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#error if __HAVE_PREEMPTION && !MULTIPROCESSOR.

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This commit is contained in:
ad 2008-05-01 00:20:12 +00:00
parent a7fbd437d1
commit ca230e9919
1 changed files with 9 additions and 2 deletions
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11
sys/kern/kern_stub.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_stub.c,v 1.8 2008/04/28 21:17:16 ad Exp $ */
/* $NetBSD: kern_stub.c,v 1.9 2008/05/01 00:20:12 ad Exp $ */
/*-
* Copyright (c) 2007, 2008 The NetBSD Foundation, Inc.
@ -62,7 +62,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_stub.c,v 1.8 2008/04/28 21:17:16 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_stub.c,v 1.9 2008/05/01 00:20:12 ad Exp $");
#include "opt_ptrace.h"
#include "opt_ktrace.h"
@ -127,6 +127,9 @@ __strong_alias(sys_sa_yield,sys_nosys);
__strong_alias(sys_sa_preempt,sys_nosys);
__strong_alias(sys_sa_unblockyield,sys_nosys);
/*
* Stubs for architectures that do not support kernel preemption.
*/
#ifndef __HAVE_PREEMPTION
bool
cpu_kpreempt_enter(uintptr_t where, int s)
@ -147,6 +150,10 @@ cpu_kpreempt_disabled(void)
return true;
}
#else
# ifndef MULTIPROCESSOR
# error __HAVE_PREEMPTION requires MULTIPROCESSOR
# endif
#endif /* !__HAVE_PREEMPTION */
/* ARGSUSED */