[f2fs:dev-test 15/41] include/trace/events/f2fs.h:1287:1: sparse: sparse: cast to restricted vm_fault_t

* [f2fs:dev-test 15/41] include/trace/events/f2fs.h:1287:1: sparse: sparse: cast to restricted vm_fault_t
@ 2019-04-24  1:26 kbuild test robot
  0 siblings, 0 replies; only message in thread
From: kbuild test robot @ 2019-04-24  1:26 UTC (permalink / raw)
  To: Chao Yu, Chao Yu; +Cc: Jaegeuk Kim, kbuild-all, linux-f2fs-devel

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test
head:   2f7ea3581030c1a146db350dc5d3bf068861145b
commit: 93ed4e0804b3b5e9dc7e2cfe522b0a407ab7198c [15/41] f2fs: add tracepoint for f2fs_filemap_fault()
reproduce:
        # apt-get install sparse
        git checkout 93ed4e0804b3b5e9dc7e2cfe522b0a407ab7198c
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)

>> include/trace/events/f2fs.h:1287:1: sparse: sparse: cast to restricted vm_fault_t
>> include/trace/events/f2fs.h:1287:1: sparse: sparse: cast to restricted vm_fault_t
>> include/trace/events/f2fs.h:1287:1: sparse: sparse: restricted vm_fault_t degrades to integer
>> include/trace/events/f2fs.h:1287:1: sparse: sparse: restricted vm_fault_t degrades to integer
   include/asm-generic/atomic-instrumented.h:239:26: sparse: sparse: context imbalance in 'f2fs_drop_inode' - unexpected unlock

vim +1287 include/trace/events/f2fs.h

  1286	
> 1287	TRACE_EVENT(f2fs_filemap_fault,
  1288	
  1289		TP_PROTO(struct inode *inode, pgoff_t index, enum vm_fault_reason ret),
  1290	
  1291		TP_ARGS(inode, index, ret),
  1292	
  1293		TP_STRUCT__entry(
  1294			__field(dev_t,	dev)
  1295			__field(ino_t,	ino)
  1296			__field(pgoff_t, index)
  1297			__field(enum vm_fault_reason, ret)
  1298		),
  1299	
  1300		TP_fast_assign(
  1301			__entry->dev	= inode->i_sb->s_dev;
  1302			__entry->ino	= inode->i_ino;
  1303			__entry->index	= index;
  1304			__entry->ret	= ret;
  1305		),
  1306	
  1307		TP_printk("dev = (%d,%d), ino = %lu, index = %lu, ret = %u",
  1308			show_dev_ino(__entry),
  1309			(unsigned long)__entry->index,
  1310			ret)
  1311	);
  1312	

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

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