KVM: SVM: Initialize fpu_active in init_vmcb()

[safe/jmp/linux-2.6] / arch / x86 / kvm / paging_tmpl.h

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index a601713..ede2131 100644 (file)
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -150,7 +150,9 @@ walk:
                walker->table_gfn[walker->level - 1] = table_gfn;
                walker->pte_gpa[walker->level - 1] = pte_gpa;
 
-               kvm_read_guest(vcpu->kvm, pte_gpa, &pte, sizeof(pte));
+               if (kvm_read_guest(vcpu->kvm, pte_gpa, &pte, sizeof(pte)))
+                       goto not_present;
+
                trace_kvm_mmu_paging_element(pte, walker->level);
 
                if (!is_present_gpte(pte))
@@ -455,8 +457,6 @@ out_unlock:
 static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
 {
        struct kvm_shadow_walk_iterator iterator;
-       pt_element_t gpte;
-       gpa_t pte_gpa = -1;
        int level;
        u64 *sptep;
        int need_flush = 0;
@@ -470,10 +470,6 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
                if (level == PT_PAGE_TABLE_LEVEL  ||
                    ((level == PT_DIRECTORY_LEVEL && is_large_pte(*sptep))) ||
                    ((level == PT_PDPE_LEVEL && is_large_pte(*sptep)))) {
-                       struct kvm_mmu_page *sp = page_header(__pa(sptep));
-
-                       pte_gpa = (sp->gfn << PAGE_SHIFT);
-                       pte_gpa += (sptep - sp->spt) * sizeof(pt_element_t);
 
                        if (is_shadow_present_pte(*sptep)) {
                                rmap_remove(vcpu->kvm, sptep);
@@ -492,18 +488,6 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
        if (need_flush)
                kvm_flush_remote_tlbs(vcpu->kvm);
        spin_unlock(&vcpu->kvm->mmu_lock);
-
-       if (pte_gpa == -1)
-               return;
-       if (kvm_read_guest_atomic(vcpu->kvm, pte_gpa, &gpte,
-                                 sizeof(pt_element_t)))
-               return;
-       if (is_present_gpte(gpte) && (gpte & PT_ACCESSED_MASK)) {
-               if (mmu_topup_memory_caches(vcpu))
-                       return;
-               kvm_mmu_pte_write(vcpu, pte_gpa, (const u8 *)&gpte,
-                                 sizeof(pt_element_t), 0);
-       }
 }
 
 static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t vaddr)