tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: fb0ca446157a86b75502c1636b0d81e642fe6bf1 commit: 6c1ce701601b3bec30d8505183ddeba1ad71d889 [13765/14098] drm/amdkfd: classify and map mixed svm range pages in GPU config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=6c1ce701601b3bec30d8505183ddeba1ad71d889 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 6c1ce701601b3bec30d8505183ddeba1ad71d889 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c: In function 'svm_range_map_to_gpu': >> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:1170:22: warning: variable 'bo_va' set but not used [-Wunused-but-set-variable] 1170 | struct amdgpu_bo_va bo_va; | ^~~~~ vim +/bo_va +1170 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c f80fe9d3c1149b Felix Kuehling 2021-02-24 1164 f80fe9d3c1149b Felix Kuehling 2021-02-24 1165 static int f80fe9d3c1149b Felix Kuehling 2021-02-24 1166 svm_range_map_to_gpu(struct amdgpu_device *adev, struct amdgpu_vm *vm, f80fe9d3c1149b Felix Kuehling 2021-02-24 1167 struct svm_range *prange, dma_addr_t *dma_addr, b53fa124acdcec Philip Yang 2020-06-23 1168 struct amdgpu_device *bo_adev, struct dma_fence **fence) f80fe9d3c1149b Felix Kuehling 2021-02-24 1169 { b53fa124acdcec Philip Yang 2020-06-23 @1170 struct amdgpu_bo_va bo_va; bf546940d5aa15 Philip Yang 2021-05-12 1171 bool table_freed = false; f80fe9d3c1149b Felix Kuehling 2021-02-24 1172 uint64_t pte_flags; 6c1ce701601b3b Alex Sierra 2021-05-05 1173 unsigned long last_start; 6c1ce701601b3b Alex Sierra 2021-05-05 1174 int last_domain; f80fe9d3c1149b Felix Kuehling 2021-02-24 1175 int r = 0; 6c1ce701601b3b Alex Sierra 2021-05-05 1176 int64_t i; f80fe9d3c1149b Felix Kuehling 2021-02-24 1177 f80fe9d3c1149b Felix Kuehling 2021-02-24 1178 pr_debug("svms 0x%p [0x%lx 0x%lx]\n", prange->svms, prange->start, f80fe9d3c1149b Felix Kuehling 2021-02-24 1179 prange->last); f80fe9d3c1149b Felix Kuehling 2021-02-24 1180 6c1ce701601b3b Alex Sierra 2021-05-05 1181 if (prange->svm_bo && prange->ttm_res) b53fa124acdcec Philip Yang 2020-06-23 1182 bo_va.is_xgmi = amdgpu_xgmi_same_hive(adev, bo_adev); b53fa124acdcec Philip Yang 2020-06-23 1183 6c1ce701601b3b Alex Sierra 2021-05-05 1184 last_start = prange->start; 6c1ce701601b3b Alex Sierra 2021-05-05 1185 for (i = 0; i < prange->npages; i++) { 6c1ce701601b3b Alex Sierra 2021-05-05 1186 last_domain = dma_addr[i] & SVM_RANGE_VRAM_DOMAIN; 6c1ce701601b3b Alex Sierra 2021-05-05 1187 dma_addr[i] &= ~SVM_RANGE_VRAM_DOMAIN; 6c1ce701601b3b Alex Sierra 2021-05-05 1188 if ((prange->start + i) < prange->last && 6c1ce701601b3b Alex Sierra 2021-05-05 1189 last_domain == (dma_addr[i + 1] & SVM_RANGE_VRAM_DOMAIN)) 6c1ce701601b3b Alex Sierra 2021-05-05 1190 continue; f80fe9d3c1149b Felix Kuehling 2021-02-24 1191 6c1ce701601b3b Alex Sierra 2021-05-05 1192 pr_debug("Mapping range [0x%lx 