257 lines
3.8 KiB
HTML
257 lines
3.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>LKM Utilities</TITLE
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NAME="GENERATOR"
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TITLE="Linux Loadable Kernel Module HOWTO"
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TITLE="Making Loadable Kernel Modules"
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HREF="x126.html"><LINK
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REL="NEXT"
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TITLE="How To Insert And Remove LKMs"
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>Linux Loadable Kernel Module HOWTO</TH
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><H1
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CLASS="SECT1"
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><A
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NAME="AEN146"
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></A
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>4. LKM Utilities</H1
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><P
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>The programs you need to load and unload and otherwise work with LKMs
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are in the package <SPAN
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CLASS="APPLICATION"
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>modutils</SPAN
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>. You can find
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this package in
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<A
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HREF="http://www.kernel.org/pub/linux/utils/kernel/modutils"
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TARGET="_top"
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>this directory</A
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>.</P
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><P
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>This package contains the following programs to help you use LKMs:
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<P
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></P
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><DIV
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CLASS="VARIABLELIST"
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><DL
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><DT
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>insmod</DT
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><DD
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><P
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>Insert an LKM into the kernel.</P
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></DD
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><DT
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>rmmod</DT
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><DD
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><P
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>Remove an LKM from the kernel.</P
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></DD
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><DT
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>depmod</DT
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><DD
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><P
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>Determine interdependencies between LKMs.</P
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></DD
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><DT
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>kerneld</DT
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><DD
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><P
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>Kerneld daemon program</P
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></DD
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><DT
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>ksyms</DT
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><DD
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><P
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>Display symbols that are exported by the kernel for
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use by new LKMs.</P
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></DD
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><DT
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>lsmod</DT
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><DD
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><P
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>List currently loaded LKMs.</P
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></DD
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><DT
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>modinfo</DT
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><DD
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><P
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>Display contents of <TT
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CLASS="LITERAL"
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>.modinfo</TT
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> section in an
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LKM object file.</P
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></DD
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><DT
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>modprobe</DT
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><DD
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><P
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> Insert or remove an LKM or set
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of LKMs intelligently. For example, if you must load A before
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loading B, Modprobe will automatically load A when you tell it
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to load B.
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</P
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></DD
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></DL
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></DIV
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></P
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><P
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>Changes to the kernel often require changes to
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<SPAN
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CLASS="APPLICATION"
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>modutils</SPAN
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>, so be sure you're using a current
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version of <SPAN
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CLASS="APPLICATION"
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>modutils</SPAN
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> whenever you upgrade
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your kernel. <SPAN
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CLASS="APPLICATION"
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>modutils</SPAN
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> is always backward
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compatible (it works with older kernels), so there's no such thing as
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having too new a <SPAN
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CLASS="APPLICATION"
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>modutils</SPAN
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>.</P
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><P
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>Warning: <B
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CLASS="COMMAND"
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>modprobe</B
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> invokes <B
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CLASS="COMMAND"
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>insmod</B
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>
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and has its location hardcoded as <TT
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CLASS="FILENAME"
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>/sbin/insmod</TT
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>.
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There may be other instances in <SPAN
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CLASS="APPLICATION"
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>modutils</SPAN
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> of
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the PATH not being used to find programs. So either modify the source
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code of <SPAN
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CLASS="APPLICATION"
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>modutils</SPAN
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> before you build it, or
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make sure you install the programs in their conventional directories.</P
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></DIV
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WIDTH="33%"
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VALIGN="top"
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>Making Loadable Kernel Modules</TD
|
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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> </TD
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><TD
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VALIGN="top"
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>How To Insert And Remove LKMs</TD
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> |