tree: https://github.com/intel/linux-intel-lts.git 5.4/yocto head: 10c3d69bc60059b194dcfa816cbc1240ffb0431d commit: 33d67f3ba68c9eb1dbeb3a1f97a7a3fbe6260426 [18529/18530] Support RPL in measurement function. config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/intel/linux-intel-lts/commit/33d67f3ba68c9eb1dbeb3a1f9... git remote add intel-lts https://github.com/intel/linux-intel-lts.git git fetch --no-tags intel-lts 5.4/yocto git checkout 33d67f3ba68c9eb1dbeb3a1f97a7a3fbe6260426 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/kernel.h:15, from include/linux/list.h:9, from include/linux/module.h:9, from drivers/tcc/tcc_buffer.c:58: drivers/tcc/tcc_buffer.c: In function 'tcc_free_memslot': 1145 | dprintk("p_memslot->vaddr @ %016llx\n", (u64)(p_memslot->vaddr)); | ^ include/linux/printk.h:306:34: note: in definition of macro 'pr_info' 306 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~ drivers/tcc/tcc_buffer.c:1145:2: note: in expansion of macro 'dprintk' 1145 | dprintk("p_memslot->vaddr @ %016llx\n", (u64)(p_memslot->vaddr)); | ^~~~~~~ drivers/tcc/tcc_buffer.c: In function 'tcc_perf_fn': drivers/tcc/tcc_buffer.c:496:1: warning: unsupported size for integer register 496 | } | ^ vim +1145 drivers/tcc/tcc_buffer.c 1129 1130 static void tcc_free_memslot(struct memory_slot_info *p_memslot) 1131 { 1132 struct memory_slot_info *pre_slot; 1133 struct memory_slot_info *next_slot; 1134 struct mem_s mem_info; 1135 struct psram *p_psram; 1136 u32 is_first = 0, is_last = 0; 1137 1138 mutex_lock(&tccbuffer_mutex); 1139 device_destroy(tcc_buffer_class, MKDEV(tcc_buffer_device_major, p_memslot->minor)); 1140 __set_bit(p_memslot->minor, &tcc_buffer_device_minor_avail[0]); 1141 p_memslot->status = MEM_FREE; 1142 p_memslot->minor = UNDEFINED_DEVNODE; 1143 dprintk("%s\n", "tcc_free_memslot()"); 1144 dprintk("p_memslot->paddr @ %016llx\n", (u64)(p_memslot->paddr)); 1146 dprintk("p_memslot->size @ %016llx\n", (u64)(p_memslot->size)); 1147 mem_info.vaddr = p_memslot->vaddr; 1148 mem_info.size = p_memslot->size; 1149 smp_call_function_any(&(p_memslot->cpumask), clear_mem, &mem_info, 1); 1150 1151 list_for_each_entry(p_psram, &p_tcc_config->psrams, node) { 1152 if (p_psram->config.size > 0) { 1153 if (list_is_first(&p_memslot->node, &p_psram->memslots)) 1154 is_first = 1; 1155 if (list_is_last(&p_memslot->node, &p_psram->memslots)) 1156 is_last = 1; 1157 } 1158 } 1159 1160 if (!is_first) 1161 pre_slot = list_prev_entry(p_memslot, node); 1162 1163 if (!is_last) 1164 next_slot = list_next_entry(p_memslot, node); 1165 1166 if ((!is_first) && (pre_slot->status == MEM_FREE)) { 1167 dprintk("%s\n", "This is not FIRST slot, and pre_slot is FREE to merge"); 1168 pre_slot->size += p_memslot->size; 1169 if ((!is_last) && (next_slot->status == MEM_FREE)) { 1170 dprintk("%s\n", "AND this is not LAST slot, and next_slot is also FREE to merge"); 1171 pre_slot->size += next_slot->size; 1172 list_del(&next_slot->node); 1173 kfree(next_slot); 1174 } 1175 dprintk("paddr @ %016llx\n", (u64)(pre_slot->paddr)); 1176 dprintk("size @ %016llx (extended)\n", (u64)(pre_slot->size)); 1177 list_del(&p_memslot->node); 1178 kfree(p_memslot); 1179 } else if ((!is_last) && (next_slot->status == MEM_FREE)) { 1180 dprintk("%s\n", "This is not LAST slot, and next_slot is FREE to merge"); 1181 p_memslot->size += next_slot->size; 1182 dprintk("paddr @ %016llx\n", (u64)(p_memslot->paddr)); 1183 dprintk("size @ %016llx (extended)\n", (u64)(p_memslot->size)); 1184 list_del(&next_slot->node); 1185 kfree(next_slot); 1186 } else { 1187 dprintk("%s\n", "No other attributes need to set."); 1188 } 1189 1190 mutex_unlock(&tccbuffer_mutex); 1191 } 1192 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org