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curlwp appears to be set by all active copies of cpu_switchto - remove 

the MI assignments and assert that it's set in mi_switch().
This commit is contained in:
ad 2007-09-25 21:38:56 +00:00
parent 26aaa9cb2b
commit e36f46b00e
2 changed files with 5 additions and 6 deletions
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5
sys/kern/kern_lwp.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_lwp.c,v 1.70 2007/09/06 23:58:56 ad Exp $ */
/* $NetBSD: kern_lwp.c,v 1.71 2007/09/25 21:38:56 ad Exp $ */
/*-
* Copyright (c) 2001, 2006, 2007 The NetBSD Foundation, Inc.
@ -205,7 +205,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.70 2007/09/06 23:58:56 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_lwp.c,v 1.71 2007/09/25 21:38:56 ad Exp $");
#include "opt_multiprocessor.h"
#include "opt_lockdebug.h"
@ -656,7 +656,6 @@ void
lwp_startup(struct lwp *prev, struct lwp *new)
{
curlwp = new;
if (prev != NULL) {
lwp_unlock(prev);
}

6
sys/kern/kern_synch.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_synch.c,v 1.194 2007/08/06 11:48:23 yamt Exp $ */
/* $NetBSD: kern_synch.c,v 1.195 2007/09/25 21:38:57 ad Exp $ */
/*-
* Copyright (c) 1999, 2000, 2004, 2006, 2007 The NetBSD Foundation, Inc.
@ -75,7 +75,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_synch.c,v 1.194 2007/08/06 11:48:23 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_synch.c,v 1.195 2007/09/25 21:38:57 ad Exp $");
#include "opt_kstack.h"
#include "opt_lockdebug.h"
@ -468,7 +468,6 @@ mi_switch(struct lwp *l)
* .. we have switched away and are now back so we must
* be the new curlwp. prevlwp is who we replaced.
*/
curlwp = l;
if (prevlwp != NULL) {
curcpu()->ci_mtx_oldspl = oldspl;
lwp_unlock(prevlwp);
@ -504,6 +503,7 @@ mi_switch(struct lwp *l)
* schedstate_percpu pointer.
*/
SYSCALL_TIME_WAKEUP(l);
KASSERT(curlwp == l);
KDASSERT(l->l_cpu == curcpu());
LOCKDEBUG_BARRIER(NULL, 1);