Linux Kernel in a Nutshell

200 Pages·2007·1.745 MB·English

by  Greg Kroah-Hartman

.
i&s v> ,-
'If
'J
*:
;(cid:127)
mi
In
5ft]
t'S m
(cid:127)> , pli
M
* 5
.r- SU [(cid:127)®
wn*i2?
1 f
LINUX
KERNEL
IN A NUTSHELL
Desktop Quick Reference
O’REILLYB
GregKroah-Uartman
http://itbookshub.com/
LINUX KERNEL
IN A NUTSHELL
http://itbookshub.com/
http://www.freepdf-books.com/
Other Linux resources from O’Reilly
Related titles Building Embedded Linux Running Linux
Systems Understanding Linux
Linux Device Drivers Network Internals
Linux in a Nutshell Understanding the Linux
Linux Pocket Guide Kernel
Linux Books linux.oreilly.com is a complete catalog of O’Reilly’s
Resource Center booksonLinuxandUnixandrelatedtechnologies,in-
cluding sample chapters and code examples.
Conferences O’Reilly brings diverse innovators together to nurture
the ideas that spark revolutionary industries. We spe-
cialize in documenting the latest tools and systems,
translatingtheinnovator’sknowledgeintousefulskills
forthoseinthetrenches.Visitconferences.oreilly.com
for our upcoming events.
Safari Bookshelf (safari.oreilly.com) is the premier on-
line reference library for programmers and IT
professionals. Conduct searches across more than
1,000 books. Subscribers can zero in on answers to
time-criticalquestionsinamatterofseconds.Readthe
books on your Bookshelf from cover to cover or sim-
ply flip to the page you need. Try it today for free.
http://itbookshub.com/
http://www.freepdf-books.com/
LINUX
KERNEL
IN A NUTSHELL
Greg Kroah-Hartman
Beijing • Cambridge • Farnham • Köln • Paris • Sebastopol • Taipei • Tokyo
http://itbookshub.com/
http://www.freepdf-books.com/
Linux Kernel in a Nutshell
by Greg Kroah-Hartman
Copyright © 2007 O’Reilly Media, Inc. All rights reserved.
Printed in the United States of America.
PublishedbyO’ReillyMedia,Inc.,1005GravensteinHighwayNorth,Sebastopol,CA95472.
O’Reillybooksmaybepurchasedforeducational,business,orsalespromotionaluse.Online
editions are also available for most titles (safari.oreilly.com). For more information, contact
our corporate/institutional sales department: [phone] [email protected].
Editor: Andy Oram Indexer: Ellen Troutman
Production Editor: Adam Witwer Cover Designer: Karen Montgomery
Copyeditor: Mary Anne Weeks Mayo Interior Designer: David Futato
Proofreader: Adam Witwer Illustrators: Robert Romano and
Jessamyn Read
Printing History:
December 2006: First Edition.
Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered
trademarks of O’Reilly Media, Inc. TheIn a Nutshell series designations,Linux Kernel in a
Nutshell,theimageofcupcoral,andrelatedtradedressaretrademarksofO’ReillyMedia,Inc.
This work is licensed under the Creative Commons Attribution-ShareAlike 2.5 License. To
viewacopyofthislicense,visithttp://creativecommons.org/licenses/by-sa/2.5/orsendaletter
toCreativeCommons,543HowardStreet,5thFloor,SanFrancisco,California,94105,USA.
Manyofthedesignationsusedbymanufacturersandsellerstodistinguishtheirproductsare
claimed as trademarks. Where those designations appear in this book, and O’Reilly Media,
Inc. was aware of a trademark claim, the designations have been printed in caps or initial
caps.
While every precaution has been taken in the preparation of this book, the publisher and
authorassumenoresponsibilityforerrorsoromissions,orfordamagesresultingfromtheuse
of the information contained herein.
This book uses RepKover™, a durable and flexible lay-flat binding.
ISBN-10: 0-596-10079-5
ISBN-13: 978-0-596-10079-7
[M]
http://itbookshub.com/
http://www.freepdf-books.com/
Chapter1
Table of Contents
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ix
PartI. Building the Kernel
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Using This Book 4
2. Requirements for Building and Using the Kernel . . . . . . . . . . . . . . . . 5
Tools to Build the Kernel 5
Tools to Use the Kernel 6
3. Retrieving the Kernel Source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
What Tree to Use 12
Where to Find the Kernel Source 13
What to Do with the Source 15
4. Configuring and Building. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Creating a Configuration 17
Modifying the Configuration 18
Building the Kernel 23
Advanced Building Options 26
5. Installing and Booting from a Kernel. . . . . . . . . . . . . . . . . . . . . . . . . . 29
Using a Distribution’s Installation Scripts 30
Installing by Hand 31
Modifying the Bootloader for the New Kernel 32
v
http://itbookshub.com/
http://www.freepdf-books.com/
6. Upgrading a Kernel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Download the New Source 36
Applying the Patch 38
Reconfigure the Kernel 40
Can’t This Be Automated? 42
PartII. Major Customizations
7. Customizing a Kernel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Using a Distribution Kernel 45
Determining the Correct Module from Scratch 52
8. Kernel Configuration Recipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Disks 63
Devices 66
CPU 71
Networking 75
Filesystems 80
Security 82
Kernel Debugging 83
PartIII. Kernel Reference
9. Kernel Boot Command-Line Parameter Reference . . . . . . . . . . . . . . 87
Module-Specific Options 87
Console Options 88
Interrupt Options 91
Memory Options 92
Suspend Options 94
CPU Options 95
Scheduler Options 97
Ramdisk Options 98
Root Disk Options 99
Init Options 101
kexec Options 101
RCU Options 102
ACPI Options 103
SCSI Options 106
PCI Options 107
vi | Table of Contents
http://itbookshub.com/
http://www.freepdf-books.com/
Plug and Play BIOS Options 109
SELinux Options 110
Network Options 111
Network File System Options 111
Hardware-Specific Options 113
Timer-Specific Options 114
Miscellaneous Options 115
10. Kernel Build Command-Line Reference. . . . . . . . . . . . . . . . . . . . . . . 117
Informational Targets 117
Cleaning Targets 118
Configuration Targets 118
Build Targets 119
Packaging Targets 120
Documentation Targets 121
Architecture-Specific Targets 121
Analysis Targets 121
11. Kernel Configuration Option Reference. . . . . . . . . . . . . . . . . . . . . . . 122
PartIV. Additional Information
A. Helpful Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Managing Your Patches with quilt 163
git 165
ketchup 166
B. Bibliography. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Table of Contents | vii
http://itbookshub.com/
http://www.freepdf-books.com/
http://itbookshub.com/
http://www.freepdf-books.com/