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Diffstat (limited to 'drivers/kvm/vmx.c')
-rw-r--r--drivers/kvm/vmx.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index c55635d..aaa98e3 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -737,6 +737,15 @@ static void exit_lmode(struct kvm_vcpu *vcpu)
#endif
+static void vmx_decache_cr0_cr4_guest_bits(struct kvm_vcpu *vcpu)
+{
+ vcpu->cr0 &= KVM_GUEST_CR0_MASK;
+ vcpu->cr0 |= vmcs_readl(GUEST_CR0) & ~KVM_GUEST_CR0_MASK;
+
+ vcpu->cr4 &= KVM_GUEST_CR4_MASK;
+ vcpu->cr4 |= vmcs_readl(GUEST_CR4) & ~KVM_GUEST_CR4_MASK;
+}
+
static void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
{
if (vcpu->rmode.active && (cr0 & CR0_PE_MASK))
@@ -2002,6 +2011,7 @@ static struct kvm_arch_ops vmx_arch_ops = {
.get_segment = vmx_get_segment,
.set_segment = vmx_set_segment,
.get_cs_db_l_bits = vmx_get_cs_db_l_bits,
+ .decache_cr0_cr4_guest_bits = vmx_decache_cr0_cr4_guest_bits,
.set_cr0 = vmx_set_cr0,
.set_cr0_no_modeswitch = vmx_set_cr0_no_modeswitch,
.set_cr3 = vmx_set_cr3,
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