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Don't swap kernel stacks of realtime threads.

This commit is contained in:
ad 2008-06-25 19:20:56 +00:00
parent eecefde4f0
commit 321c12209b
1 changed files with 4 additions and 2 deletions
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6
sys/uvm/uvm_glue.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_glue.c,v 1.132 2008/06/16 10:19:57 ad Exp $ */
/* $NetBSD: uvm_glue.c,v 1.133 2008/06/25 19:20:56 ad Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_glue.c,v 1.132 2008/06/16 10:19:57 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvm_glue.c,v 1.133 2008/06/25 19:20:56 ad Exp $");
#include "opt_coredump.h"
#include "opt_kgdb.h"
@ -608,6 +608,8 @@ swappable(struct lwp *l)
return false;
if (l->l_holdcnt != 0)
return false;
if (l->l_class != SCHED_OTHER)
return false;
if (l->l_syncobj == &rw_syncobj || l->l_syncobj == &mutex_syncobj)
return false;
if (l->l_proc->p_stat != SACTIVE && l->l_proc->p_stat != SSTOP)