E

EBUSY error, Blocking open as an Alternative to EBUSY

EISA (Extended ISA), EISA

elevators (I/O), Request Queues

elv_next_request function, A Simple request Method, Queueing functions, Command Pre-Preparation

embedding, Embedding kobjects, Device structure embedding, Driver structure embedding

device structures, Device structure embedding

driver structures, Driver structure embedding

kobjects, Embedding kobjects

enable_dma function, Talking to the DMA controller

enable_irq function, Installing a Shared Handler

enabling, Debugging Support in the Kernel–Debugging Support in the Kernel, Enabling and Disabling Interrupts, Enabling the PCI Device

configuration for kernels, Debugging Support in the Kernel–Debugging Support in the Kernel

interrupt handlers, Enabling and Disabling Interrupts

PCI drivers, Enabling the PCI Device

end-of-file, poll and select, The llseek Implementation

poll method and, poll and select

seeking relative to, The llseek Implementation

endless loops, preventing, System Hangs

endpoints, Endpoints, Interfaces

interfaces, Interfaces

USB, Endpoints

entropy pool and SA_SAMPLE_RANDOM flag, Installing an Interrupt Handler

errno.h header file, Error Handling During Initialization

error handling during initialization, Error Handling During Initialization

errors, Error Handling During Initialization, Error Handling During Initialization, read and write, Oops Messages, Pointers and Error Values

(see also troubleshooting)

buffer overrun, Oops Messages

codes, Error Handling During Initialization

read/write, read and write

values (pointers), Pointers and Error Values

/etc/networks file, Assigning IP Numbers

/etc/syslog.conf file, How Messages Get Logged

Ethernet, The Physical Transport of Packets, Interface Information, MAC Address Resolution, Using ARP with Ethernet, Using ARP with Ethernet, Non-Ethernet Headers

address resolution, MAC Address Resolution

ARP and, Using ARP with Ethernet, Using ARP with Ethernet

non-Ethernet headers, Non-Ethernet Headers

non-Ethernet interfaces, Interface Information

snull interfaces, The Physical Transport of Packets

ether_setup function, Initializing Each Device, Interface Information–The Device Methods

Ethtool, Ethtool Support

ETH_ALEN macro, Opening and Closing

eth_header method, The Device Methods

events, Pitfalls in scull, Hotplug Event Generation

hotplug, Hotplug Event Generation

race conditions, Pitfalls in scull

exclusive waits, Exclusive waits

execution, User Space and Kernel Space, User Space and Kernel Space, Concurrency and Its Management, Delaying Execution–Short Delays, Kernel Timers, Delays, Running the Handler

asynchronous (interrupt mode), Kernel Timers

of code (delaying), Delaying Execution–Short Delays, Delays

modes, User Space and Kernel Space, User Space and Kernel Space

shared interrupt handlers, Running the Handler

threads, Concurrency and Its Management

experimental kernels, Version Numbering

exporting symbols, The Kernel Symbol Table–The Kernel Symbol Table

EXPORT_SYMBOL macro, Initialization and Shutdown, Quick Reference

EXPORT_SYMBOL_GPL macro, Quick Reference

extended buses, External Buses

Extended ISA (EISA), EISA