Device Enumeration
~~~~~~~~~~~~~~~~~~
-As a rule, platform specific (and often board-specific) setup code wil
+As a rule, platform specific (and often board-specific) setup code will
register platform devices:
int platform_device_register(struct platform_device *pdev);
* platform_device.id ... the device instance number, or else "-1"
to indicate there's only one.
-These are catenated, so name/id "serial"/0 indicates bus_id "serial.0", and
+These are concatenated, so name/id "serial"/0 indicates bus_id "serial.0", and
"serial/3" indicates bus_id "serial.3"; both would use the platform_driver
named "serial". While "my_rtc"/-1 would be bus_id "my_rtc" (no instance id)
and use the platform_driver called "my_rtc".
----------------------------------------
Legacy I/O port and ISA memory resources are also provided in sysfs if the
-underlying platform supports them. They're located in the PCI class heirarchy,
+underlying platform supports them. They're located in the PCI class hierarchy,
e.g.
/sys/class/pci_bus/0000:17/
--- 6.1 Set variables to tweak the build to the architecture
--- 6.2 Add prerequisites to archprepare:
--- 6.3 List directories to visit when descending
- --- 6.4 Architecture specific boot images
+ --- 6.4 Architecture-specific boot images
--- 6.5 Building non-kbuild targets
--- 6.6 Commands useful for building a boot image
--- 6.7 Custom kbuild commands
Example:
obj-y += foo.o
- This tell kbuild that there is one object in that directory, named
+ This tells kbuild that there is one object in that directory, named
foo.o. foo.o will be built from foo.c or foo.S.
If foo.o shall be built as a module, the variable obj-m is used.
Special rules are used when the kbuild infrastructure does
not provide the required support. A typical example is
header files generated during the build process.
- Another example are the architecture specific Makefiles which
+ Another example are the architecture-specific Makefiles which
need special rules to prepare boot images etc.
Special rules are written as normal Make rules.
#arch/i386/kernel/Makefile
vsyscall-flags += $(call ld-option, -Wl$(comma)--hash-style=sysv)
- In the above example vsyscall-flags will be assigned the option
+ In the above example, vsyscall-flags will be assigned the option
-Wl$(comma)--hash-style=sysv if it is supported by $(CC).
The second argument is optional, and if supplied will be used
if first argument is not supported.
#arch/i386/Makefile
cflags-y += $(call cc-option,-march=pentium-mmx,-march=i586)
- In the above example cflags-y will be assigned the option
+ In the above example, cflags-y will be assigned the option
-march=pentium-mmx if supported by $(CC), otherwise -march=i586.
The second argument to cc-option is optional, and if omitted,
cflags-y will be assigned no value if first option is not supported.
located at the root of the obj tree.
The very first objects linked are listed in head-y, assigned by
arch/$(ARCH)/Makefile.
-7) Finally, the architecture specific part does any required post processing
+7) Finally, the architecture-specific part does any required post processing
and builds the final bootimage.
- This includes building boot records
- - Preparing initrd images and thelike
+ - Preparing initrd images and the like
--- 6.1 Set variables to tweak the build to the architecture
$(head-y) lists objects to be linked first in vmlinux.
$(libs-y) lists directories where a lib.a archive can be located.
- The rest lists directories where a built-in.o object file can be
+ The rest list directories where a built-in.o object file can be
located.
$(init-y) objects will be located after $(head-y).
$(core-y), $(libs-y), $(drivers-y) and $(net-y).
The top level Makefile defines values for all generic directories,
- and arch/$(ARCH)/Makefile only adds architecture specific directories.
+ and arch/$(ARCH)/Makefile only adds architecture-specific directories.
Example:
#arch/sparc64/Makefile
drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/
---- 6.4 Architecture specific boot images
+--- 6.4 Architecture-specific boot images
An arch Makefile specifies goals that take the vmlinux file, compress
it, wrap it in bootstrapping code, and copy the resulting files
"$(Q)$(MAKE) $(build)=<dir>" is the recommended way to invoke
make in a subdirectory.
- There are no rules for naming architecture specific targets,
+ There are no rules for naming architecture-specific targets,
but executing "make help" will list all relevant targets.
To support this, $(archhelp) must be defined.
$(call if_changed,ld/objcopy/gzip)
When the rule is evaluated, it is checked to see if any files
- needs an update, or the command line has changed since the last
+ need an update, or the command line has changed since the last
invocation. The latter will force a rebuild if any options
to the executable have changed.
Any target that utilises if_changed must be listed in $(targets),
assignment.