0x%llx] on domain: %s\n", 6c1ce701601b3b Alex Sierra 2021-05-05 1193 last_start, prange->start + i, last_domain ? "GPU" : "CPU"); 6c1ce701601b3b Alex Sierra 2021-05-05 1194 pte_flags = svm_range_get_pte_flags(adev, prange, last_domain); b53fa124acdcec Philip Yang 2020-06-23 1195 r = amdgpu_vm_bo_update_mapping(adev, bo_adev, vm, false, false, NULL, 6c1ce701601b3b Alex Sierra 2021-05-05 1196 last_start, 6c1ce701601b3b Alex Sierra 2021-05-05 1197 prange->start + i, pte_flags, 6c1ce701601b3b Alex Sierra 2021-05-05 1198 last_start - prange->start, 6c1ce701601b3b Alex Sierra 2021-05-05 1199 NULL, 6c1ce701601b3b Alex Sierra 2021-05-05 1200 dma_addr, 6c1ce701601b3b Alex Sierra 2021-05-05 1201 &vm->last_update, bf546940d5aa15 Philip Yang 2021-05-12 1202 &table_freed); f80fe9d3c1149b Felix Kuehling 2021-02-24 1203 if (r) { f80fe9d3c1149b Felix Kuehling 2021-02-24 1204 pr_debug("failed %d to map to gpu 0x%lx\n", r, prange->start); f80fe9d3c1149b Felix Kuehling 2021-02-24 1205 goto out; f80fe9d3c1149b Felix Kuehling 2021-02-24 1206 } 6c1ce701601b3b Alex Sierra 2021-05-05 1207 last_start = prange->start + i + 1; 6c1ce701601b3b Alex Sierra 2021-05-05 1208 } f80fe9d3c1149b Felix Kuehling 2021-02-24 1209 f80fe9d3c1149b Felix Kuehling 2021-02-24 1210 r = amdgpu_vm_update_pdes(adev, vm, false); f80fe9d3c1149b Felix Kuehling 2021-02-24 1211 if (r) { f80fe9d3c1149b Felix Kuehling 2021-02-24 1212 pr_debug("failed %d to update directories 0x%lx\n", r, f80fe9d3c1149b Felix Kuehling 2021-02-24 1213 prange->start); f80fe9d3c1149b Felix Kuehling 2021-02-24 1214 goto out; f80fe9d3c1149b Felix Kuehling 2021-02-24 1215 } f80fe9d3c1149b Felix Kuehling 2021-02-24 1216 f80fe9d3c1149b Felix Kuehling 2021-02-24 1217 if (fence) f80fe9d3c1149b Felix Kuehling 2021-02-24 1218 *fence = dma_fence_get(vm->last_update); f80fe9d3c1149b Felix Kuehling 2021-02-24 1219 bf546940d5aa15 Philip Yang 2021-05-12 1220 if (table_freed) { bf546940d5aa15 Philip Yang 2021-05-12 1221 struct kfd_process *p; bf546940d5aa15 Philip Yang 2021-05-12 1222 bf546940d5aa15 Philip Yang 2021-05-12 1223 p = container_of(prange->svms, struct kfd_process, svms); bf546940d5aa15 Philip Yang 2021-05-12 1224 amdgpu_amdkfd_flush_gpu_tlb_pasid((struct kgd_dev *)adev, 765385ec00a943 Philip Yang 2021-05-13 1225 p->pasid, TLB_FLUSH_LEGACY); bf546940d5aa15 Philip Yang 2021-05-12 1226 } f80fe9d3c1149b Felix Kuehling 2021-02-24 1227 out: f80fe9d3c1149b Felix Kuehling 2021-02-24 1228 return r; f80fe9d3c1149b Felix Kuehling 2021-02-24 1229 } f80fe9d3c1149b Felix Kuehling 2021-02-24 1230 :::::: The code at line 1170 was first introduced by commit :::::: b53fa124acdcec6d05bcdb36b55bf0f84471b1b7 drm/amdkfd: support xgmi same hive mapping :::::: TO: Philip Yang <Philip.Yang@xxxxxxx> :::::: CC: Alex Deucher <alexander.deucher@xxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
