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For now, disable voluntary mid-operation preempt() for SA processes;

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it doesn't interact well with SA's idea of what's running.
This commit is contained in:
nathanw 2003-06-26 02:08:19 +00:00
parent 9639eeaf54
commit 169a6757eb
1 changed files with 8 additions and 2 deletions
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10
sys/kern/kern_synch.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_synch.c,v 1.128 2003/05/20 13:48:08 simonb Exp $ */
/* $NetBSD: kern_synch.c,v 1.129 2003/06/26 02:08:19 nathanw Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
@ -78,7 +78,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_synch.c,v 1.128 2003/05/20 13:48:08 simonb Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_synch.c,v 1.129 2003/06/26 02:08:19 nathanw Exp $");
#include "opt_ddb.h"
#include "opt_ktrace.h"
@ -793,6 +793,12 @@ preempt(int more)
struct lwp *l = curlwp;
int r, s;
/* XXX Until the preempt() bug is fixed. */
if (more && (l->l_proc->p_flag & P_SA)) {
l->l_cpu->ci_schedstate.spc_flags &= ~SPCF_SWITCHCLEAR;
return;
}
SCHED_LOCK(s);
l->l_priority = l->l_usrpri;
l->l_stat = LSRUN;