Hi Jason, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.8-rc2 next-20200626] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Jason-Gunthorpe/RDMA-cma-Execute-rdma_cm-destruction-from-a-handler-properly/20200627-084914 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1590a2e1c681b0991bd42c992cabfd380e0338f2 config: mips-allyesconfig (attached as .config) compiler: mips-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/infiniband/core/cma.c: In function 'cma_send_device_removal_put': >> drivers/infiniband/core/cma.c:4787:3: error: implicit declaration of function 'spin_unlock_irqsave'; did you mean 'spin_lock_irqsave'? [-Werror=implicit-function-declaration] 4787 | spin_unlock_irqsave(&id_priv->lock, flags); | ^~~~~~~~~~~~~~~~~~~ | spin_lock_irqsave >> drivers/infiniband/core/cma.c:4789:3: error: implicit declaration of function 'cm_id_put'; did you mean 'cma_id_put'? [-Werror=implicit-function-declaration] 4789 | cm_id_put(id_priv); | ^~~~~~~~~ | cma_id_put drivers/infiniband/core/cma.c: In function 'cma_process_remove': drivers/infiniband/core/cma.c:4813:6: warning: unused variable 'ret' [-Wunused-variable] 4813 | int ret; | ^~~ cc1: some warnings being treated as errors vim +4787 drivers/infiniband/core/cma.c 4775 4776 static void cma_send_device_removal_put(struct rdma_id_private *id_priv) 4777 { 4778 struct rdma_cm_event event = { .event = RDMA_CM_EVENT_DEVICE_REMOVAL }; 4779 enum rdma_cm_state state; 4780 unsigned long flags; 4781 4782 /* Record that we want to remove the device */ 4783 mutex_lock(&id_priv->handler_mutex); 4784 spin_lock_irqsave(&id_priv->lock, flags); 4785 state = id_priv->state; 4786 if (state == RDMA_CM_DESTROYING || state == RDMA_CM_DEVICE_REMOVAL) { > 4787 spin_unlock_irqsave(&id_priv->lock, flags); 4788 mutex_unlock(&id_priv->handler_mutex); > 4789 cm_id_put(id_priv); 4790 return; 4791 } 4792 id_priv->state = RDMA_CM_DEVICE_REMOVAL; 4793 spin_unlock_irqsave(&id_priv->lock, flags); 4794 4795 if (cma_cm_event_handler(id_priv, &event)) { 4796 mutex_unlock(&id_priv->handler_mutex); 4797 cm_id_put(id_priv); 4798 trace_cm_id_destroy(id_priv); 4799 _destroy_id(id_priv, state); 4800 return; 4801 } 4802 mutex_unlock(&id_priv->handler_mutex); 4803 4804 /* The thread that assigns state does the cancel */ 4805 cma_cancel_operation(id_priv, state); 4806 4807 cm_id_put(id_priv); 4808 } 4809 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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