Hi Maarten, I love your patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] [cannot apply to drm-intel/for-linux-next drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next airlied/drm-next v5.15-rc6 next-20211021] [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/Maarten-Lankhorst/drm-i915-Fix-i... base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: x86_64-randconfig-a011-20211021 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/536df9470ecdddde67095f4f40f37752d... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Maarten-Lankhorst/drm-i915-Fix-i915_request-fence-wait-semantics/20211021-183839 git checkout 536df9470ecdddde67095f4f40f37752d944c343 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/i915/gem/i915_gem_object.c:737: 25 | struct i915_gem_context *hugepage_ctx(struct drm_i915_private *i915, struct file *file) | ^~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/hugepage_ctx +25 drivers/gpu/drm/i915/gem/selftests/huge_pages.c 24 26 { 27 struct i915_gem_context *ctx = live_context(i915, file); 28 struct i915_address_space *vm; 29 30 if (IS_ERR(ctx)) 31 return ctx; 32 33 vm = ctx->vm; 34 if (vm) 35 WRITE_ONCE(vm->scrub_64K, true); 36 37 return ctx; 38 } 39 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org