[alobakin:bitops 3/7] block/elevator.c:222:9: sparse: sparse: cast from restricted req_flags_t

kernel test robot
2022-06-19T09:21:03Z

tree: https://github.com/alobakin/linux bitops
head: 9bd39b17ce49d350eed93a031e0da6389067013e
commit: 521611f961a7dda92eefa26e1afd3914c06af64e [3/7] bitops: unify non-atomic bitops prototypes across architectures
config: mips-randconfig-s031-20220619 (https://download.01.org/0day-ci/archive/20220619/202206191726.wq70mbMK-lkp@intel.com/config)
compiler: mips64el-linux-gcc (GCC) 11.3.0
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: v0.6.4-30-g92122700-dirty
# https://github.com/alobakin/linux/commit/521611f961a7dda92eefa26e1afd3914c06af64e
git remote add alobakin https://github.com/alobakin/linux
git fetch --no-tags alobakin bitops
git checkout 521611f961a7dda92eefa26e1afd3914c06af64e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips SHELL=/bin/bash

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 >>)
command-line: note: in included file:
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined
builtin:0:0: sparse: this was the original definition
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined
builtin:0:0: sparse: this was the original definition
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined
builtin:0:0: sparse: this was the original definition
builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined
builtin:0:0: sparse: this was the original definition
block/elevator.c: note: in included file (through include/linux/bitops.h, include/linux/kernel.h):
include/asm-generic/bitops/generic-non-atomic.h:29:9: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:30:9: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:32:10: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:32:16: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:27:1: sparse: sparse: unreplaced symbol 'return'
include/asm-generic/bitops/generic-non-atomic.h:38:9: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:39:9: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:41:10: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:41:16: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:36:1: sparse: sparse: unreplaced symbol 'return'
include/asm-generic/bitops/generic-non-atomic.h:56:9: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:57:9: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:59:10: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:59:15: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:54:1: sparse: sparse: unreplaced symbol 'return'
include/asm-generic/bitops/generic-non-atomic.h:74:9: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:75:9: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:76:9: sparse: sparse: unreplaced symbol 'old'
include/asm-generic/bitops/generic-non-atomic.h:78:10: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:78:14: sparse: sparse: unreplaced symbol 'old'
include/asm-generic/bitops/generic-non-atomic.h:78:20: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:79:17: sparse: sparse: unreplaced symbol 'old'
include/asm-generic/bitops/generic-non-atomic.h:79:23: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:79:9: sparse: sparse: unreplaced symbol 'return'
include/asm-generic/bitops/generic-non-atomic.h:72:1: sparse: sparse: unreplaced symbol 'return'
include/asm-generic/bitops/generic-non-atomic.h:94:9: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:95:9: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:96:9: sparse: sparse: unreplaced symbol 'old'
include/asm-generic/bitops/generic-non-atomic.h:98:10: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:98:14: sparse: sparse: unreplaced symbol 'old'
include/asm-generic/bitops/generic-non-atomic.h:98:21: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:99:17: sparse: sparse: unreplaced symbol 'old'
include/asm-generic/bitops/generic-non-atomic.h:99:23: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:99:9: sparse: sparse: unreplaced symbol 'return'
include/asm-generic/bitops/generic-non-atomic.h:92:1: sparse: sparse: unreplaced symbol 'return'
include/asm-generic/bitops/generic-non-atomic.h:106:9: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:107:9: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:108:9: sparse: sparse: unreplaced symbol 'old'
include/asm-generic/bitops/generic-non-atomic.h:110:10: sparse: sparse: unreplaced symbol 'p'
include/asm-generic/bitops/generic-non-atomic.h:110:14: sparse: sparse: unreplaced symbol 'old'
include/asm-generic/bitops/generic-non-atomic.h:110:20: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:111:17: sparse: sparse: unreplaced symbol 'old'
include/asm-generic/bitops/generic-non-atomic.h:111:23: sparse: sparse: unreplaced symbol 'mask'
include/asm-generic/bitops/generic-non-atomic.h:111:9: sparse: sparse: unreplaced symbol 'return'
include/asm-generic/bitops/generic-non-atomic.h:104:1: sparse: sparse: unreplaced symbol 'return'
include/asm-generic/bitops/generic-non-atomic.h:127:9: sparse: sparse: unreplaced symbol 'return'
include/asm-generic/bitops/generic-non-atomic.h:120:1: sparse: sparse: unreplaced symbol 'return'
>> block/elevator.c:222:9: sparse: sparse: cast from restricted req_flags_t

vim +222 block/elevator.c

9817064b68fef7 Jens Axboe 2006-07-28 217
70b3ea056f3074 Jens Axboe 2016-12-07 218 void elv_rqhash_add(struct request_queue *q, struct request *rq)
9817064b68fef7 Jens Axboe 2006-07-28 219 {
b374d18a4bfce7 Jens Axboe 2008-10-31 220 struct elevator_queue *e = q->elevator;
9817064b68fef7 Jens Axboe 2006-07-28 221
9817064b68fef7 Jens Axboe 2006-07-28 @222 BUG_ON(ELV_ON_HASH(rq));
242d98f077ac0a Sasha Levin 2012-12-17 223 hash_add(e->hash, &rq->hash, rq_hash_key(rq));
e806402130c9c4 Christoph Hellwig 2016-10-20 224 rq->rq_flags |= RQF_HASHED;
9817064b68fef7 Jens Axboe 2006-07-28 225 }
bd166ef183c263 Jens Axboe 2017-01-17 226 EXPORT_SYMBOL_GPL(elv_rqhash_add);
9817064b68fef7 Jens Axboe 2006-07-28 227

:::::: The code at line 222 was first introduced by commit
:::::: 9817064b68fef7e4580c6df1ea597e106b9ff88b [PATCH] elevator: move the backmerging logic into the elevator core

:::::: TO: Jens Axboe <axboe@suse.de>
:::::: CC: Jens Axboe <axboe@nelson.home.kernel.dk>

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