Managing and Developing Dynamically Loadable Kernel Modules

Managing Dynamically Loadable Kernel Modules

Chapter 12 503

DLKM Tools

There are a number of HP-UX commands for installing, conﬁguring, and

managing DLKM modules, collectively known as the Kernel

Conﬁguration Tool Set. They are identiﬁed and brieﬂy described in Table

12-1. For complete descriptions of these commands and their options,

refer to the appropriate manpages.

A driver writer or system administrator can use the kernel conﬁguration

tools to install, conﬁgure, load, unload, update,or remove kernel modules

from the system; and to build new kernels. You must have appropriate

privileges (be logged in as root) to perform these tasks. The tasks you

can perform using the kernel conﬁguration tools are described in “DLKM

Procedures” on page 508.

Table 12-2 Kernel Conﬁguration Tool Set

Tool/

Command

Action

conﬁg (1M) First form – performs a whole kernel conﬁguration,

generating the main kernel ﬁle and other kernel

component set ﬁles, including the associated

dynamically loadable modules; a system reboot is

necessary.

Second form, -M option – performs individual

loadable module conﬁguration for use with the

currently running kernel. The newly conﬁgured

service is available immediately, without requiring a

system reboot.

Note: As an alternative, administrators may use the

mk_kernel(1M) command, which in turn calls

config(1M), to perform either whole kernel

conﬁguration or individual module conﬁguration.