Hi Tom, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on net/master] [also build test WARNING on ipvs/master net-next/master linus/master v5.8-rc2 next-20200624] [cannot apply to cgroup/for-next] [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/Tom-Herbert/ptq-Per-Thread-Queues/20200625-012135 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 0275875530f692c725c6f993aced2eca2d6ac50c config: s390-randconfig-s031-20200624 (attached as .config) compiler: s390-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-dirty # save the attached .config to linux build tree make W=1 C=1 ARCH=s390 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) net/core/dev.c:3264:23: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected restricted __wsum [usertype] csum @@ got unsigned int @@ net/core/dev.c:3264:23: sparse: expected restricted __wsum [usertype] csum net/core/dev.c:3264:23: sparse: got unsigned int net/core/dev.c:3264:23: sparse: sparse: cast from restricted __wsum net/core/dev.c:3264:23: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected restricted __wsum [usertype] csum @@ got unsigned int @@ net/core/dev.c:3264:23: sparse: expected restricted __wsum [usertype] csum net/core/dev.c:3264:23: sparse: got unsigned int net/core/dev.c:3264:23: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] val @@ got restricted __wsum @@ net/core/dev.c:3264:23: sparse: expected unsigned int [usertype] val net/core/dev.c:3264:23: sparse: got restricted __wsum net/core/dev.c:3264:23: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected restricted __wsum [usertype] csum @@ got unsigned int @@ net/core/dev.c:3264:23: sparse: expected restricted __wsum [usertype] csum net/core/dev.c:3264:23: sparse: got unsigned int net/core/dev.c:3264:23: sparse: sparse: cast from restricted __wsum net/core/dev.c:3264:23: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected restricted __wsum [usertype] csum @@ got unsigned int @@ net/core/dev.c:3264:23: sparse: expected restricted __wsum [usertype] csum net/core/dev.c:3264:23: sparse: got unsigned int net/core/dev.c:3264:23: sparse: sparse: cast from restricted __wsum net/core/dev.c:3264:23: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected restricted __wsum [usertype] csum @@ got unsigned int @@ net/core/dev.c:3264:23: sparse: expected restricted __wsum [usertype] csum net/core/dev.c:3264:23: sparse: got unsigned int net/core/dev.c:3264:23: sparse: sparse: cast from restricted __wsum net/core/dev.c:3264:23: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected restricted __wsum [usertype] csum @@ got unsigned int @@ net/core/dev.c:3264:23: sparse: expected restricted __wsum [usertype] csum net/core/dev.c:3264:23: sparse: got unsigned int net/core/dev.c:3264:23: sparse: sparse: cast from restricted __wsum >> net/core/dev.c:4451:27: sparse: sparse: cast to non-scalar >> net/core/dev.c:4451:27: sparse: sparse: cast from non-scalar net/core/dev.c:5614:1: sparse: sparse: symbol '__pcpu_scope_flush_works' was not declared. Should it be static? net/core/dev.c:3747:26: sparse: sparse: context imbalance in '__dev_queue_xmit' - different lock contexts for basic block net/core/dev.c:4922:44: sparse: sparse: context imbalance in 'net_tx_action' - unexpected unlock # https://github.com/0day-ci/linux/commit/8cf630e2a48d7b6e18be2f46f90cebf8ec5d506c git remote add linux-review https://github.com/0day-ci/linux git remote update linux-review git checkout 8cf630e2a48d7b6e18be2f46f90cebf8ec5d506c vim +4451 net/core/dev.c c445477d74ab37 Ben Hutchings 2011-01-19 4426 c445477d74ab37 Ben Hutchings 2011-01-19 4427 /** c445477d74ab37 Ben Hutchings 2011-01-19 4428 * rps_may_expire_flow - check whether an RFS hardware filter may be removed c445477d74ab37 Ben Hutchings 2011-01-19 4429 * @dev: Device on which the filter was set c445477d74ab37 Ben Hutchings 2011-01-19 4430 * @rxq_index: RX queue index c445477d74ab37 Ben Hutchings 2011-01-19 4431 * @flow_id: Flow ID passed to ndo_rx_flow_steer() c445477d74ab37 Ben Hutchings 2011-01-19 4432 * @filter_id: Filter ID returned by ndo_rx_flow_steer() c445477d74ab37 Ben Hutchings 2011-01-19 4433 * c445477d74ab37 Ben Hutchings 2011-01-19 4434 * Drivers that implement ndo_rx_flow_steer() should periodically call c445477d74ab37 Ben Hutchings 2011-01-19 4435 * this function for each installed filter and remove the filters for c445477d74ab37 Ben Hutchings 2011-01-19 4436 * which it returns %true. c445477d74ab37 Ben Hutchings 2011-01-19 4437 */ c445477d74ab37 Ben Hutchings 2011-01-19 4438 bool rps_may_expire_flow(struct net_device *dev, u16 rxq_index, c445477d74ab37 Ben Hutchings 2011-01-19 4439 u32 flow_id, u16 filter_id) c445477d74ab37 Ben Hutchings 2011-01-19 4440 { c445477d74ab37 Ben Hutchings 2011-01-19 4441 struct netdev_rx_queue *rxqueue = dev->_rx + rxq_index; c445477d74ab37 Ben Hutchings 2011-01-19 4442 struct rps_dev_flow_table *flow_table; 8cf630e2a48d7b Tom Herbert 2020-06-24 4443 struct rps_cpu_qid cpu_qid; c445477d74ab37 Ben Hutchings 2011-01-19 4444 struct rps_dev_flow *rflow; c445477d74ab37 Ben Hutchings 2011-01-19 4445 bool expire = true; c445477d74ab37 Ben Hutchings 2011-01-19 4446 c445477d74ab37 Ben Hutchings 2011-01-19 4447 rcu_read_lock(); c445477d74ab37 Ben Hutchings 2011-01-19 4448 flow_table = rcu_dereference(rxqueue->rps_flow_table); c445477d74ab37 Ben Hutchings 2011-01-19 4449 if (flow_table && flow_id <= flow_table->mask) { c445477d74ab37 Ben Hutchings 2011-01-19 4450 rflow = &flow_table->flows[flow_id]; 8cf630e2a48d7b Tom Herbert 2020-06-24 @4451 cpu_qid = READ_ONCE(rflow->cpu_qid); 8cf630e2a48d7b Tom Herbert 2020-06-24 4452 if (rflow->filter == filter_id && !cpu_qid.use_qid && 8cf630e2a48d7b Tom Herbert 2020-06-24 4453 cpu_qid.cpu < nr_cpu_ids && 8cf630e2a48d7b Tom Herbert 2020-06-24 4454 ((int)(per_cpu(softnet_data, cpu_qid.cpu).input_queue_head - c445477d74ab37 Ben Hutchings 2011-01-19 4455 rflow->last_qtail) < c445477d74ab37 Ben Hutchings 2011-01-19 4456 (int)(10 * flow_table->mask))) c445477d74ab37 Ben Hutchings 2011-01-19 4457 expire = false; c445477d74ab37 Ben Hutchings 2011-01-19 4458 } c445477d74ab37 Ben Hutchings 2011-01-19 4459 rcu_read_unlock(); c445477d74ab37 Ben Hutchings 2011-01-19 4460 return expire; c445477d74ab37 Ben Hutchings 2011-01-19 4461 } c445477d74ab37 Ben Hutchings 2011-01-19 4462 EXPORT_SYMBOL(rps_may_expire_flow); c445477d74ab37 Ben Hutchings 2011-01-19 4463 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org _______________________________________________ kbuild mailing list -- kbuild(a)lists.01.org To unsubscribe send an email to kbuild-leave(a)lists.01.org