tree: https://github.com/ceph/ceph-client.git testing head: b3a5867e0780ac0279cf1541ed985db78f186221 commit: a9112bbf346099ab532fc52ef87d46935fe8e519 [2/5] libceph: decode CRUSH device/bucket types and names config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout a9112bbf346099ab532fc52ef87d46935fe8e519 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): In file included from arch/m68k/include/asm/io_mm.h:25, from arch/m68k/include/asm/io.h:8, from include/linux/io.h:13, from include/linux/irq.h:20, from include/asm-generic/hardirq.h:13, from ./arch/m68k/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:9, from include/linux/highmem.h:10, from include/linux/pagemap.h:11, from include/linux/blkdev.h:16, from include/linux/backing-dev.h:15, from include/linux/ceph/libceph.h:8, from net/ceph/osdmap.c:8: arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsb': arch/m68k/include/asm/raw_io.h:83:7: warning: variable '__w' set but not used [-Wunused-but-set-variable] 83 | ({u8 __w, __v = (b); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/raw_io.h:430:3: note: in expansion of macro 'rom_out_8' 430 | rom_out_8(port, *buf++); | ^~~~~~~~~ arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw': arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable] 86 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/raw_io.h:448:3: note: in expansion of macro 'rom_out_be16' 448 | rom_out_be16(port, *buf++); | ^~~~~~~~~~~~ arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw_swapw': arch/m68k/include/asm/raw_io.h:90:8: warning: variable '__w' set but not used [-Wunused-but-set-variable] 90 | ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); | ^~~ arch/m68k/include/asm/raw_io.h:466:3: note: in expansion of macro 'rom_out_le16' 466 | rom_out_le16(port, *buf++); | ^~~~~~~~~~~~ In file included from include/linux/string.h:6, from include/linux/ceph/ceph_debug.h:7, from net/ceph/osdmap.c:3: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ In file included from arch/m68k/include/asm/bug.h:32, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from include/asm-generic/preempt.h:5, from ./arch/m68k/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/linux/stat.h:19, from include/linux/module.h:13, from net/ceph/osdmap.c:5: include/linux/dma-mapping.h: In function 'dma_map_resource': arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra] 169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/asm-generic/bug.h:139:27: note: in definition of macro 'WARN_ON_ONCE' 139 | int __ret_warn_once = !!(condition); | ^~~~~~~~~ arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro 'virt_addr_valid' 170 | #define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn)) | ^~~~~~~~~~~~~~~ include/linux/dma-mapping.h:352:19: note: in expansion of macro 'pfn_valid' 352 | if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr)))) | ^~~~~~~~~ net/ceph/osdmap.c: At top level: >> net/ceph/osdmap.c:203:6: warning: no previous prototype for 'clear_crush_names' [-Wmissing-prototypes] 203 | void clear_crush_names(struct rb_root *root) | ^~~~~~~~~~~~~~~~~ net/ceph/osdmap.c:249:6: warning: no previous prototype for 'clear_choose_args' [-Wmissing-prototypes] 249 | void clear_choose_args(struct crush_map *c) | ^~~~~~~~~~~~~~~~~ In file included from net/ceph/osdmap.c:8: include/linux/ceph/libceph.h:234:14: warning: 'lookup_crush_name' defined but not used [-Wunused-function] 234 | static type *lookup_##name(struct rb_root *root, lookup_param_type key) | ^~~~~~~ include/linux/ceph/libceph.h:268:1: note: in expansion of macro 'DEFINE_RB_LOOKUP_FUNC2' 268 | DEFINE_RB_LOOKUP_FUNC2(name, type, keyfld, RB_CMP3WAY, RB_BYVAL, | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/ceph/libceph.h:273:1: note: in expansion of macro 'DEFINE_RB_LOOKUP_FUNC' 273 | DEFINE_RB_LOOKUP_FUNC(name, type, keyfld, nodefld) | ^~~~~~~~~~~~~~~~~~~~~ net/ceph/osdmap.c:166:1: note: in expansion of macro 'DEFINE_RB_FUNCS' 166 | DEFINE_RB_FUNCS(crush_name, struct crush_name_node, cn_id, cn_node) | ^~~~~~~~~~~~~~~ vim +/clear_crush_names +203 net/ceph/osdmap.c 202 > 203 void clear_crush_names(struct rb_root *root) 204 { 205 while (!RB_EMPTY_ROOT(root)) { 206 struct crush_name_node *cn = 207 rb_entry(rb_first(root), struct crush_name_node, cn_node); 208 209 erase_crush_name(root, cn); 210 free_crush_name(cn); 211 } 212 } 213 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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