diff options
-rw-r--r-- | arch/x86/kvm/mmu/mmu.c | 5 | ||||
-rw-r--r-- | include/linux/kvm_host.h | 2 | ||||
-rw-r--r-- | virt/kvm/kvm_main.c | 8 |
3 files changed, 8 insertions, 7 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 2dcedf04ef85..b209aaf096df 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -2788,15 +2788,16 @@ static void direct_pte_prefetch(struct kvm_vcpu *vcpu, u64 *sptep) static int host_pfn_mapping_level(struct kvm *kvm, gfn_t gfn, kvm_pfn_t pfn, const struct kvm_memory_slot *slot) { + struct page *page = pfn_to_page(pfn); + int level = PG_LEVEL_4K; unsigned long hva; unsigned long flags; - int level = PG_LEVEL_4K; pgd_t pgd; p4d_t p4d; pud_t pud; pmd_t pmd; - if (!PageCompound(pfn_to_page(pfn)) && !kvm_is_zone_device_pfn(pfn)) + if (!PageCompound(page) && !kvm_is_zone_device_page(page)) return PG_LEVEL_4K; /* diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 4334789409c0..6fb433ac2ba1 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1571,7 +1571,7 @@ void kvm_arch_sync_events(struct kvm *kvm); int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu); bool kvm_is_reserved_pfn(kvm_pfn_t pfn); -bool kvm_is_zone_device_pfn(kvm_pfn_t pfn); +bool kvm_is_zone_device_page(struct page *page); struct kvm_irq_ack_notifier { struct hlist_node link; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 7cd0e3d67f9f..aa1bcd5f140d 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -168,7 +168,7 @@ __weak void kvm_arch_guest_memory_reclaimed(struct kvm *kvm) { } -bool kvm_is_zone_device_pfn(kvm_pfn_t pfn) +bool kvm_is_zone_device_page(struct page *page) { /* * The metadata used by is_zone_device_page() to determine whether or @@ -176,10 +176,10 @@ bool kvm_is_zone_device_pfn(kvm_pfn_t pfn) * the device has been pinned, e.g. by get_user_pages(). WARN if the * page_count() is zero to help detect bad usage of this helper. */ - if (!pfn_valid(pfn) || WARN_ON_ONCE(!page_count(pfn_to_page(pfn)))) + if (WARN_ON_ONCE(!page_count(page))) return false; - return is_zone_device_page(pfn_to_page(pfn)); + return is_zone_device_page(page); } bool kvm_is_reserved_pfn(kvm_pfn_t pfn) @@ -192,7 +192,7 @@ bool kvm_is_reserved_pfn(kvm_pfn_t pfn) if (pfn_valid(pfn)) return PageReserved(pfn_to_page(pfn)) && !is_zero_pfn(pfn) && - !kvm_is_zone_device_pfn(pfn); + !kvm_is_zone_device_page(pfn_to_page(pfn)); return true; } |