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

This commit is contained in:
macallan 2018-06-08 23:40:44 +00:00
parent feb0c177bd
commit 939baef385
1 changed files with 7 additions and 4 deletions
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11
sys/arch/powerpc/oea/cpu_subr.c
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@ -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 @@ cpu_get_dfs(void)
void
cpu_set_dfs(int div)
{
uint64_t where;
u_int dfs_mask, pvr, vers;
pvr = mfpvr();
@ -1162,9 +1161,13 @@ cpu_set_dfs(int div)
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