diff options
Diffstat (limited to 'arch/x86/kvm/mmu_audit.c')
| -rw-r--r-- | arch/x86/kvm/mmu_audit.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/kvm/mmu_audit.c b/arch/x86/kvm/mmu_audit.c index 03d518e499a6..1cee3ec20dd2 100644 --- a/arch/x86/kvm/mmu_audit.c +++ b/arch/x86/kvm/mmu_audit.c @@ -129,7 +129,7 @@ static void audit_mappings(struct kvm_vcpu *vcpu, u64 *sptep, int level) static void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep) { static DEFINE_RATELIMIT_STATE(ratelimit_state, 5 * HZ, 10); - unsigned long *rmapp; + struct kvm_rmap_head *rmap_head; struct kvm_mmu_page *rev_sp; struct kvm_memslots *slots; struct kvm_memory_slot *slot; @@ -150,8 +150,8 @@ static void inspect_spte_has_rmap(struct kvm *kvm, u64 *sptep) return; } - rmapp = __gfn_to_rmap(gfn, rev_sp->role.level, slot); - if (!*rmapp) { + rmap_head = __gfn_to_rmap(gfn, rev_sp->role.level, slot); + if (!rmap_head->val) { if (!__ratelimit(&ratelimit_state)) return; audit_printk(kvm, "no rmap for writable spte %llx\n", @@ -183,7 +183,7 @@ static void check_mappings_rmap(struct kvm *kvm, struct kvm_mmu_page *sp) return; for (i = 0; i < PT64_ENT_PER_PAGE; ++i) { - if (!is_rmap_spte(sp->spt[i])) + if (!is_shadow_present_pte(sp->spt[i])) continue; inspect_spte_has_rmap(kvm, sp->spt + i); @@ -192,7 +192,7 @@ static void check_mappings_rmap(struct kvm *kvm, struct kvm_mmu_page *sp) static void audit_write_protection(struct kvm *kvm, struct kvm_mmu_page *sp) { - unsigned long *rmapp; + struct kvm_rmap_head *rmap_head; u64 *sptep; struct rmap_iterator iter; struct kvm_memslots *slots; @@ -203,13 +203,14 @@ static void audit_write_protection(struct kvm *kvm, struct kvm_mmu_page *sp) slots = kvm_memslots_for_spte_role(kvm, sp->role); slot = __gfn_to_memslot(slots, sp->gfn); - rmapp = __gfn_to_rmap(sp->gfn, PT_PAGE_TABLE_LEVEL, slot); + rmap_head = __gfn_to_rmap(sp->gfn, PT_PAGE_TABLE_LEVEL, slot); - for_each_rmap_spte(rmapp, &iter, sptep) + for_each_rmap_spte(rmap_head, &iter, sptep) { if (is_writable_pte(*sptep)) audit_printk(kvm, "shadow page has writable " "mappings: gfn %llx role %x\n", sp->gfn, sp->role.word); + } } static void audit_sp(struct kvm *kvm, struct kvm_mmu_page *sp) |