CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: linux-ker...@vger.kernel.org CC: x...@kernel.org TO: Sebastian Andrzej Siewior <bige...@linutronix.de> CC: Peter Zijlstra <pet...@infradead.org> CC: Waiman Long <long...@redhat.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core head: cd27ccfc727e99352321c0c75012ab9c5a90321e commit: 9983a9d577db415c41099a20a5637ab25dd3c240 [8/9] locking/local_lock: Make the empty local_lock_*() function a macro. :::::: branch date: 3 weeks ago :::::: commit date: 4 weeks ago config: nios2-randconfig-s032-20220310 (https://download.01.org/0day-ci/archive/20220312/202203121205.ecybxvuy-...@intel.com/config) compiler: nios2-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/tip/tip.git/commit/?id=9983a9d577db415c41099a20a5637ab25dd3c240 git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip locking/core git checkout 9983a9d577db415c41099a20a5637ab25dd3c240 # 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=nios2 SHELL=/bin/bash drivers/md/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> sparse warnings: (new ones prefixed by >>) drivers/md/raid5.c: note: in included file: drivers/md/raid5.h:271:14: sparse: sparse: array of flexible structures drivers/md/raid5.c:641:40: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:641:40: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:641:40: sparse: struct md_rdev * drivers/md/raid5.c:643:32: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:643:32: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:643:32: sparse: struct md_rdev * drivers/md/raid5.c:667:40: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:667:40: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:667:40: sparse: struct md_rdev * drivers/md/raid5.c:669:32: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:669:32: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:669:32: sparse: struct md_rdev * drivers/md/raid5.c:1101:25: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:1101:25: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:1101:25: sparse: struct md_rdev * drivers/md/raid5.c:1103:24: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:1103:24: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:1103:24: sparse: struct md_rdev * drivers/md/raid5.c:3563:32: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:3563:32: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:3563:32: sparse: struct md_rdev * drivers/md/raid5.c:3689:48: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:3689:48: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:3689:48: sparse: struct md_rdev * drivers/md/raid5.c:3696:32: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:3696:32: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:3696:32: sparse: struct md_rdev * drivers/md/raid5.c:3718:16: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:3718:16: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:3718:16: sparse: struct md_rdev * drivers/md/raid5.c:4646:24: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:4646:24: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:4646:24: sparse: struct md_rdev * drivers/md/raid5.c:4657:32: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:4657:32: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:4657:32: sparse: struct md_rdev * drivers/md/raid5.c:4704:49: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:4704:49: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:4704:49: sparse: struct md_rdev * drivers/md/raid5.c:4717:49: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:4717:49: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:4717:49: sparse: struct md_rdev * drivers/md/raid5.c:4726:49: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:4726:49: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:4726:49: sparse: struct md_rdev * drivers/md/raid5.c:4748:40: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:4748:40: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:4748:40: sparse: struct md_rdev * drivers/md/raid5.c:5419:16: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:5419:16: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:5419:16: sparse: struct md_rdev * drivers/md/raid5.c:5422:24: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:5422:24: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:5422:24: sparse: struct md_rdev * drivers/md/raid5.c:7070:9: sparse: sparse: cast removes address space '__percpu' of expression drivers/md/raid5.c:7070:9: sparse: sparse: incompatible types in comparison expression (different address spaces): >> drivers/md/raid5.c:7070:9: sparse: struct local_lock_t [usertype] ** >> drivers/md/raid5.c:7070:9: sparse: struct local_lock_t [noderef] __percpu >> ** drivers/md/raid5.c:7842:40: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:7842:40: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:7842:40: sparse: struct md_rdev * drivers/md/raid5.c:8055:25: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:8055:25: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:8055:25: sparse: struct md_rdev * drivers/md/raid5.c:8071:25: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/md/raid5.c:8071:25: sparse: struct md_rdev [noderef] __rcu * drivers/md/raid5.c:8071:25: sparse: struct md_rdev * drivers/md/raid5.c:1476:16: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:1476:39: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:2208:54: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:2419:16: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:2421:9: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:2422:9: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:7046:23: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:7046:23: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:7047:9: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:7048:16: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:7049:9: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:7054:34: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:7055:17: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:7056:22: sparse: sparse: dereference of noderef expression drivers/md/raid5.c:97:9: sparse: sparse: context imbalance in 'raid5_quiesce' - different lock contexts for basic block vim +7070 drivers/md/raid5.c 789b5e03152844 Oleg Nesterov 2014-02-06 7051 789b5e03152844 Oleg Nesterov 2014-02-06 7052 static int alloc_scratch_buffer(struct r5conf *conf, struct raid5_percpu *percpu) 789b5e03152844 Oleg Nesterov 2014-02-06 7053 { b330e6a49dc3e9 Kent Overstreet 2019-03-11 7054 if (conf->level == 6 && !percpu->spare_page) { 789b5e03152844 Oleg Nesterov 2014-02-06 7055 percpu->spare_page = alloc_page(GFP_KERNEL); b330e6a49dc3e9 Kent Overstreet 2019-03-11 7056 if (!percpu->spare_page) b330e6a49dc3e9 Kent Overstreet 2019-03-11 7057 return -ENOMEM; b330e6a49dc3e9 Kent Overstreet 2019-03-11 7058 } b330e6a49dc3e9 Kent Overstreet 2019-03-11 7059 b330e6a49dc3e9 Kent Overstreet 2019-03-11 7060 if (scribble_alloc(percpu, b330e6a49dc3e9 Kent Overstreet 2019-03-11 7061 max(conf->raid_disks, 738a273806ee05 NeilBrown 2015-05-08 7062 conf->previous_raid_disks), 738a273806ee05 NeilBrown 2015-05-08 7063 max(conf->chunk_sectors, 738a273806ee05 NeilBrown 2015-05-08 7064 conf->prev_chunk_sectors) c911c46c017c74 Yufen Yu 2020-07-18 7065 / RAID5_STRIPE_SECTORS(conf))) { 789b5e03152844 Oleg Nesterov 2014-02-06 7066 free_scratch_buffer(conf, percpu); 789b5e03152844 Oleg Nesterov 2014-02-06 7067 return -ENOMEM; 789b5e03152844 Oleg Nesterov 2014-02-06 7068 } 789b5e03152844 Oleg Nesterov 2014-02-06 7069 770b1d216d7371 Davidlohr Bueso 2021-11-15 @7070 local_lock_init(&percpu->lock); 789b5e03152844 Oleg Nesterov 2014-02-06 7071 return 0; 789b5e03152844 Oleg Nesterov 2014-02-06 7072 } 789b5e03152844 Oleg Nesterov 2014-02-06 7073 :::::: The code at line 7070 was first introduced by commit :::::: 770b1d216d7371c94c88713824da4be4bc39a4e0 md/raid5: play nice with PREEMPT_RT :::::: TO: Davidlohr Bueso <d...@stgolabs.net> :::::: CC: Song Liu <s...@kernel.org> --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org _______________________________________________ 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