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set MDP_IRET in cpu_setmcontext() - the normal (fast)

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syscall exit is not able to propagate all register
arguments
This commit is contained in:
drochner 2004-03-01 12:06:02 +00:00
parent de3dc2ccec
commit 7925327e58
1 changed files with 4 additions and 2 deletions
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6
sys/arch/amd64/amd64/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.20 2004/02/13 11:36:20 wiz Exp $ */
/* $NetBSD: machdep.c,v 1.21 2004/03/01 12:06:02 drochner Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998, 2000 The NetBSD Foundation, Inc.
@ -72,7 +72,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.20 2004/02/13 11:36:20 wiz Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.21 2004/03/01 12:06:02 drochner Exp $");
#include "opt_user_ldt.h"
#include "opt_ddb.h"
@ -1664,6 +1664,8 @@ cpu_setmcontext(struct lwp *l, const mcontext_t *mcp, unsigned int flags)
tf->tf_rflags = rflags | (gr[_REG_RFL] & PSL_USER);
tf->tf_err = err;
tf->tf_trapno = trapno;
l->l_md.md_flags |= MDP_IRET;
}
if ((flags & _UC_FPU) != 0) {