Messages in this thread | | | Date | Tue, 28 Sep 2021 19:55:01 +0800 | From | kernel test robot <> | Subject | [intel-tdx:guest 69/127] drivers/gpu/drm/i915/gem/i915_gem_object.h:43:6: error: shift count >= width of type |
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tree: https://github.com/intel/tdx.git guest head: 10b6ec254ee65ec602a7c3efde66ac0ca545b4bc commit: b0040b6252b9f83c00f70d3b975238cb47381270 [69/127] x86/tdx: Add device filter support for x86 TDX guest platform config: x86_64-randconfig-a006-20210928 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project dc6e8dfdfe7efecfda318d43a06fae18b40eb498) 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/intel/tdx/commit/b0040b6252b9f83c00f70d3b975238cb47381270 git remote add intel-tdx https://github.com/intel/tdx.git git fetch --no-tags intel-tdx guest git checkout b0040b6252b9f83c00f70d3b975238cb47381270 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from <built-in>:4: In file included from drivers/gpu/drm/i915/display/intel_cdclk.h:11: In file included from drivers/gpu/drm/i915/i915_drv.h:36: In file included from arch/x86/include/asm/hypervisor.h:37: In file included from arch/x86/include/asm/kvm_para.h:7: arch/x86/include/asm/tdx.h:175:12: error: incomplete definition of type 'struct device' return dev->authorized; ~~~^ include/linux/bitmap.h:13:8: note: forward declaration of 'struct device' struct device; ^ In file included from <built-in>:4: In file included from drivers/gpu/drm/i915/display/intel_cdclk.h:11: In file included from drivers/gpu/drm/i915/i915_drv.h:84: In file included from drivers/gpu/drm/i915/gt/intel_engine.h:17: In file included from drivers/gpu/drm/i915/gt/intel_gt_types.h:18: In file included from drivers/gpu/drm/i915/gt/uc/intel_uc.h:9: In file included from drivers/gpu/drm/i915/gt/uc/intel_guc.h:21: In file included from drivers/gpu/drm/i915/i915_vma.h:34: >> drivers/gpu/drm/i915/gem/i915_gem_object.h:43:6: error: shift count >= width of type [-Werror,-Wshift-count-overflow] if (overflows_type(size, obj->base.size)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_utils.h:125:32: note: expanded from macro 'overflows_type' (sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T)) ^ ~~~~~~~~~~~~~~~~ 2 errors generated. -- In file included from drivers/gpu/drm/i915/gem/i915_gem_internal.c:7: In file included from include/linux/scatterlist.h:9: In file included from arch/x86/include/asm/io.h:45: arch/x86/include/asm/tdx.h:175:12: error: incomplete definition of type 'struct device' return dev->authorized; ~~~^ include/linux/bitmap.h:13:8: note: forward declaration of 'struct device' struct device; ^ In file included from drivers/gpu/drm/i915/gem/i915_gem_internal.c:11: In file included from drivers/gpu/drm/i915/i915_drv.h:84: In file included from drivers/gpu/drm/i915/gt/intel_engine.h:17: In file included from drivers/gpu/drm/i915/gt/intel_gt_types.h:18: In file included from drivers/gpu/drm/i915/gt/uc/intel_uc.h:9: In file included from drivers/gpu/drm/i915/gt/uc/intel_guc.h:21: In file included from drivers/gpu/drm/i915/i915_vma.h:34: >> drivers/gpu/drm/i915/gem/i915_gem_object.h:43:6: error: shift count >= width of type [-Werror,-Wshift-count-overflow] if (overflows_type(size, obj->base.size)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_utils.h:125:32: note: expanded from macro 'overflows_type' (sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T)) ^ ~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/i915/gem/i915_gem_internal.c:172:6: error: shift count >= width of type [-Werror,-Wshift-count-overflow] if (overflows_type(size, obj->base.size)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_utils.h:125:32: note: expanded from macro 'overflows_type' (sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T)) ^ ~~~~~~~~~~~~~~~~ 3 errors generated. -- In file included from drivers/gpu/drm/i915/i915_query.c:9: In file included from drivers/gpu/drm/i915/i915_drv.h:36: In file included from arch/x86/include/asm/hypervisor.h:37: In file included from arch/x86/include/asm/kvm_para.h:7: arch/x86/include/asm/tdx.h:175:12: error: incomplete definition of type 'struct device' return dev->authorized; ~~~^ include/linux/bitmap.h:13:8: note: forward declaration of 'struct device' struct device; ^ In file included from drivers/gpu/drm/i915/i915_query.c:9: In file included from drivers/gpu/drm/i915/i915_drv.h:84: In file included from drivers/gpu/drm/i915/gt/intel_engine.h:17: In file included from drivers/gpu/drm/i915/gt/intel_gt_types.h:18: