Hi Balint, kernel test robot noticed the following build errors: [auto build test ERROR on lwn/docs-next] [also build test ERROR on soc/for-next linus/master v6.8-rc4 next-20240214] [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/Balint-Dobszay/tee-optee-Move-pool_op-helper-functions/20240213-225716 base: git://git.lwn.net/linux.git docs-next patch link: https://lore.kernel.org/r/20240213145239.379875-2-balint.dobszay%40arm.com patch subject: [PATCH 1/3] tee: optee: Move pool_op helper functions config: i386-buildonly-randconfig-002-20240214 (https://download.01.org/0day-ci/archive/20240214/202402142000.xRg35j1i-lkp@xxxxxxxxx/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240214/202402142000.xRg35j1i-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202402142000.xRg35j1i-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/tee/tee_shm.c:227:15: error: call to undeclared function 'virt_to_phys'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 227 | shm->paddr = virt_to_phys(shm->kaddr); | ^ 1 error generated. vim +/virt_to_phys +227 drivers/tee/tee_shm.c 204 205 int tee_shm_pool_op_alloc_helper(struct tee_shm_pool *pool, struct tee_shm *shm, 206 size_t size, size_t align, 207 int (*shm_register)(struct tee_context *ctx, 208 struct tee_shm *shm, 209 struct page **pages, 210 size_t num_pages, 211 unsigned long start)) 212 { 213 size_t nr_pages = roundup(size, PAGE_SIZE) / PAGE_SIZE; 214 struct page **pages; 215 unsigned int i; 216 int rc = 0; 217 218 /* 219 * Ignore alignment since this is already going to be page aligned 220 * and there's no need for any larger alignment. 221 */ 222 shm->kaddr = alloc_pages_exact(nr_pages * PAGE_SIZE, 223 GFP_KERNEL | __GFP_ZERO); 224 if (!shm->kaddr) 225 return -ENOMEM; 226 > 227 shm->paddr = virt_to_phys(shm->kaddr); 228 shm->size = nr_pages * PAGE_SIZE; 229 230 pages = kcalloc(nr_pages, sizeof(*pages), GFP_KERNEL); 231 if (!pages) { 232 rc = -ENOMEM; 233 goto err; 234 } 235 236 for (i = 0; i < nr_pages; i++) 237 pages[i] = virt_to_page((u8 *)shm->kaddr + i * PAGE_SIZE); 238 239 shm->pages = pages; 240 shm->num_pages = nr_pages; 241 242 if (shm_register) { 243 rc = shm_register(shm->ctx, shm, pages, nr_pages, 244 (unsigned long)shm->kaddr); 245 if (rc) 246 goto err; 247 } 248 249 return 0; 250 err: 251 free_pages_exact(shm->kaddr, shm->size); 252 shm->kaddr = NULL; 253 return rc; 254 } 255 EXPORT_SYMBOL_GPL(tee_shm_pool_op_alloc_helper); 256 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
