[src/trunk]: src/sys/arch/powerpc/oea when switching CPU speed using DFS, onl...

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

details:   https://anonhg.NetBSD.org/src/rev/958bd217a0a0
branches:  trunk
changeset: 319736:958bd217a0a0
user:      macallan <macallan%NetBSD.org@localhost>
date:      Fri Jun 08 23:40:44 2018 +0000

description:
when switching CPU speed using DFS, only use xcalls on MULTIPROCESSOR kernels

diffstat:

 sys/arch/powerpc/oea/cpu_subr.c |  11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diffs (41 lines):

diff -r 76529f8006bd -r 958bd217a0a0 sys/arch/powerpc/oea/cpu_subr.c
--- a/sys/arch/powerpc/oea/cpu_subr.c   Fri Jun 08 23:39:31 2018 +0000
+++ b/sys/arch/powerpc/oea/cpu_subr.c   Fri Jun 08 23:40:44 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpu_subr.c,v 1.95 2018/06/01 18:06:58 macallan Exp $   */
+/*     $NetBSD: cpu_subr.c,v 1.96 2018/06/08 23:40:44 macallan Exp $   */
 
 /*-
  * Copyright (c) 2001 Matt Thomas.
@@ -34,7 +34,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v 1.95 2018/06/01 18:06:58 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v 1.96 2018/06/08 23:40:44 macallan Exp $");
 
 #include "opt_ppcparam.h"
 #include "opt_ppccache.h"
@@ -1144,7 +1144,6 @@
 void
 cpu_set_dfs(int div)
 {
-       uint64_t where;
        u_int dfs_mask, pvr, vers;
 
        pvr = mfpvr();
@@ -1162,9 +1161,13 @@
                return;
 
        }
-
+#ifdef MULTIPROCESSOR
+       uint64_t where;
        where = xc_broadcast(0, (xcfunc_t)cpu_set_dfs_xcall, &div, &dfs_mask);
        xc_wait(where);
+#else
+       cpu_set_dfs_xcall(&div, &dfs_mask);
+#endif
 }
 
 static void