tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 83e396641110663d3c7bb25b9bc0c6a750359ecf commit: ddb002d6d6af12c45dd9d565cadf0f40b36b7c25 MIPS: uaccess: Reduce number of nested macros date: 10 months ago config: mips-randconfig-s032-20220213 (https://download.01.org/0day-ci/archive/20220213/202202130432.4tPqXRgn-lk...) compiler: mips64el-linux-gcc (GCC) 11.2.0 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-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ddb002d6d6af12c45dd9d565cadf0f40b36b7c25 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips SHELL=/bin/bash arch/mips/sibyte/common/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; 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 arch/mips/sibyte/common/sb_tbprof.c:449:14: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __user *p @@ got char *buf @@ arch/mips/sibyte/common/sb_tbprof.c:449:14: sparse: expected void const [noderef] __user *p arch/mips/sibyte/common/sb_tbprof.c:449:14: sparse: got char *buf arch/mips/sibyte/common/sb_tbprof.c:464:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got char *dest @@ arch/mips/sibyte/common/sb_tbprof.c:464:38: sparse: expected void [noderef] __user *to arch/mips/sibyte/common/sb_tbprof.c:464:38: sparse: got char *dest >> arch/mips/sibyte/common/sb_tbprof.c:515:23: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int [noderef] __user *__p @@ got int * @@ arch/mips/sibyte/common/sb_tbprof.c:515:23: sparse: expected int [noderef] __user *__p arch/mips/sibyte/common/sb_tbprof.c:515:23: sparse: got int * arch/mips/sibyte/common/sb_tbprof.c:531:27: sparse: sparse: incorrect type in initializer (incompatible argument 2 (different address spaces)) @@ expected long ( *read )( ... ) @@ got long ( * )( ... ) @@ arch/mips/sibyte/common/sb_tbprof.c:531:27: sparse: expected long ( *read )( ... ) arch/mips/sibyte/common/sb_tbprof.c:531:27: sparse: got long ( * )( ... ) vim +515 arch/mips/sibyte/common/sb_tbprof.c ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 490 d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 491 static long sbprof_tb_ioctl(struct file *filp, d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 492 unsigned int command, ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 493 unsigned long arg) ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 494 { d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 495 int err = 0; ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 496 ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 497 switch (command) { ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 498 case SBPROF_ZBSTART: bb9b813bb665cdb arch/mips/sibyte/sb1250/bcm1250_tbprof.c Ralf Baechle 2007-03-09 499 mutex_lock(&sbp.lock); d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 500 err = sbprof_zbprof_start(filp); bb9b813bb665cdb arch/mips/sibyte/sb1250/bcm1250_tbprof.c Ralf Baechle 2007-03-09 501 mutex_unlock(&sbp.lock); ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 502 break; bb9b813bb665cdb arch/mips/sibyte/sb1250/bcm1250_tbprof.c Ralf Baechle 2007-03-09 503 ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 504 case SBPROF_ZBSTOP: bb9b813bb665cdb arch/mips/sibyte/sb1250/bcm1250_tbprof.c Ralf Baechle 2007-03-09 505 mutex_lock(&sbp.lock); d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 506 err = sbprof_zbprof_stop(); bb9b813bb665cdb arch/mips/sibyte/sb1250/bcm1250_tbprof.c Ralf Baechle 2007-03-09 507 mutex_unlock(&sbp.lock); ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 508 break; bb9b813bb665cdb arch/mips/sibyte/sb1250/bcm1250_tbprof.c Ralf Baechle 2007-03-09 509 d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 510 case SBPROF_ZBWAITFULL: { d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 511 err = wait_event_interruptible(sbp.tb_read, TB_FULL); d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 512 if (err) bb9b813bb665cdb arch/mips/sibyte/sb1250/bcm1250_tbprof.c Ralf Baechle 2007-03-09 513 break; bb9b813bb665cdb arch/mips/sibyte/sb1250/bcm1250_tbprof.c Ralf Baechle 2007-03-09 514 d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 @515 err = put_user(TB_FULL, (int *) arg); bb9b813bb665cdb arch/mips/sibyte/sb1250/bcm1250_tbprof.c Ralf Baechle 2007-03-09 516 break; d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 517 } bb9b813bb665cdb arch/mips/sibyte/sb1250/bcm1250_tbprof.c Ralf Baechle 2007-03-09 518 ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 519 default: d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 520 err = -EINVAL; ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 521 break; ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 522 } ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 523 d619f38fdacb5ce arch/mips/sibyte/common/sb_tbprof.c Mark Mason 2007-03-29 524 return err; ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 525 } ^1da177e4c3f415 arch/mips/sibyte/sb1250/bcm1250_tbprof.c Linus Torvalds 2005-04-16 526 :::::: The code at line 515 was first introduced by commit :::::: d619f38fdacb5cec0c841798bbadeaf903868852 [MIPS] Add bcm1480 ZBus trace support, fix wait related bugs :::::: TO: Mark Mason <mmason(a)upwardaccess.com&gt; :::::: CC: Ralf Baechle <ralf(a)linux-mips.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org