[src/trunk]: src/sys/arch/powerpc/powerpc When UPAGES > 1, both __HAVE_CPU_UA...

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

details:   https://anonhg.NetBSD.org/src/rev/53549d89fdab
branches:  trunk
changeset: 745023:53549d89fdab
user:      rin <rin%NetBSD.org@localhost>
date:      Fri Feb 21 13:38:05 2020 +0000

description:
When UPAGES > 1, both __HAVE_CPU_UAREA_ROUTINES and PMAP_MAP_POOLPAGE
must be defined in order to allocate physically contiguous memory for
u-area.

diffstat:

 sys/arch/powerpc/powerpc/vm_machdep.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (30 lines):

diff -r 8c97ff6085db -r 53549d89fdab sys/arch/powerpc/powerpc/vm_machdep.c
--- a/sys/arch/powerpc/powerpc/vm_machdep.c     Fri Feb 21 13:33:07 2020 +0000
+++ b/sys/arch/powerpc/powerpc/vm_machdep.c     Fri Feb 21 13:38:05 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vm_machdep.c,v 1.100 2015/07/06 05:25:29 matt Exp $    */
+/*     $NetBSD: vm_machdep.c,v 1.101 2020/02/21 13:38:05 rin Exp $     */
 
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: vm_machdep.c,v 1.100 2015/07/06 05:25:29 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: vm_machdep.c,v 1.101 2020/02/21 13:38:05 rin Exp $");
 
 #include "opt_altivec.h"
 #include "opt_multiprocessor.h"
@@ -310,6 +310,11 @@
        bp->b_saveaddr = 0;
 }
 
+#if UPAGES > 1 && \
+    (!defined(__HAVE_CPU_UAREA_ROUTINES) || !defined(PMAP_MAP_POOLPAGE))
+#error "We need physically contiguous pages for u-area."
+#endif
+
 #ifdef __HAVE_CPU_UAREA_ROUTINES
 void *
 cpu_uarea_alloc(bool system)