diff options
Diffstat (limited to 'arch/x86/kvm/mmu/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 51671cb34fb6..8f19ea752704 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -2696,8 +2696,8 @@ static int mmu_set_spte(struct kvm_vcpu *vcpu, struct kvm_memory_slot *slot, if (*sptep == spte) { ret = RET_PF_SPURIOUS; } else { - trace_kvm_mmu_set_spte(level, gfn, sptep); flush |= mmu_spte_update(sptep, spte); + trace_kvm_mmu_set_spte(level, gfn, sptep); } if (wrprot) { @@ -3703,7 +3703,7 @@ void kvm_mmu_sync_prev_roots(struct kvm_vcpu *vcpu) } static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu, - gpa_t vaddr, u32 access, + gpa_t vaddr, u64 access, struct x86_exception *exception) { if (exception) @@ -4591,11 +4591,11 @@ static void update_permission_bitmask(struct kvm_mmu *mmu, bool ept) * - X86_CR4_SMAP is set in CR4 * - A user page is accessed * - The access is not a fetch - * - Page fault in kernel mode - * - if CPL = 3 or X86_EFLAGS_AC is clear + * - The access is supervisor mode + * - If implicit supervisor access or X86_EFLAGS_AC is clear * - * Here, we cover the first three conditions. - * The fourth is computed dynamically in permission_fault(); + * Here, we cover the first four conditions. + * The fifth is computed dynamically in permission_fault(); * PFERR_RSVD_MASK bit will be set in PFEC if the access is * *not* subject to SMAP restrictions. */ @@ -5768,17 +5768,24 @@ static void kvm_mmu_invalidate_zap_pages_in_memslot(struct kvm *kvm, kvm_mmu_zap_all_fast(kvm); } -void kvm_mmu_init_vm(struct kvm *kvm) +int kvm_mmu_init_vm(struct kvm *kvm) { struct kvm_page_track_notifier_node *node = &kvm->arch.mmu_sp_tracker; + int r; + INIT_LIST_HEAD(&kvm->arch.active_mmu_pages); + INIT_LIST_HEAD(&kvm->arch.zapped_obsolete_pages); + INIT_LIST_HEAD(&kvm->arch.lpage_disallowed_mmu_pages); spin_lock_init(&kvm->arch.mmu_unsync_pages_lock); - kvm_mmu_init_tdp_mmu(kvm); + r = kvm_mmu_init_tdp_mmu(kvm); + if (r < 0) + return r; node->track_write = kvm_mmu_pte_write; node->track_flush_slot = kvm_mmu_invalidate_zap_pages_in_memslot; kvm_page_track_register_notifier(kvm, node); + return 0; } void kvm_mmu_uninit_vm(struct kvm *kvm) @@ -5842,8 +5849,8 @@ void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end) if (is_tdp_mmu_enabled(kvm)) { for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) - flush = kvm_tdp_mmu_zap_gfn_range(kvm, i, gfn_start, - gfn_end, flush); + flush = kvm_tdp_mmu_zap_leafs(kvm, i, gfn_start, + gfn_end, true, flush); } if (flush) |