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No need to repeat checking want_resched then call preempt() in 

T_AST case, so check it only once.
This commit is contained in:
nakayama 2011-06-23 13:39:40 +00:00
parent 6f01a46fa3
commit 493fed0c2e
1 changed files with 4 additions and 4 deletions
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8
sys/arch/sparc64/sparc64/trap.c
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@ -1,4 +1,4 @@
/* $NetBSD: trap.c,v 1.165 2011/01/14 02:06:32 rmind Exp $ */
/* $NetBSD: trap.c,v 1.166 2011/06/23 13:39:40 nakayama Exp $ */
/*
* Copyright (c) 1996-2002 Eduardo Horvath. All rights reserved.
@ -50,7 +50,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.165 2011/01/14 02:06:32 rmind Exp $");
__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.166 2011/06/23 13:39:40 nakayama Exp $");
#include "opt_ddb.h"
#include "opt_multiprocessor.h"
@ -608,13 +608,13 @@ badtrap:
#endif
case T_AST:
want_ast = 0;
if (l->l_pflag & LP_OWEUPC) {
l->l_pflag &= ~LP_OWEUPC;
ADDUPROF(l);
}
while (want_resched)
if (want_resched)
preempt();
want_ast = 0;
break;
case T_ILLINST: