KVM: Fix some grammar mistakes

Fix some grammar mistakes in the comments.
Signed-off-by: NMiaohe Lin <linmiaohe@huawei.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/ioapic.c

@@ -189,7 +189,7 @@ static int ioapic_set_irq(struct kvm_ioapic *ioapic, unsigned int irq,
 	/*
 	 * Return 0 for coalesced interrupts; for edge-triggered interrupts,
 	 * this only happens if a previous edge has not been delivered due
-	 * do masking.  For level interrupts, the remote_irr field tells
+	 * to masking.  For level interrupts, the remote_irr field tells
 	 * us if the interrupt is waiting for an EOI.
 	 *
 	 * RTC is special: it is edge-triggered, but userspace likes to know

arch/x86/kvm/lapic.c

@@ -964,7 +964,7 @@ bool kvm_irq_delivery_to_apic_fast(struct kvm *kvm, struct kvm_lapic *src,
 }
 
 /*
- * This routine tries to handler interrupts in posted mode, here is how
+ * This routine tries to handle interrupts in posted mode, here is how
  * it deals with different cases:
  * - For single-destination interrupts, handle it in posted mode
  * - Else if vector hashing is enabled and it is a lowest-priority

virt/kvm/kvm_main.c

@@ -964,7 +964,7 @@ static struct kvm_memslots *install_new_memslots(struct kvm *kvm,
 
 	/*
 	 * Increment the new memslot generation a second time, dropping the
-	 * update in-progress flag and incrementing then generation based on
+	 * update in-progress flag and incrementing the generation based on
 	 * the number of address spaces.  This provides a unique and easily
 	 * identifiable generation number while the memslots are in flux.
 	 */