tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 65f0d2414b7079556fbbcc070b3d1c9f9587606d commit: 0cd1ad2d7fd41e0de4969fd1dd0aa846c99830d1 iwlwifi: move all bus-independent TX functions to common code date: 4 months ago config: i386-randconfig-s002-20210115 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-208-g46a52ca4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0cd1ad2d7fd41e0de4969fd1dd0aa846c99830d1 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 0cd1ad2d7fd41e0de4969fd1dd0aa846c99830d1 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
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/net/wireless/intel/iwlwifi/iwl-trans.c: note: in included file (through drivers/net/wireless/intel/iwlwifi/fw/img.h, drivers/net/wireless/intel/iwlwifi/iwl-trans.h): drivers/net/wireless/intel/iwlwifi/fw/file.h:330:19: sparse: sparse: mixed bitwiseness drivers/net/wireless/intel/iwlwifi/fw/file.h:485:19: sparse: sparse: mixed bitwiseness drivers/net/wireless/intel/iwlwifi/iwl-trans.c: note: in included file: drivers/net/wireless/intel/iwlwifi/iwl-trans.h:788:52: sparse: sparse: array of flexible structures >> drivers/net/wireless/intel/iwlwifi/iwl-trans.c:154:34: sparse: sparse: >> incorrect type in assignment (different address spaces) @@ expected >> struct iwl_tso_hdr_page *tso_hdr_page @@ got struct iwl_tso_hdr_page >> [noderef] __percpu * @@ drivers/net/wireless/intel/iwlwifi/iwl-trans.c:154:34: sparse: expected struct iwl_tso_hdr_page *tso_hdr_page drivers/net/wireless/intel/iwlwifi/iwl-trans.c:154:34: sparse: got struct iwl_tso_hdr_page [noderef] __percpu * >> drivers/net/wireless/intel/iwlwifi/iwl-trans.c:169:25: sparse: sparse: >> incorrect type in initializer (different address spaces) @@ expected >> void const [noderef] __percpu *__vpp_verify @@ got struct >> iwl_tso_hdr_page * @@ drivers/net/wireless/intel/iwlwifi/iwl-trans.c:169:25: sparse: expected void const [noderef] __percpu *__vpp_verify drivers/net/wireless/intel/iwlwifi/iwl-trans.c:169:25: sparse: got struct iwl_tso_hdr_page * >> drivers/net/wireless/intel/iwlwifi/iwl-trans.c:175:32: sparse: sparse: >> incorrect type in argument 1 (different address spaces) @@ expected void >> [noderef] __percpu *__pdata @@ got struct iwl_tso_hdr_page *tso_hdr_page >> @@ drivers/net/wireless/intel/iwlwifi/iwl-trans.c:175:32: sparse: expected void [noderef] __percpu *__pdata drivers/net/wireless/intel/iwlwifi/iwl-trans.c:175:32: sparse: got struct iwl_tso_hdr_page *tso_hdr_page -- drivers/net/wireless/intel/iwlwifi/queue/tx.c: note: in included file (through drivers/net/wireless/intel/iwlwifi/fw/img.h, drivers/net/wireless/intel/iwlwifi/iwl-trans.h, ...): drivers/net/wireless/intel/iwlwifi/fw/file.h:330:19: sparse: sparse: mixed bitwiseness drivers/net/wireless/intel/iwlwifi/fw/file.h:485:19: sparse: sparse: mixed bitwiseness drivers/net/wireless/intel/iwlwifi/queue/tx.c: note: in included file (through drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h, drivers/net/wireless/intel/iwlwifi/iwl-io.h): drivers/net/wireless/intel/iwlwifi/iwl-trans.h:788:52: sparse: sparse: array of flexible structures >> drivers/net/wireless/intel/iwlwifi/queue/tx.c:354:38: sparse: sparse: >> incorrect type in initializer (different address spaces) @@ expected >> void const [noderef] __percpu *__vpp_verify @@ got struct >> iwl_tso_hdr_page * @@ drivers/net/wireless/intel/iwlwifi/queue/tx.c:354:38: sparse: expected void const [noderef] __percpu *__vpp_verify drivers/net/wireless/intel/iwlwifi/queue/tx.c:354:38: sparse: got struct iwl_tso_hdr_page * vim +154 drivers/net/wireless/intel/iwlwifi/iwl-trans.c 110 111 trans->dev = dev; 112 trans->ops = ops; 113 trans->num_rx_queues = 1; 114 115 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) 116 trans->txqs.bc_tbl_size = sizeof(struct iwl_gen3_bc_tbl); 117 else 118 trans->txqs.bc_tbl_size = sizeof(struct iwlagn_scd_bc_tbl); 119 /* 120 * For gen2 devices, we use a single allocation for each byte-count 121 * table, but they're pretty small (1k) so use a DMA pool that we 122 * allocate here. 123 */ 124 if (trans->trans_cfg->gen2) { 125 trans->txqs.bc_pool = dmam_pool_create("iwlwifi:bc", dev, 126 trans->txqs.bc_tbl_size, 127 256, 0); 128 if (!trans->txqs.bc_pool) 129 return NULL; 130 } 131 132 if (trans->trans_cfg->use_tfh) { 133 trans->txqs.tfd.addr_size = 64; 134 trans->txqs.tfd.max_tbs = IWL_TFH_NUM_TBS; 135 trans->txqs.tfd.size = sizeof(struct iwl_tfh_tfd); 136 } else { 137 trans->txqs.tfd.addr_size = 36; 138 trans->txqs.tfd.max_tbs = IWL_NUM_OF_TBS; 139 trans->txqs.tfd.size = sizeof(struct iwl_tfd); 140 } 141 trans->max_skb_frags = IWL_TRANS_MAX_FRAGS(trans); 142 143 snprintf(trans->dev_cmd_pool_name, sizeof(trans->dev_cmd_pool_name), 144 "iwl_cmd_pool:%s", dev_name(trans->dev)); 145 trans->dev_cmd_pool = 146 kmem_cache_create(trans->dev_cmd_pool_name, 147 txcmd_size, txcmd_align, 148 SLAB_HWCACHE_ALIGN, NULL); 149 if (!trans->dev_cmd_pool) 150 return NULL; 151 152 WARN_ON(!ops->wait_txq_empty && !ops->wait_tx_queues_empty); 153 > 154 trans->txqs.tso_hdr_page = alloc_percpu(struct > iwl_tso_hdr_page); 155 if (!trans->txqs.tso_hdr_page) { 156 kmem_cache_destroy(trans->dev_cmd_pool); 157 return NULL; 158 } 159 160 return trans; 161 } 162 163 void iwl_trans_free(struct iwl_trans *trans) 164 { 165 int i; 166 167 for_each_possible_cpu(i) { 168 struct iwl_tso_hdr_page *p = > 169 per_cpu_ptr(trans->txqs.tso_hdr_page, i); 170 171 if (p->page) 172 __free_page(p->page); 173 } 174 > 175 free_percpu(trans->txqs.tso_hdr_page); 176 177 kmem_cache_destroy(trans->dev_cmd_pool); 178 } 179 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
