From 7e6ba1f5c3706c17b1ee121113cc35f9afe622a1 Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Tue, 12 Mar 2013 16:38:54 +0100 Subject: [PATCH] iopl.2: CAP_SYS_RAWIO is required to *raise* the I/O privilege level Signed-off-by: Michael Kerrisk --- man2/iopl.2 | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/man2/iopl.2 b/man2/iopl.2 index a34ef793d..b12ec2aad 100644 --- a/man2/iopl.2 +++ b/man2/iopl.2 @@ -82,7 +82,8 @@ The calling process has insufficient privilege to call .BR iopl (); the .B CAP_SYS_RAWIO -capability is required. +capability is required to raise the I/O privilege level +above its current value. .SH CONFORMING TO .BR iopl () is Linux-specific and should not be used in programs that are