elf_headers_sz; 9336a5f64b54d2 Lakshmi Ramasubramanian 2021-02-21 377 unsigned long elf_load_addr; cb1052581e2bdd Vivek Goyal 2014-08-08 378 }; dc009d92435f99 Eric W. Biederman 2005-06-25 379 :::::: The code at line 369 was first introduced by commit :::::: 4d945e934565554b4f997c57162e833303f56cb0 kexec: Add KHO support to kexec file loads :::::: TO: Alexander Graf <graf@xxxxxxxxxx> :::::: CC: Alexander Graf <graf@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki