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Message-ID: <202610290611.oQawVDDO-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list tree: https://github.com/kkdwivedi/linux arena-lazy-pte head: ce19d941e895a85d7dc1e7d49e6b90b1262f7e79 commit: 71ddc46be0a854bf80bacf6c588aefd04049b95e [4/6] bpf: arena: Add the scratch PTE table and PMD-level fault recovery config: sparc-randconfig-1000-20261028 (https://download.01.org/0day-ci/archive/20261029/202610290611.oQawVDDO-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 16.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261029/202610290611.oQawVDDO-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202610290611.oQawVDDO-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/bpf/arena.c: In function 'arena_alloc_scratch_pt': >> kernel/bpf/arena.c:319:17: error: implicit declaration of function 'set_pte'; did you mean 'set_ptes'? [-Wimplicit-function-declaration] 319 | set_pte(&arena->scratch_pt[i], pteval); | ^~~~~~~ | set_ptes vim +319 kernel/bpf/arena.c 309 310 static int arena_alloc_scratch_pt(struct bpf_arena *arena) 311 { 312 pte_t pteval = mk_pte(arena->scratch_page, PAGE_KERNEL); 313 unsigned long i; 314 315 arena->scratch_pt = arena_alloc_pt(arena, true); 316 if (!arena->scratch_pt) 317 return -ENOMEM; 318 for (i = 0; i < PTRS_PER_PTE; i++) > 319 set_pte(&arena->scratch_pt[i], pteval); 320 /* 321 * The table is published much later, by the atomic PMD install in the 322 * fault handler, which orders these stores before the entry becomes 323 * visible. Make that explicit here, where the table is filled. 324 */ 325 smp_wmb(); 326 return 0; 327 } 328 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki