| X86_CR4_OSXMMEXCPT | X86_CR4_VMXE))
#define CR8_RESERVED_BITS (~(unsigned long)X86_CR8_TPR)
-#define EFER_RESERVED_BITS 0xfffffffffffff2fe
+static u64 __read_mostly efer_reserved_bits = 0xfffffffffffff2fe;
#define VM_STAT(x) offsetof(struct kvm, stat.x), KVM_STAT_VM
#define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU
static void set_efer(struct kvm_vcpu *vcpu, u64 efer)
{
- if (efer & EFER_RESERVED_BITS) {
+ if (efer & efer_reserved_bits) {
printk(KERN_DEBUG "set_efer: 0x%llx #GP, reserved bits\n",
efer);
kvm_inject_gp(vcpu, 0);
#endif
+void kvm_enable_efer_bits(u64 mask)
+{
+ efer_reserved_bits &= ~mask;
+}
+EXPORT_SYMBOL_GPL(kvm_enable_efer_bits);
+
+
/*
* Writes msr value into into the appropriate "register".
* Returns 0 on success, non-0 otherwise.
unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr);
void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long value,
unsigned long *rflags);
+void kvm_enable_efer_bits(u64);
int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data);
int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);