In file included from drivers/gpu/drm/i915/gt/uc/intel_uc.h:9: In file included from drivers/gpu/drm/i915/gt/uc/intel_guc.h:21: In file included from drivers/gpu/drm/i915/i915_vma.h:34: >> drivers/gpu/drm/i915/gem/i915_gem_object.h:43:6: error: shift count >= width of type [-Werror,-Wshift-count-overflow] if (overflows_type(size, obj->base.size)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_utils.h:125:32: note: expanded from macro 'overflows_type' (sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T)) ^ ~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/i915/i915_query.c:513:7: error: shift count >= width of type [-Werror,-Wshift-count-overflow] if (overflows_type(item.query_id - 1, unsigned long)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_utils.h:125:32: note: expanded from macro 'overflows_type' (sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T)) ^ ~~~~~~~~~~~~~~~~ 3 errors generated. -- In file included from drivers/gpu/drm/i915/display/intel_dsi_vbt.c:29: In file included from include/linux/mfd/intel_soc_pmic.h:14: In file included from include/linux/regmap.h:20: In file included from include/linux/iopoll.h:14: In file included from include/linux/io.h:13: In file included from arch/x86/include/asm/io.h:45: arch/x86/include/asm/tdx.h:175:12: error: incomplete definition of type 'struct device' return dev->authorized; ~~~^ include/linux/gpio/consumer.h:10:8: note: forward declaration of 'struct device' struct device; ^ In file included from drivers/gpu/drm/i915/display/intel_dsi_vbt.c:42: In file included from drivers/gpu/drm/i915/i915_drv.h:84: In file included from drivers/gpu/drm/i915/gt/intel_engine.h:17: In file included from drivers/gpu/drm/i915/gt/intel_gt_types.h:18: In file included from drivers/gpu/drm/i915/gt/uc/intel_uc.h:9: In file included from drivers/gpu/drm/i915/gt/uc/intel_guc.h:21: In file included from drivers/gpu/drm/i915/i915_vma.h:34: >> drivers/gpu/drm/i915/gem/i915_gem_object.h:43:6: error: shift count >= width of type [-Werror,-Wshift-count-overflow] if (overflows_type(size, obj->base.size)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_utils.h:125:32: note: expanded from macro 'overflows_type' (sizeof(x) > sizeof(T) && (x) >> BITS_PER_TYPE(T)) ^ ~~~~~~~~~~~~~~~~ 2 errors generated.
vim +43 drivers/gpu/drm/i915/gem/i915_gem_object.h
b6e913e19c54ed Thomas Hellström 2021-06-29 22 ae2fb480f32f65 Matthew Auld 2021-01-22 23 /* ae2fb480f32f65 Matthew Auld 2021-01-22 24 * XXX: There is a prevalence of the assumption that we fit the ae2fb480f32f65 Matthew Auld 2021-01-22 25 * object's page count inside a 32bit _signed_ variable. Let's document ae2fb480f32f65 Matthew Auld 2021-01-22 26 * this and catch if we ever need to fix it. In the meantime, if you do ae2fb480f32f65 Matthew Auld 2021-01-22 27 * spot such a local variable, please consider fixing! ae2fb480f32f65 Matthew Auld 2021-01-22 28 * ae2fb480f32f65 Matthew Auld 2021-01-22 29 * Aside from our own locals (for which we have no excuse!): ae2fb480f32f65 Matthew Auld 2021-01-22 30 * - sg_table embeds unsigned int for num_pages ae2fb480f32f65 Matthew Auld 2021-01-22 31 * - get_user_pages*() mixed ints with longs ae2fb480f32f65 Matthew Auld 2021-01-22 32 */ ae2fb480f32f65 Matthew Auld 2021-01-22 33 #define GEM_CHECK_SIZE_OVERFLOW(sz) \ ae2fb480f32f65 Matthew Auld 2021-01-22 34 GEM_WARN_ON((sz) >> PAGE_SHIFT > INT_MAX) ae2fb480f32f65 Matthew Auld 2021-01-22 35 ae2fb480f32f65 Matthew Auld 2021-01-22 36 static inline bool i915_gem_object_size_2big(u64 size) ae2fb480f32f65 Matthew Auld 2021-01-22 37 { ae2fb480f32f65 Matthew Auld 2021-01-22 38 struct drm_i915_gem_object *obj; ae2fb480f32f65 Matthew Auld 2021-01-22 39 ae2fb480f32f65 Matthew Auld 2021-01-22 40 if (GEM_CHECK_SIZE_OVERFLOW(size)) ae2fb480f32f65 Matthew Auld 2021-01-22 41 return true; ae2fb480f32f65 Matthew Auld 2021-01-22 42 ae2fb480f32f65 Matthew Auld 2021-01-22 @43 if (overflows_type(size, obj->base.size)) ae2fb480f32f65 Matthew Auld 2021-01-22 44 return true; ae2fb480f32f65 Matthew Auld 2021-01-22 45 ae2fb480f32f65 Matthew Auld 2021-01-22 46 return false; ae2fb480f32f65 Matthew Auld 2021-01-22 47 } ae2fb480f32f65 Matthew Auld 2021-01-22 48
:::::: The code at line 43 was first introduced by commit :::::: ae2fb480f32f657d896d78b6214c2efebfa61993 drm/i915/gem: consolidate 2big error checking for object sizes
:::::: TO: Matthew Auld <matthew.auld@intel.com> :::::: CC: Daniel Vetter <daniel.vetter@ffwll.ch>
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