Re: [PATCH] KVM: arm64: Allow module-owned pages in host stage-2 range adjustment
From: kernel test robot
Date: Mon Feb 09 2026 - 17:51:04 EST
Hi,
kernel test robot noticed the following build errors:
[auto build test ERROR on kvmarm/next]
[also build test ERROR on linus/master v6.19 next-20260209]
[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/kyle-jk-liao-mediatek-com/KVM-arm64-Allow-module-owned-pages-in-host-stage-2-range-adjustment/20260209-112902
base: https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next
patch link: https://lore.kernel.org/r/20260209032421.1278325-1-kyle-jk.liao%40mediatek.com
patch subject: [PATCH] KVM: arm64: Allow module-owned pages in host stage-2 range adjustment
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20260210/202602100627.0HOjIqkT-lkp@xxxxxxxxx/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/20260210/202602100627.0HOjIqkT-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602100627.0HOjIqkT-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
>> arch/arm64/kvm/hyp/nvhe/mem_protect.c:513:53: error: use of undeclared identifier 'PKVM_MODULE_OWNED_PAGE'
513 | (state != PKVM_NOPAGE && state != (PKVM_NOPAGE | PKVM_MODULE_OWNED_PAGE)));
| ^
1 error generated.
vim +/PKVM_MODULE_OWNED_PAGE +513 arch/arm64/kvm/hyp/nvhe/mem_protect.c
492
493 static int host_stage2_adjust_range(u64 addr, struct kvm_mem_range *range)
494 {
495 struct kvm_mem_range cur;
496 kvm_pte_t pte;
497 u64 granule;
498 s8 level;
499 int ret;
500 enum pkvm_page_state state;
501
502 hyp_assert_lock_held(&host_mmu.lock);
503 ret = kvm_pgtable_get_leaf(&host_mmu.pgt, addr, &pte, &level);
504 if (ret)
505 return ret;
506
507 if (kvm_pte_valid(pte))
508 return -EAGAIN;
509
510 if (pte) {
511 state = get_host_state(hyp_phys_to_page(addr));
512 WARN_ON(addr_is_memory(addr) &&
> 513 (state != PKVM_NOPAGE && state != (PKVM_NOPAGE | PKVM_MODULE_OWNED_PAGE)));
514 return -EPERM;
515 }
516
517 for (; level <= KVM_PGTABLE_LAST_LEVEL; level++) {
518 if (!kvm_level_supports_block_mapping(level))
519 continue;
520 granule = kvm_granule_size(level);
521 cur.start = ALIGN_DOWN(addr, granule);
522 cur.end = cur.start + granule;
523 if (!range_included(&cur, range))
524 continue;
525 *range = cur;
526 return 0;
527 }
528
529 WARN_ON(1);
530
531 return -EINVAL;
532 }
533
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