KVM: x86: Fix some comment typos

Fix some typos in comment.
Signed-off-by: NMiaohe Lin <linmiaohe@huawei.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/mmu/mmu.c

@@ -1529,7 +1529,7 @@ struct rmap_iterator {
 /*
  * Iteration must be started by this function.  This should also be used after
  * removing/dropping sptes from the rmap link because in such cases the
- * information in the itererator may not be valid.
+ * information in the iterator may not be valid.
  *
  * Returns sptep if found, NULL otherwise.
  */

arch/x86/kvm/x86.c

@@ -9792,7 +9792,7 @@ static void kvm_mmu_slot_apply_flags(struct kvm *kvm,
 	 *
 	 * The reason is, in case of PML, we need to set D-bit for any slots
 	 * with dirty logging disabled in order to eliminate unnecessary GPA
-	 * logging in PML buffer (and potential PML buffer full VMEXT). This
+	 * logging in PML buffer (and potential PML buffer full VMEXIT). This
 	 * guarantees leaving PML enabled during guest's lifetime won't have
 	 * any additional overhead from PML when guest is running with dirty
 	 * logging disabled for memory slots.