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X-CSE-ConnectionGUID: hFaYMTdxQee6bjfOasHgAA== X-CSE-MsgGUID: V3sF3T2tT2mqsvbrzoIhLw== X-IronPort-AV: E=McAfee;i="6800,10657,11621"; a="65080094" X-IronPort-AV: E=Sophos;i="6.20,218,1758610800"; d="scan'208";a="65080094" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Nov 2025 05:50:46 -0800 X-CSE-ConnectionGUID: 8MYHAAF5QeKDLY2fmws1Jg== X-CSE-MsgGUID: SfpbS6vlQCm5aGhmCFP72g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,218,1758610800"; d="scan'208";a="222874520" Received: from lkp-server01.sh.intel.com (HELO adf6d29aa8d9) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 22 Nov 2025 05:50:45 -0800 Received: from kbuild by adf6d29aa8d9 with local (Exim 4.96) (envelope-from ) id 1vMo0g-0007Yh-2g; Sat, 22 Nov 2025 13:50:42 +0000 Date: Sat, 22 Nov 2025 21:49:47 +0800 From: kernel test robot To: "Mike Rapoport (Microsoft)" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Mike Rapoport Subject: [rppt:uffd+guestmemfd/v1 4/5] arch/x86/kvm/../../../virt/kvm/guest_memfd.c:376:10: error: use of undeclared identifier 'VM_FAULT_USERFAULTFD' Message-ID: <202511222133.qIuQVc3r-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git uffd+guestmemfd/v1 head: 37911e172b33e52e4e224da52775c714483c8a90 commit: bf20f42e7ef8a03b1df8aca27e5159b87f7d40ea [4/5] guest_memfd: add support for userfaultfd minor mode config: x86_64-randconfig-075-20251122 (https://download.01.org/0day-ci/archive/20251122/202511222133.qIuQVc3r-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511222133.qIuQVc3r-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202511222133.qIuQVc3r-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/x86/kvm/../../../virt/kvm/guest_memfd.c:376:10: error: use of undeclared identifier 'VM_FAULT_USERFAULTFD' 376 | return VM_FAULT_USERFAULTFD; | ^ 1 error generated. vim +/VM_FAULT_USERFAULTFD +376 arch/x86/kvm/../../../virt/kvm/guest_memfd.c 350 351 static vm_fault_t kvm_gmem_fault_user_mapping(struct vm_fault *vmf) 352 { 353 struct inode *inode = file_inode(vmf->vma->vm_file); 354 struct folio *folio; 355 vm_fault_t ret = VM_FAULT_LOCKED; 356 357 if (((loff_t)vmf->pgoff << PAGE_SHIFT) >= i_size_read(inode)) 358 return VM_FAULT_SIGBUS; 359 360 if (!((u64)inode->i_private & GUEST_MEMFD_FLAG_INIT_SHARED)) 361 return VM_FAULT_SIGBUS; 362 363 folio = kvm_gmem_get_folio(inode, vmf->pgoff); 364 if (IS_ERR(folio)) { 365 int err = PTR_ERR(folio); 366 367 if (err == -EAGAIN) 368 return VM_FAULT_RETRY; 369 370 return vmf_error(err); 371 } 372 373 if (userfaultfd_minor(vmf->vma)) { 374 folio_unlock(folio); 375 folio_put(folio); > 376 return VM_FAULT_USERFAULTFD; 377 } 378 379 if (WARN_ON_ONCE(folio_test_large(folio))) { 380 ret = VM_FAULT_SIGBUS; 381 goto out_folio; 382 } 383 384 if (!folio_test_uptodate(folio)) { 385 clear_highpage(folio_page(folio, 0)); 386 kvm_gmem_mark_prepared(folio); 387 } 388 389 vmf->page = folio_file_page(folio, vmf->pgoff); 390 391 out_folio: 392 if (ret != VM_FAULT_LOCKED) { 393 folio_unlock(folio); 394 folio_put(folio); 395 } 396 397 return ret; 398 } 399 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki