== Series Details == Series: series starting with [v6,1/6] drm: move the buddy allocator from i915 into common drm URL : https://patchwork.freedesktop.org/series/98373/ State : warning == Summary == $ dim checkpatch origin/drm-tip 8451ae9df5c2 drm: move the buddy allocator from i915 into common drm -:72: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating? #72: new file mode 100644 -:95: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #95: FILE: drivers/gpu/drm/drm_buddy.c:19: + BUG_ON(order > DRM_BUDDY_MAX_ORDER); -:105: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #105: FILE: drivers/gpu/drm/drm_buddy.c:29: + BUG_ON(block->header & DRM_BUDDY_HEADER_UNUSED); -:174: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #174: FILE: drivers/gpu/drm/drm_buddy.c:98: + BUG_ON(mm->max_order > DRM_BUDDY_MAX_ORDER); -:218: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #218: FILE: drivers/gpu/drm/drm_buddy.c:142: + BUG_ON(i > mm->max_order); -:219: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #219: FILE: drivers/gpu/drm/drm_buddy.c:143: + BUG_ON(drm_buddy_block_size(mm, root) < chunk_size); -:272: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #272: FILE: drivers/gpu/drm/drm_buddy.c:196: + BUG_ON(!drm_buddy_block_is_free(block)); -:273: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #273: FILE: drivers/gpu/drm/drm_buddy.c:197: + BUG_ON(!drm_buddy_block_order(block)); -:280: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #280: FILE: drivers/gpu/drm/drm_buddy.c:204: + block->right = drm_block_alloc(mm, block, block_order, + offset + (mm->chunk_size << block_order)); -:336: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #336: FILE: drivers/gpu/drm/drm_buddy.c:260: + BUG_ON(!drm_buddy_block_is_allocated(block)); -:392: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #392: FILE: drivers/gpu/drm/drm_buddy.c:316: + BUG_ON(!drm_buddy_block_is_free(block)); -:574: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #574: FILE: drivers/gpu/drm/drm_buddy.c:498: + BUG_ON(!drm_buddy_block_is_free(block)); total: 0 errors, 11 warnings, 1 checks, 926 lines checked 66ec8f119d87 drm: improve drm_buddy_alloc function -:375: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #375: FILE: drivers/gpu/drm/drm_buddy.c:578: + BUG_ON(order > mm->max_order); -:376: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #376: FILE: drivers/gpu/drm/drm_buddy.c:579: + BUG_ON(order < min_order); -:503: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #503: FILE: drivers/gpu/drm/i915/i915_ttm_buddy_manager.c:88: + err = drm_buddy_alloc(mm, (u64)place->fpfn << PAGE_SHIFT, + (u64)place->lpfn << PAGE_SHIFT, -:526: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #526: FILE: drivers/gpu/drm/i915/i915_ttm_buddy_manager.c:268: + ret = drm_buddy_alloc(mm, start, + start + size, total: 0 errors, 2 warnings, 2 checks, 534 lines checked 5354ba0352bb drm: implement top-down allocation method 3b4e9eb11c66 drm: implement a method to free unused pages -:120: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #120: FILE: drivers/gpu/drm/i915/i915_ttm_buddy_manager.c:103: + drm_buddy_block_trim(mm, + (u64)n_pages << PAGE_SHIFT, total: 0 errors, 0 warnings, 1 checks, 91 lines checked e5572f040d5f drm/amdgpu: move vram inline functions into a header -:12: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating? #12: new file mode 100644 total: 0 errors, 1 warnings, 0 checks, 51 lines checked 1a7d08a1c14c drm/amdgpu: add drm buddy support to amdgpu -:51: CHECK:PREFER_KERNEL_TYPES: Prefer kernel type 'u32' over 'uint32_t' #51: FILE: drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h:41: + uint32_t mem_type; -:194: CHECK:UNCOMMENTED_DEFINITION: struct mutex definition without comment #194: FILE: drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h:45: + struct mutex lock; -:272: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #272: FILE: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c:254: + if (drm_buddy_alloc(mm, rsv->start, rsv->start + rsv->size, + rsv->size, mm->chunk_size, &rsv->block, -:330: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'rsv->start <= start' #330: FILE: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c:328: + if ((rsv->start <= start) && + (start < (rsv->start + rsv->size))) { -:340: CHECK:UNNECESSARY_PARENTHESES: Unnecessary parentheses around 'rsv->start <= start' #340: FILE: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c:336: + if ((rsv->start <= start) && + (start < (rsv->start + rsv->size))) { -:407: CHECK:BRACES: Unbalanced braces around else statement #407: FILE: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c:391: + else { -:440: WARNING:AVOID_BUG: Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON() #440: FILE: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c:420: + BUG_ON(min_page_size < mm->chunk_size); -:483: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #483: FILE: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c:444: + r = drm_buddy_alloc(mm, (u64)place->fpfn << PAGE_SHIFT, + (u64)lpfn << PAGE_SHIFT, -:506: CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis #506: FILE: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c:466: + drm_buddy_block_trim(mm, + actual_size, total: 0 errors, 1 warnings, 8 checks, 590 lines checked