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Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 27931867791..84dd33e717f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -482,7 +482,7 @@ EXPORT_SYMBOL_GPL(kvm_lmsw);
void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
{
- unsigned long old_cr4 = vcpu->arch.cr4;
+ unsigned long old_cr4 = kvm_read_cr4(vcpu);
unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE;
if (cr4 & CR4_RESERVED_BITS) {
@@ -1899,7 +1899,7 @@ static int kvm_vcpu_ioctl_x86_set_mce(struct kvm_vcpu *vcpu,
return 0;
if (mce->status & MCI_STATUS_UC) {
if ((vcpu->arch.mcg_status & MCG_STATUS_MCIP) ||
- !(vcpu->arch.cr4 & X86_CR4_MCE)) {
+ !kvm_read_cr4_bits(vcpu, X86_CR4_MCE)) {
printk(KERN_DEBUG "kvm: set_mce: "
"injects mce exception while "
"previous one is in progress!\n");
@@ -3616,7 +3616,6 @@ unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr)
{
unsigned long value;
- kvm_x86_ops->decache_cr4_guest_bits(vcpu);
switch (cr) {
case 0:
value = vcpu->arch.cr0;
@@ -3628,7 +3627,7 @@ unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr)
value = vcpu->arch.cr3;
break;
case 4:
- value = vcpu->arch.cr4;
+ value = kvm_read_cr4(vcpu);
break;
case 8:
value = kvm_get_cr8(vcpu);
@@ -3656,7 +3655,7 @@ void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long val,
kvm_set_cr3(vcpu, val);
break;
case 4:
- kvm_set_cr4(vcpu, mk_cr_64(vcpu->arch.cr4, val));
+ kvm_set_cr4(vcpu, mk_cr_64(kvm_read_cr4(vcpu), val));
break;
case 8:
kvm_set_cr8(vcpu, val & 0xfUL);
@@ -4237,11 +4236,10 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
sregs->gdt.limit = dt.limit;
sregs->gdt.base = dt.base;
- kvm_x86_ops->decache_cr4_guest_bits(vcpu);
sregs->cr0 = vcpu->arch.cr0;
sregs->cr2 = vcpu->arch.cr2;
sregs->cr3 = vcpu->arch.cr3;
- sregs->cr4 = vcpu->arch.cr4;
+ sregs->cr4 = kvm_read_cr4(vcpu);
sregs->cr8 = kvm_get_cr8(vcpu);
sregs->efer = vcpu->arch.shadow_efer;
sregs->apic_base = kvm_get_apic_base(vcpu);
@@ -4737,13 +4735,11 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
kvm_x86_ops->set_efer(vcpu, sregs->efer);
kvm_set_apic_base(vcpu, sregs->apic_base);
- kvm_x86_ops->decache_cr4_guest_bits(vcpu);
-
mmu_reset_needed |= vcpu->arch.cr0 != sregs->cr0;
kvm_x86_ops->set_cr0(vcpu, sregs->cr0);
vcpu->arch.cr0 = sregs->cr0;
- mmu_reset_needed |= vcpu->arch.cr4 != sregs->cr4;
+ mmu_reset_needed |= kvm_read_cr4(vcpu) != sregs->cr4;
kvm_x86_ops->set_cr4(vcpu, sregs->cr4);
if (!is_long_mode(vcpu) && is_pae(vcpu)) {
load_pdptrs(vcpu, vcpu->arch.cr3);