From fd15ae834595e5743159a54052ec07ded6af5b42 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Tue, 12 Mar 2013 16:36:33 +0100 Subject: [PATCH] iopl.2: Clarify that the two least significant bits of 'level' are what matter Signed-off-by: Michael Kerrisk --- man2/iopl.2 | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/man2/iopl.2 b/man2/iopl.2 index c4550333b..a34ef793d 100644 --- a/man2/iopl.2 +++ b/man2/iopl.2 @@ -30,7 +30,7 @@ .\" Modified, 27 May 2004, Michael Kerrisk .\" Added notes on capability requirements .\" -.TH IOPL 2 2004-05-27 "Linux" "Linux Programmer's Manual" +.TH IOPL 2 2013-03-15 "Linux" "Linux Programmer's Manual" .SH NAME iopl \- change I/O privilege level .SH SYNOPSIS @@ -39,7 +39,8 @@ iopl \- change I/O privilege level .BI "int iopl(int " level ); .SH DESCRIPTION .BR iopl () -changes the I/O privilege level of the calling process, as specified in +changes the I/O privilege level of the calling process, +as specified by the two least significant bits in .IR level . This call is necessary to allow 8514-compatible X servers to run under