kvm: x86: fix two typos in comment

s/drity/dirty and s/vmsc01/vmcs01
Signed-off-by: NTiejun Chen <tiejun.chen@intel.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/mmu.c

@@ -1174,7 +1174,7 @@ static void drop_large_spte(struct kvm_vcpu *vcpu, u64 *sptep)
  * Write-protect on the specified @sptep, @pt_protect indicates whether
  * spte write-protection is caused by protecting shadow page table.
  *
- * Note: write protection is difference between drity logging and spte
+ * Note: write protection is difference between dirty logging and spte
  * protection:
  * - for dirty logging, the spte can be set to writable at anytime if
  *   its dirty bitmap is properly set.

arch/x86/kvm/vmx.c

@@ -8005,7 +8005,7 @@ static void vmx_start_preemption_timer(struct kvm_vcpu *vcpu)
 /*
  * prepare_vmcs02 is called when the L1 guest hypervisor runs its nested
  * L2 guest. L1 has a vmcs for L2 (vmcs12), and this function "merges" it
- * with L0's requirements for its guest (a.k.a. vmsc01), so we can run the L2
+ * with L0's requirements for its guest (a.k.a. vmcs01), so we can run the L2
  * guest in a way that will both be appropriate to L1's requests, and our
  * needs. In addition to modifying the active vmcs (which is vmcs02), this
  * function also has additional necessary side-effects, like setting various