diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index f518dd569a14..0420944da242 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -973,7 +973,7 @@ static void pte_list_desc_remove_entry(struct kvm *kvm, * when adding an entry and the previous head is full, and heads are * removed (this flow) when they become empty. */ - BUG_ON(j < 0); + KVM_BUG_ON_DATA_CORRUPTION(j < 0, kvm); /* * Replace the to-be-freed SPTE with the last valid entry from the head @@ -1004,14 +1004,13 @@ static void pte_list_remove(struct kvm *kvm, u64 *spte, struct pte_list_desc *desc; int i; - if (!rmap_head->val) { - pr_err("%s: %p 0->BUG\n", __func__, spte); - BUG(); - } else if (!(rmap_head->val & 1)) { - if ((u64 *)rmap_head->val != spte) { - pr_err("%s: %p 1->BUG\n", __func__, spte); - BUG(); - } + if (KVM_BUG_ON_DATA_CORRUPTION(!rmap_head->val, kvm)) + return; + + if (!(rmap_head->val & 1)) { + if (KVM_BUG_ON_DATA_CORRUPTION((u64 *)rmap_head->val != spte, kvm)) + return; + rmap_head->val = 0; } else { desc = (struct pte_list_desc *)(rmap_head->val & ~1ul); @@ -1025,8 +1024,8 @@ static void pte_list_remove(struct kvm *kvm, u64 *spte, } desc = desc->more; } - pr_err("%s: %p many->many\n", __func__, spte); - BUG(); + + KVM_BUG_ON_DATA_CORRUPTION(true, kvm); } } |