[src/trunk]: src/sys/arch/arm/arm32 Report an error if compiled with MULTIPRO...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8bf77dd77930
branches:  trunk
changeset: 825139:8bf77dd77930
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sat Jul 01 09:18:31 2017 +0000

description:
Report an error if compiled with MULTIPROCESSOR support but without
__HAVE_CPU_UAREA_ALLOC_IDLELWP

diffstat:

 sys/arch/arm/arm32/arm32_kvminit.c |  10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diffs (31 lines):

diff -r 862fd799582d -r 8bf77dd77930 sys/arch/arm/arm32/arm32_kvminit.c
--- a/sys/arch/arm/arm32/arm32_kvminit.c        Sat Jul 01 09:17:44 2017 +0000
+++ b/sys/arch/arm/arm32/arm32_kvminit.c        Sat Jul 01 09:18:31 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: arm32_kvminit.c,v 1.38 2016/12/24 09:19:23 skrll Exp $ */
+/*     $NetBSD: arm32_kvminit.c,v 1.39 2017/07/01 09:18:31 skrll Exp $ */
 
 /*
  * Copyright (c) 2002, 2003, 2005  Genetec Corporation.  All rights reserved.
@@ -124,7 +124,7 @@
 #include "opt_multiprocessor.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: arm32_kvminit.c,v 1.38 2016/12/24 09:19:23 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: arm32_kvminit.c,v 1.39 2017/07/01 09:18:31 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/device.h>
@@ -142,6 +142,12 @@
 #include <arm/bootconfig.h>
 #include <arm/arm32/machdep.h>
 
+#ifdef MULTIPROCESSOR
+#ifndef __HAVE_CPU_UAREA_ALLOC_IDLELWP
+#error __HAVE_CPU_UAREA_ALLOC_IDLELWP required to not waste pages for idlestack
+#endif
+#endif
+
 struct bootmem_info bootmem_info;
 
 extern void *msgbufaddr;