Hi Mao, kernel test robot noticed the following build errors: [auto build test ERROR on atorgue-stm32/stm32-next] [also build test ERROR on linus/master v6.3-rc7 next-20230418] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Mao-Jinlong/stm-class-Add-MIPI-OST-protocol-support/20230419-221653 base: https://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32.git stm32-next patch link: https://lore.kernel.org/r/20230419141328.37472-1-quic_jinlmao%40quicinc.com patch subject: [PATCH v2] stm: class: Add MIPI OST protocol support config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230420/202304200216.kvZgZcao-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 12.1.0 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 # https://github.com/intel-lab-lkp/linux/commit/54db7d137859caf5a14de2b166d80913b0c80218 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Mao-Jinlong/stm-class-Add-MIPI-OST-protocol-support/20230419-221653 git checkout 54db7d137859caf5a14de2b166d80913b0c80218 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304200216.kvZgZcao-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): drivers/hwtracing/stm/p_ost.c: In function 'ost_write': >> drivers/hwtracing/stm/p_ost.c:174:46: error: implicit declaration of function 'get_current'; did you mean 'get_cred'? [-Werror=implicit-function-declaration] 174 | *(u64 *)(trc_hdr + 8) = task_tgid_nr(get_current()); | ^~~~~~~~~~~ | get_cred >> drivers/hwtracing/stm/p_ost.c:174:46: warning: passing argument 1 of 'task_tgid_nr' makes pointer from integer without a cast [-Wint-conversion] 174 | *(u64 *)(trc_hdr + 8) = task_tgid_nr(get_current()); | ^~~~~~~~~~~~~ | | | int In file included from include/linux/sched/mm.h:7, from include/linux/xarray.h:19, from include/linux/radix-tree.h:21, from include/linux/idr.h:15, from include/linux/kernfs.h:12, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/module.h:21, from drivers/hwtracing/stm/p_ost.c:9: include/linux/sched.h:1582:54: note: expected 'struct task_struct *' but argument is of type 'int' 1582 | static inline pid_t task_tgid_nr(struct task_struct *tsk) | ~~~~~~~~~~~~~~~~~~~~^~~ cc1: some warnings being treated as errors vim +174 drivers/hwtracing/stm/p_ost.c 131 132 static ssize_t notrace ost_write(struct stm_data *data, 133 struct stm_output *output, unsigned int chan, 134 const char *buf, size_t count) 135 { 136 unsigned int c = output->channel + chan; 137 unsigned int m = output->master; 138 const unsigned char nil = 0; 139 u32 header = DATA_HEADER; 140 u8 trc_hdr[16]; 141 ssize_t sz; 142 143 struct ost_output *op = output->pdrv_private; 144 145 /* 146 * Identify the source by entity type. 147 * If entity type is not set, return error value. 148 */ 149 if (op->node.entity_type == OST_ENTITY_TYPE_FTRACE) { 150 header |= OST_ENTITY_FTRACE; 151 } else if (op->node.entity_type == OST_ENTITY_TYPE_CONSOLE) { 152 header |= OST_ENTITY_CONSOLE; 153 } else { 154 pr_debug("p_ost: Entity must be set for trace data."); 155 return -EINVAL; 156 } 157 158 /* 159 * STP framing rules for OST frames: 160 * * the first packet of the OST frame is marked; 161 * * the last packet is a FLAG with timestamped tag. 162 */ 163 /* Message layout: HEADER / DATA / TAIL */ 164 /* HEADER */ 165 sz = data->packet(data, m, c, STP_PACKET_DATA, STP_PACKET_MARKED, 166 4, (u8 *)&header); 167 if (sz <= 0) 168 return sz; 169 170 /* DATA */ 171 *(u16 *)(trc_hdr) = STM_MAKE_VERSION(0, 4); 172 *(u16 *)(trc_hdr + 2) = STM_HEADER_MAGIC; 173 *(u32 *)(trc_hdr + 4) = raw_smp_processor_id(); > 174 *(u64 *)(trc_hdr + 8) = task_tgid_nr(get_current()); 175 sz = stm_data_write(data, m, c, false, trc_hdr, sizeof(trc_hdr)); 176 if (sz <= 0) 177 return sz; 178 179 sz = stm_data_write(data, m, c, false, buf, count); 180 181 /* TAIL */ 182 if (sz > 0) 183 data->packet(data, m, c, STP_PACKET_FLAG, 184 STP_PACKET_TIMESTAMPED, 0, &nil); 185 186 return sz; 187 } 188 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
