tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 1e391b34f6aa043c7afa40a2103163a0ef06d179 commit: b2d1f5c72c630f7ded52898f5b655f1abcb57aa5 [3152/3348] lib: Move KUnit tests into tests/ subdirectory config: riscv-randconfig-001-20240806 (https://download.01.org/0day-ci/archive/20240807/202408070357.fsOhv7Od-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240807/202408070357.fsOhv7Od-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/202408070357.fsOhv7Od-lkp@xxxxxxxxx/ Note: the linux-next/master HEAD 1e391b34f6aa043c7afa40a2103163a0ef06d179 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): riscv64-linux-ld: kernel/resource.o: in function `__request_region_locked': >> kernel/resource.c:1246:(.text+0xe54): undefined reference to `devmem_is_allowed' >> riscv64-linux-ld: kernel/resource.c:1247:(.text+0xe62): undefined reference to `devmem_is_allowed' riscv64-linux-ld: drivers/char/mem.o: in function `page_is_allowed': >> drivers/char/mem.c:62:(.text+0x442): undefined reference to `devmem_is_allowed' >> riscv64-linux-ld: drivers/char/mem.c:62:(.text+0x7e4): undefined reference to `devmem_is_allowed' riscv64-linux-ld: drivers/char/mem.o: in function `range_is_allowed': drivers/char/mem.c:71:(.text+0xb28): undefined reference to `devmem_is_allowed' vim +1246 kernel/resource.c 71a1d8ed900f8c Daniel Vetter 2020-11-27 1206 63cdafe0af982e Alistair Popple 2021-05-06 1207 static int __request_region_locked(struct resource *res, struct resource *parent, d75fc8bbccf7c0 Greg Kroah-Hartman 2006-06-12 1208 resource_size_t start, resource_size_t n, e8de1481fd7126 Arjan van de Ven 2008-10-22 1209 const char *name, int flags) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1210 { 8b6d043b7ee2d1 Alan Cox 2010-03-29 1211 DECLARE_WAITQUEUE(wait, current); c26ec88ea86ad5 Bjorn Helgaas 2008-10-15 1212 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1213 res->name = name; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1214 res->start = start; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1215 res->end = start + n - 1; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1216 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1217 for (;;) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1218 struct resource *conflict; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1219 4e0d8f7eff3fbf Toshi Kani 2016-03-09 1220 res->flags = resource_type(parent) | resource_ext_type(parent); 4e0d8f7eff3fbf Toshi Kani 2016-03-09 1221 res->flags |= IORESOURCE_BUSY | flags; 4e0d8f7eff3fbf Toshi Kani 2016-03-09 1222 res->desc = parent->desc; 4e0d8f7eff3fbf Toshi Kani 2016-03-09 1223 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1224 conflict = __request_resource(parent, res); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1225 if (!conflict) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1226 break; b926b7f3baecb2 Dave Hansen 2019-02-25 1227 /* b926b7f3baecb2 Dave Hansen 2019-02-25 1228 * mm/hmm.c reserves physical addresses which then b926b7f3baecb2 Dave Hansen 2019-02-25 1229 * become unavailable to other users. Conflicts are b926b7f3baecb2 Dave Hansen 2019-02-25 1230 * not expected. Warn to aid debugging if encountered. b926b7f3baecb2 Dave Hansen 2019-02-25 1231 */ b926b7f3baecb2 Dave Hansen 2019-02-25 1232 if (conflict->desc == IORES_DESC_DEVICE_PRIVATE_MEMORY) { b926b7f3baecb2 Dave Hansen 2019-02-25 1233 pr_warn("Unaddressable device %s %pR conflicts with %pR", b926b7f3baecb2 Dave Hansen 2019-02-25 1234 conflict->name, conflict, res); b926b7f3baecb2 Dave Hansen 2019-02-25 1235 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1236 if (conflict != parent) { 59ceeaaf355fa0 Simon Guinot 2015-09-10 1237 if (!(conflict->flags & IORESOURCE_BUSY)) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1238 parent = conflict; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1239 continue; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1240 } 59ceeaaf355fa0 Simon Guinot 2015-09-10 1241 } 8b6d043b7ee2d1 Alan Cox 2010-03-29 1242 if (conflict->flags & flags & IORESOURCE_MUXED) { 8b6d043b7ee2d1 Alan Cox 2010-03-29 1243 add_wait_queue(&muxed_resource_wait, &wait); 8b6d043b7ee2d1 Alan Cox 2010-03-29 1244 write_unlock(&resource_lock); 8b6d043b7ee2d1 Alan Cox 2010-03-29 1245 set_current_state(TASK_UNINTERRUPTIBLE); 8b6d043b7ee2d1 Alan Cox 2010-03-29 @1246 schedule(); 8b6d043b7ee2d1 Alan Cox 2010-03-29 @1247 remove_wait_queue(&muxed_resource_wait, &wait); 8b6d043b7ee2d1 Alan Cox 2010-03-29 1248 write_lock(&resource_lock); 8b6d043b7ee2d1 Alan Cox 2010-03-29 1249 continue; 8b6d043b7ee2d1 Alan Cox 2010-03-29 1250 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1251 /* Uhhuh, that didn't work out.. */ 63cdafe0af982e Alistair Popple 2021-05-06 1252 return -EBUSY; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1253 } 63cdafe0af982e Alistair Popple 2021-05-06 1254 63cdafe0af982e Alistair Popple 2021-05-06 1255 return 0; 63cdafe0af982e Alistair Popple 2021-05-06 1256 } 63cdafe0af982e Alistair Popple 2021-05-06 1257 :::::: The code at line 1246 was first introduced by commit :::::: 8b6d043b7ee2d1b819dc833d677ea2aead71a0c0 resource: shared I/O region support :::::: TO: Alan Cox <alan@xxxxxxxxxxxxxxx> :::::: CC: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
