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) __set_bit(slot, &page_head->slot_bitmap); } -hpa_t safe_gpa_to_hpa(struct kvm *kvm, gpa_t gpa) -{ - hpa_t hpa = gpa_to_hpa(kvm, gpa); - - return is_error_hpa(hpa) ? bad_page_address | (gpa & ~PAGE_MASK): hpa; -} - hpa_t gpa_to_hpa(struct kvm *kvm, gpa_t gpa) { struct page *page; + hpa_t hpa; ASSERT((gpa & HPA_ERR_MASK) == 0); page = gfn_to_page(kvm, gpa >> PAGE_SHIFT); - if (!page) - return gpa | HPA_ERR_MASK; - return ((hpa_t)page_to_pfn(page) << PAGE_SHIFT) - | (gpa & (PAGE_SIZE-1)); + hpa = ((hpa_t)page_to_pfn(page) << PAGE_SHIFT) | (gpa & (PAGE_SIZE-1)); + if (is_error_page(page)) + return hpa | HPA_ERR_MASK; + return hpa; } hpa_t gva_to_hpa(struct kvm_vcpu *vcpu, gva_t gva) |