docs/58546: [patch] document how system security levels impact klds

[Christian S.J.Peron]

>Number:         58546
>Category:       docs
>Synopsis:       [patch] document how system security levels impact klds
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-doc
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Sat Oct 25 18:50:20 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator:     Christian S.J. Peron
>Release:        FreeBSD 4.8-RELEASE-p13 i386
>Organization:
>Environment:
System: FreeBSD movl 4.8-RELEASE-p13 FreeBSD 4.8-RELEASE-p13 #1: Sat Oct 25 16:45:55 UTC 2003 cperon at movl:/usr/src/sys/compile/STAFF i386


	
>Description:

The kld(4) manual page does not document how system
security levels can impact the loading and unloadng of
kernel modules.


	
>How-To-Repeat:
N/A
>Fix:

--- share/man/man4/kld.4.old	Sat Oct 25 19:38:06 2003
+++ share/man/man4/kld.4	Sat Oct 25 19:57:57 2003
@@ -88,6 +88,10 @@
 .Xr kldstat 8
 program is used to check the status of the modules currently loaded into the
 system.
+.Pp
+Kernel modules may only be loaded or unloaded if the system security level
+.Dq kern.securelevel
+is less than one. 
 .Sh "MODULE TYPES"
 .Bl -ohang
 .It Em "Device Driver modules"
@@ -125,7 +129,8 @@
 .Xr devd 8 ,
 .Xr kldload 8 ,
 .Xr kldstat 8 ,
-.Xr kldunload 8
+.Xr kldunload 8 ,
+.Xr sysctl 8
 .Sh BUGS
 If a module B, is dependent on another module A, but is not compiled with
 module A as a dependency, then
>Release-Note:
>Audit-Trail:
>Unformatted: