Hi Alistair, Thank you for the patch! Yet something to improve: [auto build test ERROR on s390/features] [also build test ERROR on linus/master v5.12-rc2 next-20210309] [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/0day-ci/linux/commits/Alistair-Popple/Add-support-for-SVM-atomics-in-Nouveau/20210310-064003 base: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features 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://github.com/0day-ci/linux/commit/f16159aa0e930d32501682bca18bd840f4afd7f1 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Alistair-Popple/Add-support-for-SVM-atomics-in-Nouveau/20210310-064003 git checkout f16159aa0e930d32501682bca18bd840f4afd7f1 # 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 Note: the linux-review/Alistair-Popple/Add-support-for-SVM-atomics-in-Nouveau/20210310-064003 HEAD 1c7d3a45d0693d661c4d9fbd8d25745b1db4fcbb builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): drivers/gpu/drm/nouveau/nouveau_svm.c: In function 'nouveau_svmm_invalidate_range_start': >> drivers/gpu/drm/nouveau/nouveau_svm.c:268:12: error: 'const struct mmu_notifier_range' has no member named 'migrate_pgmap_owner' 268 | update->migrate_pgmap_owner == svmm->vmm->cli->drm->dev) | ^~ drivers/gpu/drm/nouveau/nouveau_svm.c: In function 'nouveau_pfns_map': drivers/gpu/drm/nouveau/nouveau_svm.c:814:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 814 | int ret; | ^~~ vim +268 drivers/gpu/drm/nouveau/nouveau_svm.c eeaf06ac1a5584 Ben Skeggs 2018-07-05 244 eeaf06ac1a5584 Ben Skeggs 2018-07-05 245 static int c625c274ee0058 Jason Gunthorpe 2019-11-12 246 nouveau_svmm_invalidate_range_start(struct mmu_notifier *mn, 1f961807925032 Ralph Campbell 2019-07-25 247 const struct mmu_notifier_range *update) eeaf06ac1a5584 Ben Skeggs 2018-07-05 248 { c625c274ee0058 Jason Gunthorpe 2019-11-12 249 struct nouveau_svmm *svmm = c625c274ee0058 Jason Gunthorpe 2019-11-12 250 container_of(mn, struct nouveau_svmm, notifier); eeaf06ac1a5584 Ben Skeggs 2018-07-05 251 unsigned long start = update->start; eeaf06ac1a5584 Ben Skeggs 2018-07-05 252 unsigned long limit = update->end; eeaf06ac1a5584 Ben Skeggs 2018-07-05 253 1f961807925032 Ralph Campbell 2019-07-25 254 if (!mmu_notifier_range_blockable(update)) eeaf06ac1a5584 Ben Skeggs 2018-07-05 255 return -EAGAIN; eeaf06ac1a5584 Ben Skeggs 2018-07-05 256 eeaf06ac1a5584 Ben Skeggs 2018-07-05 257 SVMM_DBG(svmm, "invalidate %016lx-%016lx", start, limit); eeaf06ac1a5584 Ben Skeggs 2018-07-05 258 eeaf06ac1a5584 Ben Skeggs 2018-07-05 259 mutex_lock(&svmm->mutex); c625c274ee0058 Jason Gunthorpe 2019-11-12 260 if (unlikely(!svmm->vmm)) c625c274ee0058 Jason Gunthorpe 2019-11-12 261 goto out; c625c274ee0058 Jason Gunthorpe 2019-11-12 262 f8477ce6b5923e Ralph Campbell 2020-07-23 263 /* f8477ce6b5923e Ralph Campbell 2020-07-23 264 * Ignore invalidation callbacks for device private pages since f8477ce6b5923e Ralph Campbell 2020-07-23 265 * the invalidation is handled as part of the migration process. f8477ce6b5923e Ralph Campbell 2020-07-23 266 */ f8477ce6b5923e Ralph Campbell 2020-07-23 267 if (update->event == MMU_NOTIFY_MIGRATE && f8477ce6b5923e Ralph Campbell 2020-07-23 @268 update->migrate_pgmap_owner == svmm->vmm->cli->drm->dev) f8477ce6b5923e Ralph Campbell 2020-07-23 269 goto out; f8477ce6b5923e Ralph Campbell 2020-07-23 270 eeaf06ac1a5584 Ben Skeggs 2018-07-05 271 if (limit > svmm->unmanaged.start && start < svmm->unmanaged.limit) { eeaf06ac1a5584 Ben Skeggs 2018-07-05 272 if (start < svmm->unmanaged.start) { eeaf06ac1a5584 Ben Skeggs 2018-07-05 273 nouveau_svmm_invalidate(svmm, start, eeaf06ac1a5584 Ben Skeggs 2018-07-05 274 svmm->unmanaged.limit); eeaf06ac1a5584 Ben Skeggs 2018-07-05 275 } eeaf06ac1a5584 Ben Skeggs 2018-07-05 276 start = svmm->unmanaged.limit; eeaf06ac1a5584 Ben Skeggs 2018-07-05 277 } eeaf06ac1a5584 Ben Skeggs 2018-07-05 278 eeaf06ac1a5584 Ben Skeggs 2018-07-05 279 nouveau_svmm_invalidate(svmm, start, limit); c625c274ee0058 Jason Gunthorpe 2019-11-12 280 c625c274ee0058 Jason Gunthorpe 2019-11-12 281 out: eeaf06ac1a5584 Ben Skeggs 2018-07-05 282 mutex_unlock(&svmm->mutex); eeaf06ac1a5584 Ben Skeggs 2018-07-05 283 return 0; eeaf06ac1a5584 Ben Skeggs 2018-07-05 284 } eeaf06ac1a5584 Ben Skeggs 2018-07-05 285 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org