Hi Jason, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-tip/drm-tip] [cannot apply to drm-intel/for-linux-next drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next drm/drm-next v5.13-rc5 next-20210608] [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/Jason-Ekstrand/drm-i915-gem-ioctl-clean-ups-v6/20210609-123926 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: x86_64-randconfig-s022-20210608 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://github.com/0day-ci/linux/commit/bb392954307892ab2d4913f113e90c85cf25ef16 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jason-Ekstrand/drm-i915-gem-ioctl-clean-ups-v6/20210609-123926 git checkout bb392954307892ab2d4913f113e90c85cf25ef16 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:746:13: sparse: sparse: incompatible types in comparison expression (different address spaces): >> drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:746:13: sparse: struct i915_address_space [noderef] __rcu * >> drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:746:13: sparse: struct i915_address_space * drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:772:49: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:772:49: sparse: struct i915_address_space [noderef] __rcu * drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:772:49: sparse: struct i915_address_space * vim +746 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 736 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 737 static int eb_select_context(struct i915_execbuffer *eb) 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 738 { 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 739 struct i915_gem_context *ctx; 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 740 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 741 ctx = i915_gem_context_lookup(eb->file->driver_priv, eb->args->rsvd1); cedda38c8d96263 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c Jason Ekstrand 2021-06-08 742 if (unlikely(IS_ERR(ctx))) cedda38c8d96263 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c Jason Ekstrand 2021-06-08 743 return PTR_ERR(ctx); 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 744 8f2a1057d6ec217 drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2019-04-25 745 eb->gem_context = ctx; a4e7ccdac38ec83 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c Chris Wilson 2019-10-04 @746 if (rcu_access_pointer(ctx->vm)) 4f2c7337af638bd drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2018-09-01 747 eb->invalid_flags |= EXEC_OBJECT_NEEDS_GTT; 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 748 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 749 return 0; 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 750 } 2889caa9232109a drivers/gpu/drm/i915/i915_gem_execbuffer.c Chris Wilson 2017-06-16 751 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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