-.\" Hey Emacs! This file is -*- nroff -*- source.
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.\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu)
.\" Copyright 1997 Andries E. Brouwer (aeb@cwi.nl)
.\"
+.\" %%%LICENSE_START(VERBATIM)
.\" Permission is granted to make and distribute verbatim copies of this
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.\" preserved on all copies.
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.TH VM86 2 2009-02-20 "Linux" "Linux Programmer's Manual"
.SH NAME
and a new
.BR vm86 ()
was introduced.
-The definition of \fIstruct vm86_struct\fP was changed
+The definition of
+.IR "struct vm86_struct"
+was changed
in 1.1.8 and 1.1.9.
.LP
These calls cause the process to enter VM86 mode (virtual-8086 in Intel
.BR dosemu .
.PP
VM86 mode is an emulation of real mode within a protected mode task.
-.SH "RETURN VALUE"
+.SH RETURN VALUE
On success, zero is returned.
On error, \-1 is returned, and
.I errno
.TP
.B EFAULT
This return value is specific to i386 and indicates a problem with getting
-userspace data.
+user-space data.
.TP
.B ENOSYS
This return value indicates the call is not implemented on the present
.B EPERM
Saved kernel stack exists.
(This is a kernel sanity check; the saved
-stack should only exist within vm86 mode itself.)
-.SH "CONFORMING TO"
+stack should exist only within vm86 mode itself.)
+.SH CONFORMING TO
This call is specific to Linux on 32-bit Intel processors,
and should not be used in programs intended to be portable.
+.SH COLOPHON
+This page is part of release 3.65 of the Linux
+.I man-pages
+project.
+A description of the project,
+and information about reporting bugs,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.