tree:   
https://kernel.googlesource.com/pub/scm/linux/kernel/git/device-mapper/linux-dm.git
 for-next
head:   509818079bf1fefff4ed02d6a1b994e20efc0480
commit: 1529a543debdf75fb26e7ecd732da0cc36f78a36 [29/30] dm: add clone target
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-linux-gcc (GCC) 7.4.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 1529a543debdf75fb26e7ecd732da0cc36f78a36
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=sparc64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <[email protected]>

All error/warnings (new ones prefixed by >>):

   drivers//md/dm-clone-target.c: In function 'hash_table_init':
>> drivers//md/dm-clone-target.c:563:14: error: implicit declaration of 
>> function 'vmalloc'; did you mean 'kmalloc'? 
>> [-Werror=implicit-function-declaration]
     clone->ht = vmalloc(sz * sizeof(struct hash_table_bucket));
                 ^~~~~~~
                 kmalloc
>> drivers//md/dm-clone-target.c:563:12: warning: assignment makes pointer from 
>> integer without a cast [-Wint-conversion]
     clone->ht = vmalloc(sz * sizeof(struct hash_table_bucket));
               ^
   drivers//md/dm-clone-target.c: In function 'hash_table_exit':
>> drivers//md/dm-clone-target.c:579:2: error: implicit declaration of function 
>> 'vfree'; did you mean 'kfree'? [-Werror=implicit-function-declaration]
     vfree(clone->ht);
     ^~~~~
     kfree
   cc1: some warnings being treated as errors
--
   drivers//md/dm-clone-metadata.c: In function 'dirty_map_init':
>> drivers//md/dm-clone-metadata.c:466:28: error: implicit declaration of 
>> function 'vzalloc'; did you mean 'kvzalloc'? 
>> [-Werror=implicit-function-declaration]
     md->dmap[0].dirty_words = vzalloc(bitmap_size(md->nr_words));
                               ^~~~~~~
                               kvzalloc
>> drivers//md/dm-clone-metadata.c:466:26: warning: assignment makes pointer 
>> from integer without a cast [-Wint-conversion]
     md->dmap[0].dirty_words = vzalloc(bitmap_size(md->nr_words));
                             ^
   drivers//md/dm-clone-metadata.c:474:26: warning: assignment makes pointer 
from integer without a cast [-Wint-conversion]
     md->dmap[1].dirty_words = vzalloc(bitmap_size(md->nr_words));
                             ^
>> drivers//md/dm-clone-metadata.c:478:3: error: implicit declaration of 
>> function 'vfree'; did you mean 'kvfree'? 
>> [-Werror=implicit-function-declaration]
      vfree(md->dmap[0].dirty_words);
      ^~~~~
      kvfree
   drivers//md/dm-clone-metadata.c: In function 'dm_clone_metadata_open':
>> drivers//md/dm-clone-metadata.c:553:19: error: implicit declaration of 
>> function 'vmalloc'; did you mean 'kvmalloc'? 
>> [-Werror=implicit-function-declaration]
     md->region_map = vmalloc(bitmap_size(md->nr_regions));
                      ^~~~~~~
                      kvmalloc
   drivers//md/dm-clone-metadata.c:553:17: warning: assignment makes pointer 
from integer without a cast [-Wint-conversion]
     md->region_map = vmalloc(bitmap_size(md->nr_regions));
                    ^
   cc1: some warnings being treated as errors

vim +563 drivers//md/dm-clone-target.c

   549  
   550  #define bucket_lock_irqsave(bucket, flags) \
   551          spin_lock_irqsave(&(bucket)->lock, flags)
   552  
   553  #define bucket_unlock_irqrestore(bucket, flags) \
   554          spin_unlock_irqrestore(&(bucket)->lock, flags)
   555  
   556  static int hash_table_init(struct clone *clone)
   557  {
   558          unsigned int i, sz;
   559          struct hash_table_bucket *bucket;
   560  
   561          sz = 1 << HASH_TABLE_BITS;
   562  
 > 563          clone->ht = vmalloc(sz * sizeof(struct hash_table_bucket));
   564          if (!clone->ht)
   565                  return -ENOMEM;
   566  
   567          for (i = 0; i < sz; i++) {
   568                  bucket = clone->ht + i;
   569  
   570                  INIT_HLIST_HEAD(&bucket->head);
   571                  spin_lock_init(&bucket->lock);
   572          }
   573  
   574          return 0;
   575  }
   576  
   577  static void hash_table_exit(struct clone *clone)
   578  {
 > 579          vfree(clone->ht);
   580  }
   581  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip

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