H

hacking kernels options, Debugging Support in the Kernel–Debugging Support in the Kernel

handle_IRQ_event function, The internals of interrupt handling on the x86

hangs (system), System Hangs–System Hangs

hardware, ioctl–Device Control Without ioctl, I/O Ports and I/O Memory–isa_readb and Friends, Quick Reference, Hardware Abstractions, Hardware Resources, Direct Memory Access, Dealing with difficult hardware, Supporting Removable Media, Hardware Information, Interface Information, The Device Methods, The Device Methods, Opening and Closing, Functions Acting on Socket Buffers, Overriding ARP, Non-Ethernet Headers

addresses, Interface Information, The Device Methods, Opening and Closing

assignment of, Opening and Closing

modification of, The Device Methods

DMA, Direct Memory Access, Dealing with difficult hardware

headers, The Device Methods, Functions Acting on Socket Buffers, Overriding ARP, Non-Ethernet Headers

adding before transmitting packets, Functions Acting on Socket Buffers

building, The Device Methods

encapsulating information, Non-Ethernet Headers

ioctl method, ioctl–Device Control Without ioctl

ISA, Hardware Resources

management, I/O Ports and I/O Memory–isa_readb and Friends, Quick Reference

net_device structure, Hardware Information

PCI (abstractions), Hardware Abstractions

removable media (supporting), Supporting Removable Media

hard_header method, The Device Methods, Using ARP with Ethernet

hard_start_transmit method, Packet Transmission

hard_start_xmit method, The Device Methods, Packet Transmission

headers, Kernel Modules Versus Applications, The Kernel Symbol Table, Overriding ARP, Non-Ethernet Headers, Non-Ethernet Headers

files, Kernel Modules Versus Applications, The Kernel Symbol Table

hardware, Overriding ARP

non-Ethernet, Non-Ethernet Headers, Non-Ethernet Headers

header_cache method, The Device Methods

header_cache_update method, The Device Methods

hello world module, The Hello World Module–The Hello World Module

hierarchies, Creating your /proc file, Creating your /proc file, Kobject Hierarchies, Ksets, and Subsystems, Operations on ksets

(see also filesystems)

kobjects, Kobject Hierarchies, Ksets, and Subsystems

ksets, Operations on ksets

/proc file connections, Creating your /proc file

high memory, Memory zones, High and Low Memory, High and Low Memory

HIPPI drivers, preparing fields for, Interface Information

hippi_setup function, Interface Information

hostnames (snull interfaces), Assigning IP Numbers

hotplugs, The Linux Device Model, Hotplug Event Generation, Hotplug–udev, Linux hotplug scripts

devices, The Linux Device Model

events, Hotplug Event Generation

Linux device model, Hotplug–udev

scripts, Linux hotplug scripts

hubs (USB), USB and Sysfs

hung system, System Hangs

hyperthreaded processors, avoiding deadlocks, Spinlocks

HZ (time frequency) symbol, Measuring Time Lapses, Time Intervals