Linux Kernel in a Nutshell by Kroah-Hartman, Greg -- Read -- Imperial Library of Trantor

Index

Linux Kernel in a Nutshell

SPECIAL OFFER: Upgrade this ebook with O’Reilly A Note Regarding Supplemental Files Preface

Audience for the book Organization of the material Online Version and License Conventions Used in This Book Contact Information Acknowledgments

1. Introduction

Using this book

2. Requirements for building and using the kernel

Tools to build the kernel

Compiler Linker Make

Tools to use the kernel

util-linux module-init-tools Filesystem-specific tools

ext2/ext3/ext4 JFS ReiserFS XFS Quotas NFS

Other tools

udev Process tools PCMCIA tools

3. Retrieving the kernel source

What tree to use Where to find the kernel source What to do with the source

4. Configuring and Building

Creating a configuration

Configuring from scratch Default configuration options

Modifying the configuration

Console configuration method Graphical configuration methods

Building the kernel Advanced building options

Building faster on multiprocessor machines Building only a portion of the kernel Source in one place, output in another Different architectures

5. Installing and Booting From a Kernel

Using a Distribution's Installation Scripts Installing By Hand Modifying the Bootloader For the New Kernel

GRUB LILO

6. Upgrading a kernel

Download the new source

Which patch applies to which release? Finding the patch

Applying the patch Reconfigure the kernel Can't this be automated?

7. Customizing a Kernel

Using a Distribution Kernel

Where Is the Kernel Configuration? Finding Which Module Is Needed

Example: determining the network driver Example: a USB device Summary of device discovery Let the kernel tell us what we need

Determining the Correct Module From Scratch

PCI devices USB devices Root Filesystem

Filesystem type Disk controller

Helper Script

8. Kernel Configuration Recipes

Disks

USB storage IDE Disks Serial ATA (SATA) Burning a CD-ROM

IDE CD-ROM drives SCSI and SATA CD-ROM drives

Devices

USB IEEE 1394 (FireWire) PCI hotplug PCMCIA / CardBus Sound (ALSA)

CPU

Processor Types SMP Preemption Suspend CPU Frequency Scaling Different Memory Models ACPI

Networking

Netfilter Network Drivers IrDA Bluetooth Wireless

Filesystems

RAID Logical Volume Manager and Device Mapper Filesharing with Windows OCFS2

Security

Default Linux Capabilities SELinux

Kernel debugging

Kernel log timestamps Magic SysRq keys Debug Filesystem General Kernel Debugging

9. Kernel boot command-line parameter reference

Module-specific options Console options

console netconsole debug quiet earlyprintk loglevel log_buf_len initcall_debug kstack time

Interrupt options

apic noapic lapic nolapic noirqbalance irqfixup irqpoll noirqdebug

Memory options

highmem hugepages ihash_entries max_addr mem mem memmap memmap noexec reserve vmalloc norandmaps vdso

Suspend options

resume noresume

CPU options

cachesize lpj nmi_watchdog no387 nofxsr no-hlt mce nomce nosep nosmp notsc max_cpus

Scheduler options

isolcpus migration_cost migration_debug migration_factor

Ramdisk options

initrd load_ramdisk noinitrd prompt_ramdisk ramdisk_blocksize ramdisk_size

Root disk options

ro root rootdelay rootflags rootfstype rw

Init options

init rdinit S

kexec options

crashkernel elfcorehdr

RCU options

rcu.blimit rcu.qhimark rcu.qlowmark rcu.rsinterval

ACPI options

acpi acpi_sleep acpi_sci acpi_irq_balance acpi_irq_nobalance acpi_irq_isa acpi_irq_pci acpi_os_name acpi_osi acpi_serialize acpi_skip_timer_override acpi_dbg_layer acpi_fake_ecdt acpi_generic_hotkey acpi_pm_good ec_intr memmap memmap pnpacpi processor.max_cstate processor.nocst

