KVM: PPC: Book3S HV: Comment style and print format fixups

Fix comment block to match kernel comment style.

Fix print format from signed to unsigned.

Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 0b0ca27..be8f83c 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2609,7 +2609,8 @@ static void shrink_halt_poll_ns(struct kvmppc_vcore *vc)
 		vc->halt_poll_ns /= halt_poll_ns_shrink;
 }
 
-/* Check to see if any of the runnable vcpus on the vcore have pending
+/*
+ * Check to see if any of the runnable vcpus on the vcore have pending
  * exceptions or are no longer ceded
  */
 static int kvmppc_vcore_check_block(struct kvmppc_vcore *vc)
diff --git a/arch/powerpc/kvm/trace_hv.h b/arch/powerpc/kvm/trace_hv.h
index fb21990..ebc6dd4 100644
--- a/arch/powerpc/kvm/trace_hv.h
+++ b/arch/powerpc/kvm/trace_hv.h
@@ -449,7 +449,7 @@ TRACE_EVENT(kvmppc_vcore_wakeup,
 		__entry->tgid   = current->tgid;
 	),
 
-	TP_printk("%s time %lld ns, tgid=%d",
+	TP_printk("%s time %llu ns, tgid=%d",
 		__entry->waited ? "wait" : "poll",
 		__entry->ns, __entry->tgid)
 );