tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/next head: cbbbf3810e4e62ffc809fae78080d8ea260d7a81 commit: 7b15db327cde4c9557f7c54e3ea25942a663078c [7/11] locking/lockdep: Mark local_lock_t config: m68k-randconfig-r035-20201214 (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 # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?... git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue locking/next git checkout 7b15db327cde4c9557f7c54e3ea25942a663078c # 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: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): fs/squashfs/decompressor_multi_percpu.c: In function 'squashfs_decompressor_create': 46 | local_lock_init(&stream->lock); | ^ In file included from include/linux/spinlock.h:59, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from fs/squashfs/decompressor_multi_percpu.c:8: include/linux/lockdep.h:350: note: macro "lockdep_init_map_type" defined here 350 | # define lockdep_init_map_type(lock, name, key, sub, inner, outer) \ | In file included from include/linux/local_lock.h:5, from include/linux/radix-tree.h:20, from include/linux/fs.h:15, from include/linux/buffer_head.h:12, from fs/squashfs/decompressor_multi_percpu.c:10: include/linux/local_lock_internal.h:34:2: error: 'lockdep_init_map_type' undeclared (first use in this function); did you mean 'lockdep_wait_type'? 34 | lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, 0, \ | ^~~~~~~~~~~~~~~~~~~~~ include/linux/local_lock.h:10:32: note: in expansion of macro '__local_lock_init' 10 | #define local_lock_init(lock) __local_lock_init(lock) | ^~~~~~~~~~~~~~~~~ fs/squashfs/decompressor_multi_percpu.c:46:3: note: in expansion of macro 'local_lock_init' 46 | local_lock_init(&stream->lock); | ^~~~~~~~~~~~~~~ include/linux/local_lock_internal.h:34:2: note: each undeclared identifier is reported only once for each function it appears in 34 | lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, 0, \ | ^~~~~~~~~~~~~~~~~~~~~ include/linux/local_lock.h:10:32: note: in expansion of macro '__local_lock_init' 10 | #define local_lock_init(lock) __local_lock_init(lock) | ^~~~~~~~~~~~~~~~~ fs/squashfs/decompressor_multi_percpu.c:46:3: note: in expansion of macro 'local_lock_init' 46 | local_lock_init(&stream->lock); | ^~~~~~~~~~~~~~~ include/linux/local_lock_internal.h:31:31: warning: unused variable '__key' [-Wunused-variable] 31 | static struct lock_class_key __key; \ | ^~~~~ include/linux/local_lock.h:10:32: note: in expansion of macro '__local_lock_init' 10 | #define local_lock_init(lock) __local_lock_init(lock) | ^~~~~~~~~~~~~~~~~ fs/squashfs/decompressor_multi_percpu.c:46:3: note: in expansion of macro 'local_lock_init' 46 | local_lock_init(&stream->lock); | ^~~~~~~~~~~~~~~ At top level: include/linux/local_lock_internal.h:31:31: warning: '__key' defined but not used [-Wunused-variable] 31 | static struct lock_class_key __key; \ | ^~~~~ include/linux/local_lock.h:10:32: note: in expansion of macro '__local_lock_init' 10 | #define local_lock_init(lock) __local_lock_init(lock) | ^~~~~~~~~~~~~~~~~ fs/squashfs/decompressor_multi_percpu.c:46:3: note: in expansion of macro 'local_lock_init' 46 | local_lock_init(&stream->lock); | ^~~~~~~~~~~~~~~ vim +/lockdep_init_map_type +46 fs/squashfs/decompressor_multi_percpu.c d208383d640727b Phillip Lougher 2013-11-18 27 d208383d640727b Phillip Lougher 2013-11-18 28 void *squashfs_decompressor_create(struct squashfs_sb_info *msblk, d208383d640727b Phillip Lougher 2013-11-18 29 void *comp_opts) d208383d640727b Phillip Lougher 2013-11-18 30 { d208383d640727b Phillip Lougher 2013-11-18 31 struct squashfs_stream *stream; d208383d640727b Phillip Lougher 2013-11-18 32 struct squashfs_stream __percpu *percpu; d208383d640727b Phillip Lougher 2013-11-18 33 int err, cpu; d208383d640727b Phillip Lougher 2013-11-18 34 d208383d640727b Phillip Lougher 2013-11-18 35 percpu = alloc_percpu(struct squashfs_stream); d208383d640727b Phillip Lougher 2013-11-18 36 if (percpu == NULL) d208383d640727b Phillip Lougher 2013-11-18 37 return ERR_PTR(-ENOMEM); d208383d640727b Phillip Lougher 2013-11-18 38 d208383d640727b Phillip Lougher 2013-11-18 39 for_each_possible_cpu(cpu) { d208383d640727b Phillip Lougher 2013-11-18 40 stream = per_cpu_ptr(percpu, cpu); d208383d640727b Phillip Lougher 2013-11-18 41 stream->stream = msblk->decompressor->init(msblk, comp_opts); d208383d640727b Phillip Lougher 2013-11-18 42 if (IS_ERR(stream->stream)) { d208383d640727b Phillip Lougher 2013-11-18 43 err = PTR_ERR(stream->stream); d208383d640727b Phillip Lougher 2013-11-18 44 goto out; d208383d640727b Phillip Lougher 2013-11-18 45 } fd56200a16c72c7 Julia Cartwright 2020-05-27 @46 local_lock_init(&stream->lock); d208383d640727b Phillip Lougher 2013-11-18 47 } d208383d640727b Phillip Lougher 2013-11-18 48 d208383d640727b Phillip Lougher 2013-11-18 49 kfree(comp_opts); d208383d640727b Phillip Lougher 2013-11-18 50 return (__force void *) percpu; d208383d640727b Phillip Lougher 2013-11-18 51 d208383d640727b Phillip Lougher 2013-11-18 52 out: d208383d640727b Phillip Lougher 2013-11-18 53 for_each_possible_cpu(cpu) { d208383d640727b Phillip Lougher 2013-11-18 54 stream = per_cpu_ptr(percpu, cpu); d208383d640727b Phillip Lougher 2013-11-18 55 if (!IS_ERR_OR_NULL(stream->stream)) d208383d640727b Phillip Lougher 2013-11-18 56 msblk->decompressor->free(stream->stream); d208383d640727b Phillip Lougher 2013-11-18 57 } d208383d640727b Phillip Lougher 2013-11-18 58 free_percpu(percpu); d208383d640727b Phillip Lougher 2013-11-18 59 return ERR_PTR(err); d208383d640727b Phillip Lougher 2013-11-18 60 } d208383d640727b Phillip Lougher 2013-11-18 61 :::::: The code at line 46 was first introduced by commit :::::: fd56200a16c72c7c3ec3e54e06160dfaa5b8dee8 squashfs: Make use of local lock in multi_cpu decompressor :::::: TO: Julia Cartwright <julia(a)ni.com&gt; :::::: CC: Ingo Molnar <mingo(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org