diff options
Diffstat (limited to 'arch/x86/kvm/paging_tmpl.h')
| -rw-r--r-- | arch/x86/kvm/paging_tmpl.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 81eab9a50e6..4b37e1acd37 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -258,11 +258,17 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *page, pt_element_t gpte; unsigned pte_access; pfn_t pfn; + u64 new_spte; gpte = *(const pt_element_t *)pte; if (~gpte & (PT_PRESENT_MASK | PT_ACCESSED_MASK)) { - if (!is_present_gpte(gpte)) - __set_spte(spte, shadow_notrap_nonpresent_pte); + if (!is_present_gpte(gpte)) { + if (page->unsync) + new_spte = shadow_trap_nonpresent_pte; + else + new_spte = shadow_notrap_nonpresent_pte; + __set_spte(spte, new_spte); + } return; } pgprintk("%s: gpte %llx spte %p\n", __func__, (u64)gpte, spte); |