From cdb6aa7e47cd9509bd2e34c25e333c3858fc5af8 Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Fri, 31 Aug 2018 18:26:37 +0000
Subject: [PATCH] Fix build of x86 UP kernels after dynamic IRQ changes in
 r338360.

Reported by:	Ian FREISLICH <ian.freislich@capeaugusta.com>
Approved by:	re (gjb)
MFC after:	2 weeks
---
 sys/x86/x86/intr_machdep.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/x86/x86/intr_machdep.c b/sys/x86/x86/intr_machdep.c
index a879d616d17a..9f93ec96f837 100644
--- a/sys/x86/x86/intr_machdep.c
+++ b/sys/x86/x86/intr_machdep.c
@@ -173,8 +173,10 @@ intr_init_sources(void *arg)
 
 	interrupt_sources = mallocarray(num_io_irqs, sizeof(*interrupt_sources),
 	    M_INTR, M_WAITOK | M_ZERO);
+#ifdef SMP
 	interrupt_sorted = mallocarray(num_io_irqs, sizeof(*interrupt_sorted),
 	    M_INTR, M_WAITOK | M_ZERO);
+#endif
 
 	/*
 	 * - 1 ??? dummy counter.