diff --git a/[refs] b/[refs]
index f0bf119c1747..d2d1341c7b4a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 478c6e529e7bd7c6ef8994c55bd252c287c35893
+refs/heads/master: 88ed9dd7f63c3ae71c1984d99ee2dced0b386dea
diff --git a/trunk/arch/x86/platform/uv/tlb_uv.c b/trunk/arch/x86/platform/uv/tlb_uv.c
index affea509c174..4686bf1e56ec 100644
--- a/trunk/arch/x86/platform/uv/tlb_uv.c
+++ b/trunk/arch/x86/platform/uv/tlb_uv.c
@@ -1218,6 +1218,7 @@ void uv_bau_message_interrupt(struct pt_regs *regs)
 	struct ptc_stats *stat;
 	struct msg_desc msgdesc;
 
+	ack_APIC_irq();
 	time_start = get_cycles();
 
 	bcp = &per_cpu(bau_control, smp_processor_id());
@@ -1247,8 +1248,6 @@ void uv_bau_message_interrupt(struct pt_regs *regs)
 		stat->d_nomsg++;
 	else if (count > 1)
 		stat->d_multmsg++;
-
-	ack_APIC_irq();
 }
 
 /*