[PATCH] KVM: Prevent stale bits in cr0 and cr4

[karo-tx-linux.git] / drivers / kvm / svm.c

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 855207a9b3962c12513648a7baf4601e0a26e432..91c7f60ffd42dc39640434fc6eff7c8e2199c56f 100644 (file)
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -702,6 +702,10 @@ static void svm_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
        vcpu->svm->vmcb->save.gdtr.base = dt->base ;
 }
 
+static void svm_decache_cr0_cr4_guest_bits(struct kvm_vcpu *vcpu)
+{
+}
+
 static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 {
 #ifdef CONFIG_X86_64
@@ -1645,6 +1649,7 @@ static struct kvm_arch_ops svm_arch_ops = {
        .get_segment = svm_get_segment,
        .set_segment = svm_set_segment,
        .get_cs_db_l_bits = svm_get_cs_db_l_bits,
+       .decache_cr0_cr4_guest_bits = svm_decache_cr0_cr4_guest_bits,
        .set_cr0 = svm_set_cr0,
        .set_cr0_no_modeswitch = svm_set_cr0,
        .set_cr3 = svm_set_cr3,