* [ammarfaizi2-block:axboe/linux-block/for-next 91/112] include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t
@ 2022-07-16 15:40 kernel test robot
2022-07-17 14:50 ` Bart Van Assche
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2022-07-16 15:40 UTC (permalink / raw
To: Bart Van Assche
Cc: kbuild-all, Ammar Faizi, GNU/Weeb Mailing List, linux-kernel,
Jens Axboe, Ryusuke Konishi
tree: https://github.com/ammarfaizi2/linux-block axboe/linux-block/for-next
head: b1fc9e8ad3d2d294d15e87d57af00890cd23cfc4
commit: ed4512590bd5839f8ea9eef1626b0f4db626b1d1 [91/112] fs/nilfs2: Use the enum req_op and blk_opf_t types
config: mips-randconfig-s033-20220715 (https://download.01.org/0day-ci/archive/20220716/202207162314.Jz305X9h-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://github.com/ammarfaizi2/linux-block/commit/ed4512590bd5839f8ea9eef1626b0f4db626b1d1
git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
git fetch --no-tags ammarfaizi2-block axboe/linux-block/for-next
git checkout ed4512590bd5839f8ea9eef1626b0f4db626b1d1
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips SHELL=/bin/bash fs/nilfs2/ fs/zonefs/./
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
fs/nilfs2/segment.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, include/trace/events/nilfs2.h):
>> include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t
>> include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t
>> include/trace/events/nilfs2.h:191:1: sparse: sparse: restricted blk_opf_t degrades to integer
>> include/trace/events/nilfs2.h:191:1: sparse: sparse: restricted blk_opf_t degrades to integer
vim +191 include/trace/events/nilfs2.h
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 190
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 @191 TRACE_EVENT(nilfs2_mdt_submit_block,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 192 TP_PROTO(struct inode *inode,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 193 unsigned long ino,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 194 unsigned long blkoff,
ed4512590bd583 Bart Van Assche 2022-07-14 195 enum req_op mode),
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 196
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 197 TP_ARGS(inode, ino, blkoff, mode),
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 198
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 199 TP_STRUCT__entry(
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 200 __field(struct inode *, inode)
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 201 __field(unsigned long, ino)
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 202 __field(unsigned long, blkoff)
ed4512590bd583 Bart Van Assche 2022-07-14 203 __field(enum req_op, mode)
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 204 ),
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 205
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 206 TP_fast_assign(
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 207 __entry->inode = inode;
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 208 __entry->ino = ino;
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 209 __entry->blkoff = blkoff;
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 210 __entry->mode = mode;
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 211 ),
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 212
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 213 TP_printk("inode = %p ino = %lu blkoff = %lu mode = %x",
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 214 __entry->inode,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 215 __entry->ino,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 216 __entry->blkoff,
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 217 __entry->mode)
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 218 );
a9cd207c23ca4f Hitoshi Mitake 2015-11-06 219
:::::: The code at line 191 was first introduced by commit
:::::: a9cd207c23ca4fa5bd5f1092e867e87542e349a3 nilfs2: add tracepoints for analyzing reading and writing metadata files
:::::: TO: Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [ammarfaizi2-block:axboe/linux-block/for-next 91/112] include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t
2022-07-16 15:40 [ammarfaizi2-block:axboe/linux-block/for-next 91/112] include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t kernel test robot
@ 2022-07-17 14:50 ` Bart Van Assche
0 siblings, 0 replies; 2+ messages in thread
From: Bart Van Assche @ 2022-07-17 14:50 UTC (permalink / raw
To: kernel test robot
Cc: kbuild-all, Ammar Faizi, GNU/Weeb Mailing List, linux-kernel,
Jens Axboe, Ryusuke Konishi
On 7/16/22 08:40, kernel test robot wrote:
> sparse warnings: (new ones prefixed by >>)
> fs/nilfs2/segment.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, include/trace/events/nilfs2.h):
>>> include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t
>>> include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t
>>> include/trace/events/nilfs2.h:191:1: sparse: sparse: restricted blk_opf_t degrades to integer
>>> include/trace/events/nilfs2.h:191:1: sparse: sparse: restricted blk_opf_t degrades to integer
I think the root cause of this and similar reports is in the tracing
core core. I will post a patch.
Thanks,
Bart.
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2022-07-16 15:40 [ammarfaizi2-block:axboe/linux-block/for-next 91/112] include/trace/events/nilfs2.h:191:1: sparse: sparse: cast to restricted blk_opf_t kernel test robot
2022-07-17 14:50 ` Bart Van Assche
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