SCSI options

max_luns max_report_luns scsi_dev_flags

PCI options

PnP BIOS options

noisapnp pnpbios pnp_reserve_irq pnp_reserve_dma pnp_reserve_io pnp_reserve_mem

SELinux options

checkreqprot enforcing selinux selinux_compat_net

Network options

netdev rhash_entries shapers thash_entries

NFS options

lockd.nlm_grace_period lockd.nlm_tcpport lockd.nlm_timeout lockd.nlm_udpport nfsroot nfs.callback_tcpport nfs.idmap_cache_timeout

Hardware specific options

nousb lp parport parport_init_mode nr_uarts

Timer specific options

enable_timer_pin_1 disable_timer_pin_1 enable_8254_timer disable_8254_timer hpet clocksource

Miscellaneous options

dhash_entries elevator hashdist combined_mode max_loop panic pause_on_oops profile

10. Kernel build command line reference

Informational Targets Cleaning Targets Configuration Targets Build Targets Packaging Targets Documentation Targets Architecture-Specific Targets Analysis Targets

11. Kernel Configuration Option Reference

EXPERIMENTAL LOCALVERSION AUDIT IKCONFIG EMBEDDED MODULES IOSCHED_NOOP IOSCHED_AS IOSCHED_DEADLINE IOSCHED_CFQ SMP M386 X86_GENERIC NR_CPUS SCHED_SMT PREEMPT_NONE PREEMPT_VOLUNTARY PREEMPT PREEMPT_BKL NOHIGHMEM HIGHMEM4G HIGHMEM64G FLATMEM_MANUAL DISCONTIGMEM_MANUAL SPARSEMEM_MANUAL SECCOMP KEXEC HOTPLUG_CPU PM SOFTWARE_SUSPEND ACPI CPU_FREQ CPU_FREQ_DEFAULT_GOV_PERFORMANCE CPU_FREQ_DEFAULT_GOV_USERSPACE CPU_FREQ_GOV_PERFORMANCE CPU_FREQ_GOV_POWERSAVE CPU_FREQ_GOV_USERSPACE CPU_FREQ_GOV_ONDEMAND CPU_FREQ_GOV_CONSERVATIVE PCI PCCARD PCMCIA CARDBUS HOTPLUG_PCI NET UNIX INET IP_ADVANCED_ROUTER NETFILTER NET_SCHED IRDA IRLAN IRNET IRCOMM IRDA_ULTRA BT IEEE80211 MTD PARPORT PNP ISAPNP PNPBIOS IDE BLK_DEV_IDE BLK_DEV_IDEDISK BLK_DEV_IDECD BLK_DEV_IDEFLOPPY SCSI BLK_DEV_SD CHR_DEV_ST BLK_DEV_SR CHR_DEV_SG CHR_DEV_SCH SCSI_MULTI_LUN SCSI_SATA MD BLK_DEV_MD BLK_DEV_DM IEEE1394 I2O NETDEVICES NET_ETHERNET NET_RADIO PPP PPPOE ISDN PHONE INPUT VT VT_CONSOLE SERIAL_8250 AGP DRM I2C SPI HWMON VIDEO_DEV DVB FB VGA_CONSOLE LOGO SOUND SND SND_USB_AUDIO USB USB_EHCI_HCD USB_OHCI_HCD USB_UHCI_HCD USB_STORAGE USB_SERIAL USB_GADGET MMC INFINIBAND EDAC EXT2_FS EXT3_FS REISERFS_FS JFS_FS XFS_FS OCFS2_FS INOTIFY QUOTA AUTOFS_FS FUSE_FS SMB_FS CIFS PROFILING OPROFILE KPROBES PRINTK_TIME MAGIC_SYSRQ DEBUG_KERNEL DEBUG_FS SECURITY SECURITY_SELINUX

A. Helpful Utilities

patch and diff

New Kernel Versions

Managing Your Patches With quilt git ketchup

12. Bibliography

Books

General Linux Books Linux Kernel Books

Tool locations

Index About the Author SPECIAL OFFER: Upgrade this ebook with O’Reilly

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