Hi Lucas, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] [also build test ERROR on linus/master v5.19-rc1 next-20220609] [cannot apply to tegra-drm/drm/tegra/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 '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Lucas-De-Marchi/iosys-map-Add-word-sized-reads/20220610-072113 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20220610/202206101010.IAvFUbqo-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 70d35fe1257e429266b83025997b400e9f79110e) 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/7b9b2d6b8d738fe2857fa1a96f7f3c9d8c11e9cd git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Lucas-De-Marchi/iosys-map-Add-word-sized-reads/20220610-072113 git checkout 7b9b2d6b8d738fe2857fa1a96f7f3c9d8c11e9cd # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1154:14: error: unknown type name '__iosys_map_rd_io_u64_case' *last_in = record_read(&rec_map, last_switch_in_stamp); ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1134:2: note: expanded from macro 'record_read' iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:2: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ >> drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1154:14: error: type-id cannot have a name drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1134:2: note: expanded from macro 'record_read' iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:21: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ >> drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1154:14: error: expected ')' drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1134:2: note: expanded from macro 'record_read' iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:34: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1154:14: note: to match this '(' drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1134:2: note: expanded from macro 'record_read' iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:28: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1155:9: error: unknown type name '__iosys_map_rd_io_u64_case' *id = record_read(&rec_map, current_context_index); ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1134:2: note: expanded from macro 'record_read' iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:2: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1155:9: error: type-id cannot have a name drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1134:2: note: expanded from macro 'record_read' iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:21: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1155:9: error: expected ')' drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1134:2: note: expanded from macro 'record_read' iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:34: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1155:9: note: to match this '(' drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1134:2: note: expanded from macro 'record_read' iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:28: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1156:12: error: unknown type name '__iosys_map_rd_io_u64_case' *total = record_read(&rec_map, total_runtime); ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1134:2: note: expanded from macro 'record_read' iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:2: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1156:12: error: type-id cannot have a name drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c:1134:2: note: expanded from macro 'record_read' iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:21: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ -- >> drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:165:6: error: unknown type name '__iosys_map_rd_io_u64_case' ads_blob_read(guc, policies.dpc_promote_time)); ^ drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:65:2: note: expanded from macro 'ads_blob_read' iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:2: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ >> drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:165:6: error: type-id cannot have a name drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:65:2: note: expanded from macro 'ads_blob_read' iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:21: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ >> drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:165:6: error: expected ')' drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:65:2: note: expanded from macro 'ads_blob_read' iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:34: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:165:6: note: to match this '(' drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:65:2: note: expanded from macro 'ads_blob_read' iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:28: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:167:6: error: unknown type name '__iosys_map_rd_io_u64_case' ads_blob_read(guc, policies.max_num_work_items)); ^ drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:65:2: note: expanded from macro 'ads_blob_read' iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:2: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:167:6: error: type-id cannot have a name drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:65:2: note: expanded from macro 'ads_blob_read' iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:21: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:167:6: error: expected ')' drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:65:2: note: expanded from macro 'ads_blob_read' iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:34: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:167:6: note: to match this '(' drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:65:2: note: expanded from macro 'ads_blob_read' iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:28: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:169:6: error: unknown type name '__iosys_map_rd_io_u64_case' ads_blob_read(guc, policies.global_flags)); ^ drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:65:2: note: expanded from macro 'ads_blob_read' iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:3: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ ^ include/linux/iosys-map.h:347:2: note: expanded from macro '__iosys_map_rd_io' __iosys_map_rd_io_u64_case(val__, vaddr_iomem__) \ ^ drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:169:6: error: type-id cannot have a name drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c:65:2: note: expanded from macro 'ads_blob_read' iosys_map_rd_field(&(guc_)->ads_map, 0, struct __guc_ads_blob, field_) ^ include/linux/iosys-map.h:452:2: note: expanded from macro 'iosys_map_rd_field' iosys_map_rd(map__, struct_offset__ + offsetof(struct_type__, field__), \ ^ include/linux/iosys-map.h:366:21: note: expanded from macro 'iosys_map_rd' __iosys_map_rd_io(val, (map__)->vaddr_iomem + offset__, type__);\ vim +/__iosys_map_rd_io_u64_case +1154 drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c 77cdd054dd2ced Umesh Nerlige Ramappa 2021-10-26 1132 4801b99588a2e0 Lucas De Marchi 2022-02-16 1133 #define record_read(map_, field_) \ 4801b99588a2e0 Lucas De Marchi 2022-02-16 1134 iosys_map_rd_field(map_, 0, struct guc_engine_usage_record, field_) 4801b99588a2e0 Lucas De Marchi 2022-02-16 1135 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1136 /* 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1137 * GuC updates shared memory and KMD reads it. Since this is not synchronized, 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1138 * we run into a race where the value read is inconsistent. Sometimes the 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1139 * inconsistency is in reading the upper MSB bytes of the last_in value when 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1140 * this race occurs. 2 types of cases are seen - upper 8 bits are zero and upper 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1141 * 24 bits are zero. Since these are non-zero values, it is non-trivial to 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1142 * determine validity of these values. Instead we read the values multiple times 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1143 * until they are consistent. In test runs, 3 attempts results in consistent 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1144 * values. The upper bound is set to 6 attempts and may need to be tuned as per 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1145 * any new occurences. 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1146 */ 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1147 static void __get_engine_usage_record(struct intel_engine_cs *engine, 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1148 u32 *last_in, u32 *id, u32 *total) 77cdd054dd2ced Umesh Nerlige Ramappa 2021-10-26 1149 { 4801b99588a2e0 Lucas De Marchi 2022-02-16 1150 struct iosys_map rec_map = intel_guc_engine_usage_record_map(engine); 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1151 int i = 0; 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1152 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1153 do { 4801b99588a2e0 Lucas De Marchi 2022-02-16 @1154 *last_in = record_read(&rec_map, last_switch_in_stamp); 4801b99588a2e0 Lucas De Marchi 2022-02-16 1155 *id = record_read(&rec_map, current_context_index); 4801b99588a2e0 Lucas De Marchi 2022-02-16 1156 *total = record_read(&rec_map, total_runtime); 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1157 4801b99588a2e0 Lucas De Marchi 2022-02-16 1158 if (record_read(&rec_map, last_switch_in_stamp) == *last_in && 4801b99588a2e0 Lucas De Marchi 2022-02-16 1159 record_read(&rec_map, current_context_index) == *id && 4801b99588a2e0 Lucas De Marchi 2022-02-16 1160 record_read(&rec_map, total_runtime) == *total) 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1161 break; 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1162 } while (++i < 6); 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1163 } 512712a824de9b Umesh Nerlige Ramappa 2022-01-24 1164 -- 0-DAY CI Kernel Test Service https://01.org/lkp
