diff options
Diffstat (limited to 'drivers/kvm/paging_tmpl.h')
| -rw-r--r-- | drivers/kvm/paging_tmpl.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/kvm/paging_tmpl.h b/drivers/kvm/paging_tmpl.h index 7af49ae..11cac9d 100644 --- a/drivers/kvm/paging_tmpl.h +++ b/drivers/kvm/paging_tmpl.h @@ -179,6 +179,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, for (; ; level--) { u32 index = SHADOW_PT_INDEX(addr, level); u64 *shadow_ent = ((u64 *)__va(shadow_addr)) + index; + struct kvm_mmu_page *shadow_page; u64 shadow_pte; if (is_present_pte(*shadow_ent) || is_io_pte(*shadow_ent)) { @@ -204,9 +205,10 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, return shadow_ent; } - shadow_addr = kvm_mmu_alloc_page(vcpu, shadow_ent); - if (!VALID_PAGE(shadow_addr)) + shadow_page = kvm_mmu_alloc_page(vcpu, shadow_ent); + if (!shadow_page) return ERR_PTR(-ENOMEM); + shadow_addr = shadow_page->page_hpa; shadow_pte = shadow_addr | PT_PRESENT_MASK | PT_ACCESSED_MASK | PT_WRITABLE_MASK | PT_USER_MASK; *shadow_ent = shadow_pte; |