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charset=utf-8 Content-Transfer-Encoding: quoted-printable tree: https://gitlab.freedesktop.org/drm/tip.git drm-tip head: 5fc0f82c971ea3b4e1c58602c0be573a802a8670 commit: f8363c190f6fe6cffebc8733c2375330112327f9 [1/9] Merge remote-trackin= g branch 'drm/drm-next' into drm-tip config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20260614= /202606140935.EiNEvxGP-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 305= faf498a4e0b52b40742c927af63ab2082e1a9) reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archive= /20260614/202606140935.EiNEvxGP-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new versio= n of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202606140935.EiNEvxGP-lkp@i= ntel.com/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c:203:1: warning: unused label 're= try' [-Wunused-label] 203 | retry: | ^~~~~~ 1 warning generated. vim +/retry +203 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 168 =20 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 169 int amdgpu_hmm_range_get_pages(struct mmu_interval_notif= ier *notifier, d4cbff464d2932a drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Christian K=C3=B6ni= g 2022-11-09 170 uint64_t start, uint64_t npages, bool rea= donly, c5b3cc417b0260a drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Sunil Khatri = 2025-09-17 171 void *owner, 737da5363cc07c9 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Sunil Khatri = 2025-10-10 172 struct amdgpu_hmm_range *range) 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 173 { 962d684b5dc0741 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Christian K=C3=B6ni= g 2026-02-18 174 const u64 max_bytes =3D SZ_2G; 962d684b5dc0741 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Christian K=C3=B6ni= g 2026-02-18 175 =20 962d684b5dc0741 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Christian K=C3=B6ni= g 2026-02-18 176 struct hmm_range *hmm_range =3D &range->hmm_range; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 177 unsigned long *pfns; 962d684b5dc0741 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Christian K=C3=B6ni= g 2026-02-18 178 unsigned long end; 962d684b5dc0741 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Christian K=C3=B6ni= g 2026-02-18 179 int r; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 180 =20 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 181 pfns =3D kvmalloc_array(npages, sizeof(*pfns), GFP_KERN= EL); 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 182 if (unlikely(!pfns)) { 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 183 r =3D -ENOMEM; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 184 goto out_free_range; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 185 } 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 186 =20 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 187 hmm_range->notifier =3D notifier; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 188 hmm_range->default_flags =3D HMM_PFN_REQ_FAULT; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 189 if (!readonly) 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 190 hmm_range->default_flags |=3D HMM_PFN_REQ_WRITE; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 191 hmm_range->hmm_pfns =3D pfns; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 192 hmm_range->start =3D start; c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 193 end =3D start + npages * PAGE_SIZE; 8c21fc49a8e637b drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Alex Sierra = 2021-05-06 194 hmm_range->dev_private_owner =3D owner; d8a3c1c80ceb656 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2021-03-30 195 =20 962d684b5dc0741 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Christian K=C3=B6ni= g 2026-02-18 196 hmm_range->notifier_seq =3D mmu_interval_read_begi= n(notifier); c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 197 do { 962d684b5dc0741 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Christian K=C3=B6ni= g 2026-02-18 198 hmm_range->end =3D min(hmm_range->start + max_byt= es, end); c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 199 =20 c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 200 pr_debug("hmm range: start =3D 0x%lx, end =3D 0x%lx", c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 201 hmm_range->start, hmm_range->end); c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 202 =20 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 @203 retry: 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 204 r =3D hmm_range_fault(hmm_range); 342981fff32802a drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Honglei Huang = 2026-05-29 205 if (unlikely(r)) 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 206 goto out_free_pfns; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 207 =20 c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 208 if (hmm_range->end =3D=3D end) c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 209 break; 962d684b5dc0741 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Christian K=C3=B6ni= g 2026-02-18 210 hmm_range->hmm_pfns +=3D max_bytes >> PAGE_SHIFT; c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 211 hmm_range->start =3D hmm_range->end; c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 212 } while (hmm_range->end < end); c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 213 =20 c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 214 hmm_range->start =3D start; c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 215 hmm_range->hmm_pfns =3D pfns; c1420a5dd4dd2a1 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c James Zhu = 2022-11-17 216 =20 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 217 return 0; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 218 =20 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 219 out_free_pfns: 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 220 kvfree(pfns); dfc74e37bdb487e drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Srinivasan Shanmuga= m 2025-10-23 221 hmm_range->hmm_pfns =3D NULL; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 222 out_free_range: 9095e5544061b16 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Philip Yang = 2024-04-30 223 if (r =3D=3D -EBUSY) 9095e5544061b16 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c Philip Yang = 2024-04-30 224 r =3D -EAGAIN; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 225 return r; 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 226 } 04d8d73dbcbe645 drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c Philip Yang = 2020-02-24 227 =20 :::::: The code at line 203 was first introduced by commit :::::: 04d8d73dbcbe645a378fca6adc6f0e7111e46c17 drm/amdgpu: add common HMM = get pages function :::::: TO: Philip Yang :::::: CC: Alex Deucher -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki