CC: [email protected] CC: [email protected] TO: Jason Gunthorpe <[email protected]> CC: Leon Romanovsky <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 139711f033f636cc78b6aaf7363252241b9698ef commit: f6a9d47ae6854980fc4b1676f1fe9f9fa45ea4e2 RDMA/cma: Execute rdma_cm destruction from a handler properly date: 5 months ago :::::: branch date: 2 hours ago :::::: commit date: 5 months ago config: s390-randconfig-s031-20201230 (attached as .config) compiler: s390-linux-gcc (GCC) 9.3.0 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: v0.6.3-184-g1b896707-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f6a9d47ae6854980fc4b1676f1fe9f9fa45ea4e2 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout f6a9d47ae6854980fc4b1676f1fe9f9fa45ea4e2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> "sparse warnings: (new ones prefixed by >>)" drivers/infiniband/core/cma.c: note: in included file (through include/linux/spinlock.h, include/linux/swait.h, include/linux/completion.h): >> include/linux/spinlock_api_smp.h:161:9: sparse: sparse: context imbalance in >> 'destroy_id_handler_unlock' - wrong count at exit drivers/infiniband/core/cma.c:1876:6: sparse: sparse: context imbalance in 'rdma_destroy_id' - unexpected unlock drivers/infiniband/core/cma.c:2016:17: sparse: sparse: context imbalance in 'cma_ib_handler' - unexpected unlock drivers/infiniband/core/cma.c:2207:17: sparse: sparse: context imbalance in 'cma_ib_req_handler' - unexpected unlock drivers/infiniband/core/cma.c:2331:17: sparse: sparse: context imbalance in 'cma_iw_handler' - unexpected unlock drivers/infiniband/core/cma.c:2379:17: sparse: sparse: context imbalance in 'iw_conn_req_handler' - unexpected unlock drivers/infiniband/core/cma.c:2647:17: sparse: sparse: context imbalance in 'cma_work_handler' - unexpected unlock drivers/infiniband/core/cma.c:2670:17: sparse: sparse: context imbalance in 'cma_ndev_work_handler' - unexpected unlock drivers/infiniband/core/cma.c:3154:17: sparse: sparse: context imbalance in 'addr_handler' - unexpected unlock drivers/infiniband/core/cma.c:3808:17: sparse: sparse: context imbalance in 'cma_sidr_rep_handler' - unexpected unlock drivers/infiniband/core/cma.c:4339:17: sparse: sparse: context imbalance in 'cma_ib_mc_handler' - unexpected unlock vim +/destroy_id_handler_unlock +161 include/linux/spinlock_api_smp.h 69d0ee7377eef80 Heiko Carstens 2009-08-31 154 9c1721aa4994f66 Thomas Gleixner 2009-12-03 155 static inline void __raw_spin_unlock_irqrestore(raw_spinlock_t *lock, 69d0ee7377eef80 Heiko Carstens 2009-08-31 156 unsigned long flags) 69d0ee7377eef80 Heiko Carstens 2009-08-31 157 { 5facae4f3549b5c Qian Cai 2019-09-19 158 spin_release(&lock->dep_map, _RET_IP_); 9828ea9d75c38fe Thomas Gleixner 2009-12-03 159 do_raw_spin_unlock(lock); 69d0ee7377eef80 Heiko Carstens 2009-08-31 160 local_irq_restore(flags); 69d0ee7377eef80 Heiko Carstens 2009-08-31 @161 preempt_enable(); 69d0ee7377eef80 Heiko Carstens 2009-08-31 162 } 69d0ee7377eef80 Heiko Carstens 2009-08-31 163 :::::: The code at line 161 was first introduced by commit :::::: 69d0ee7377eef808e34ba5542b554ec97244b871 locking: Move spinlock function bodies to header file :::::: TO: Heiko Carstens <[email protected]> :::::: CC: Ingo Molnar <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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