Re: [PATCH v5 7/8] drm/xe/userptr: replace xe_hmm with gpusvm

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

Hi Matthew,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-xe/drm-xe-next]
[also build test ERROR on next-20250818]
[cannot apply to drm-exynos/exynos-drm-next linus/master v6.17-rc2]
[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/Matthew-Auld/drm-gpusvm-fix-hmm_pfn_to_map_order-usage/20250818-232336
base:   https://gitlab.freedesktop.org/drm/xe/kernel.git drm-xe-next
patch link:    https://lore.kernel.org/r/20250818152152.67815-17-matthew.auld%40intel.com
patch subject: [PATCH v5 7/8] drm/xe/userptr: replace xe_hmm with gpusvm
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20250819/202508190722.CIuroUt0-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250819/202508190722.CIuroUt0-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/202508190722.CIuroUt0-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/xe/xe_userptr.c:177:24: error: no member named 'notifier_seq' in 'struct xe_userptr'
     177 |                                      uvma->userptr.notifier_seq))
         |                                      ~~~~~~~~~~~~~ ^
   drivers/gpu/drm/xe/xe_userptr.c:178:17: error: no member named 'notifier_seq' in 'struct xe_userptr'
     178 |                 uvma->userptr.notifier_seq -= 2;
         |                 ~~~~~~~~~~~~~ ^
   2 errors generated.


vim +177 drivers/gpu/drm/xe/xe_userptr.c

0bab17b0664f42 Matthew Auld 2025-08-18  154  
0bab17b0664f42 Matthew Auld 2025-08-18  155  #if IS_ENABLED(CONFIG_DRM_XE_USERPTR_INVAL_INJECT)
0bab17b0664f42 Matthew Auld 2025-08-18  156  /**
0bab17b0664f42 Matthew Auld 2025-08-18  157   * xe_vma_userptr_force_invalidate() - force invalidate a userptr
0bab17b0664f42 Matthew Auld 2025-08-18  158   * @uvma: The userptr vma to invalidate
0bab17b0664f42 Matthew Auld 2025-08-18  159   *
0bab17b0664f42 Matthew Auld 2025-08-18  160   * Perform a forced userptr invalidation for testing purposes.
0bab17b0664f42 Matthew Auld 2025-08-18  161   */
0bab17b0664f42 Matthew Auld 2025-08-18  162  void xe_vma_userptr_force_invalidate(struct xe_userptr_vma *uvma)
0bab17b0664f42 Matthew Auld 2025-08-18  163  {
0bab17b0664f42 Matthew Auld 2025-08-18  164  	struct xe_vm *vm = xe_vma_vm(&uvma->vma);
0bab17b0664f42 Matthew Auld 2025-08-18  165  
0bab17b0664f42 Matthew Auld 2025-08-18  166  	/* Protect against concurrent userptr pinning */
0bab17b0664f42 Matthew Auld 2025-08-18  167  	lockdep_assert_held(&vm->lock);
0bab17b0664f42 Matthew Auld 2025-08-18  168  	/* Protect against concurrent notifiers */
97df487309a7ce Matthew Auld 2025-08-18  169  	lockdep_assert_held(&vm->svm.gpusvm.notifier_lock);
0bab17b0664f42 Matthew Auld 2025-08-18  170  	/*
0bab17b0664f42 Matthew Auld 2025-08-18  171  	 * Protect against concurrent instances of this function and
0bab17b0664f42 Matthew Auld 2025-08-18  172  	 * the critical exec sections
0bab17b0664f42 Matthew Auld 2025-08-18  173  	 */
0bab17b0664f42 Matthew Auld 2025-08-18  174  	xe_vm_assert_held(vm);
0bab17b0664f42 Matthew Auld 2025-08-18  175  
0bab17b0664f42 Matthew Auld 2025-08-18  176  	if (!mmu_interval_read_retry(&uvma->userptr.notifier,
0bab17b0664f42 Matthew Auld 2025-08-18 @177  				     uvma->userptr.notifier_seq))
0bab17b0664f42 Matthew Auld 2025-08-18  178  		uvma->userptr.notifier_seq -= 2;
0bab17b0664f42 Matthew Auld 2025-08-18  179  	__vma_userptr_invalidate(vm, uvma);
0bab17b0664f42 Matthew Auld 2025-08-18  180  }
0bab17b0664f42 Matthew Auld 2025-08-18  181  #endif
0bab17b0664f42 Matthew Auld 2025-08-18  182  

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