diff options
Diffstat (limited to 'drivers/kvm/mmu.c')
-rw-r--r-- | drivers/kvm/mmu.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index bbf5eb427dc6..2ad14fbdcfa0 100644 --- a/drivers/kvm/mmu.c +++ b/drivers/kvm/mmu.c | |||
@@ -850,23 +850,17 @@ static void page_header_update_slot(struct kvm *kvm, void *pte, gpa_t gpa) | |||
850 | __set_bit(slot, &page_head->slot_bitmap); | 850 | __set_bit(slot, &page_head->slot_bitmap); |
851 | } | 851 | } |
852 | 852 | ||
853 | hpa_t safe_gpa_to_hpa(struct kvm *kvm, gpa_t gpa) | ||
854 | { | ||
855 | hpa_t hpa = gpa_to_hpa(kvm, gpa); | ||
856 | |||
857 | return is_error_hpa(hpa) ? bad_page_address | (gpa & ~PAGE_MASK): hpa; | ||
858 | } | ||
859 | |||
860 | hpa_t gpa_to_hpa(struct kvm *kvm, gpa_t gpa) | 853 | hpa_t gpa_to_hpa(struct kvm *kvm, gpa_t gpa) |
861 | { | 854 | { |
862 | struct page *page; | 855 | struct page *page; |
856 | hpa_t hpa; | ||
863 | 857 | ||
864 | ASSERT((gpa & HPA_ERR_MASK) == 0); | 858 | ASSERT((gpa & HPA_ERR_MASK) == 0); |
865 | page = gfn_to_page(kvm, gpa >> PAGE_SHIFT); | 859 | page = gfn_to_page(kvm, gpa >> PAGE_SHIFT); |
866 | if (!page) | 860 | hpa = ((hpa_t)page_to_pfn(page) << PAGE_SHIFT) | (gpa & (PAGE_SIZE-1)); |
867 | return gpa | HPA_ERR_MASK; | 861 | if (is_error_page(page)) |
868 | return ((hpa_t)page_to_pfn(page) << PAGE_SHIFT) | 862 | return hpa | HPA_ERR_MASK; |
869 | | (gpa & (PAGE_SIZE-1)); | 863 | return hpa; |
870 | } | 864 | } |
871 | 865 | ||
872 | hpa_t gva_to_hpa(struct kvm_vcpu *vcpu, gva_t gva) | 866 | hpa_t gva_to_hpa(struct kvm_vcpu *vcpu, gva_t gva) |