Re: [PATCH v2 8/8] drm/xe/xe_vm: Implement xe_vm_get_property_ioctl

[kernel test robot <lkp@intel.com>]

Hi Jonathan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm-xe/drm-xe-next]
[also build test WARNING on next-20250227]
[cannot apply to linus/master v6.14-rc4]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Jonathan-Cavitt/drm-xe-xe_gt_pagefault-Disallow-writes-to-read-only-VMAs/20250228-032204
base:   https://gitlab.freedesktop.org/drm/xe/kernel.git drm-xe-next
patch link:    https://lore.kernel.org/r/20250227191457.84035-9-jonathan.cavitt%40intel.com
patch subject: [PATCH v2 8/8] drm/xe/xe_vm: Implement xe_vm_get_property_ioctl
config: i386-buildonly-randconfig-002-20250228 (https://download.01.org/0day-ci/archive/20250228/202502281118.XNrfLzlo-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250228/202502281118.XNrfLzlo-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502281118.XNrfLzlo-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/xe/xe_vm.c:3267:3: warning: label followed by a declaration is a C23 extension [-Wc23-extensions]
    3267 |                 struct xe_exec_queue_ban_entry *entry;
         |                 ^
   1 warning generated.


vim +3267 drivers/gpu/drm/xe/xe_vm.c

  3260	
  3261	static u32 xe_vm_get_property_size(struct xe_vm *vm, u32 property)
  3262	{
  3263		u32 size = 0;
  3264	
  3265		switch (property) {
  3266		case DRM_XE_VM_GET_PROPERTY_FAULTS:
> 3267			struct xe_exec_queue_ban_entry *entry;
  3268	
  3269			spin_lock(&vm->bans.lock);
  3270			list_for_each_entry(entry, &vm->bans.list, list) {
  3271				struct xe_pagefault *pf = entry->pf;
  3272	
  3273				size += pf ? sizeof(struct drm_xe_ban) : 0;
  3274			}
  3275			spin_unlock(&vm->bans.lock);
  3276			return size;
  3277		case DRM_XE_VM_GET_PROPERTY_BANS:
  3278			spin_lock(&vm->bans.lock);
  3279			size = vm->bans.len * sizeof(struct drm_xe_ban);
  3280			spin_unlock(&vm->bans.lock);
  3281			return size;
  3282		case DRM_XE_VM_GET_PROPERTY_NUM_RESETS:
  3283			return 0;
  3284		default:
  3285			return -EINVAL;
  3286		}
  3287	}
  3288	

-- 
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https://github.com/intel/lkp-tests/wiki