The kbuild infrastructure for *lds file are used in several
- architecture specific files.
+ architecture-specific files.
=== 7 Kbuild Variables
This variable defines a place for the arch Makefiles to install
the resident kernel image and System.map file.
- Use this for architecture specific install targets.
+ Use this for architecture-specific install targets.
INSTALL_MOD_PATH, MODLIB
- Index of Documentation for People Interested in Writing and/or
-
- Understanding the Linux Kernel.
-
- Juan-Mariano de Goyeneche <jmseyas@dit.upm.es>
-
+ Index of Documentation for People Interested in Writing and/or
+
+ Understanding the Linux Kernel.
+
+ Juan-Mariano de Goyeneche <jmseyas@dit.upm.es>
+
/*
* The latest version of this document may be found at:
* http://www.dit.upm.es/~jmseyas/linux/kernel/hackers-docs.html
13.-The Linux Kernel Sources, A.-Linux Data Structures, B.-The
Alpha AXP Processor, C.-Useful Web and FTP Sites, D.-The GNU
General Public License, Glossary". In short: a must have.
-
- * Title: "The Linux Kernel Hackers' Guide"
- Author: Michael K.Johnson and others.
- URL: http://www.tldp.org/LDP/khg/HyperNews/get/khg.html
- Keywords: everything!
- Description: No more Postscript book-like version. Only HTML now.
- Many people have contributed. The interface is similar to web
- available mailing lists archives. You can find some articles and
- then some mails asking questions about them and/or complementing
- previous contributions. A little bit anarchic in this aspect, but
- with some valuable information in some cases.
-
+
+ * Title: "Linux Device Drivers, 2nd Edition"
+ Author: Alessandro Rubini and Jonathan Corbet.
+ URL: http://www.xml.com/ldd/chapter/book/index.html
+ Keywords: device drivers, modules, debugging, memory, hardware,
+ interrupt handling, char drivers, block drivers, kmod, mmap, DMA,
+ buses.
+ Description: O'Reilly's popular book, now also on-line under the
+ GNU Free Documentation License.
+ Notes: You can also buy it in paper-form from O'Reilly. See below
+ under BOOKS (Not on-line).
+
* Title: "Conceptual Architecture of the Linux Kernel"
Author: Ivan T. Bowman.
URL: http://plg.uwaterloo.ca/~itbowman/papers/CS746G-a1.html
Description: Conceptual software arquitecture of the Linux kernel,
automatically extracted from the source code. Very detailed. Good
figures. Gives good overall kernel understanding.
-
+
* Title: "Concrete Architecture of the Linux Kernel"
Author: Ivan T. Bowman, Saheem Siddiqi, and Meyer C. Tanuan.
URL: http://plg.uwaterloo.ca/~itbowman/papers/CS746G-a2.html
- Keywords: concrete arquitecture, extracted design, reverse
+ Keywords: concrete architecture, extracted design, reverse
engineering, system structure, dependencies.
- Description: Concrete arquitecture of the Linux kernel,
+ Description: Concrete architecture of the Linux kernel,
automatically extracted from the source code. Very detailed. Good
figures. Gives good overall kernel understanding. This papers
focus on lower details than its predecessor (files, variables...).
-
+
* Title: "Linux as a Case Study: Its Extracted Software
Architecture"
Author: Ivan T. Bowman, Richard C. Holt and Neil V. Brewster.
Description: Paper appeared at ICSE'99, Los Angeles, May 16-22,
1999. A mixture of the previous two documents from the same
author.
-
+
* Title: "Overview of the Virtual File System"
Author: Richard Gooch.
URL: http://www.atnf.csiro.au/~rgooch/linux/vfs.txt
What is it, how it works, operations taken when opening a file or
mounting a file system and description of important data
structures explaining the purpose of each of their entries.
-
+
* Title: "The Linux RAID-1, 4, 5 Code"
Author: Ingo Molnar, Gadi Oxman and Miguel de Icaza.
- URL: http://www2.linuxjournal.com/lj-issues/issue44/2391.html
+ URL: http://www.linuxjournal.com/article.php?sid=2391
Keywords: RAID, MD driver.
Description: Linux Journal Kernel Korner article. Here is it's
abstract: "A description of the implementation of the RAID-1,
RAID-4 and RAID-5 personalities of the MD device driver in the
Linux kernel, providing users with high performance and reliable,
secondary-storage capability using software".
-
+
* Title: "Dynamic Kernels: Modularized Device Drivers"
Author: Alessandro Rubini.
- URL: http://www2.linuxjournal.com/lj-issues/issue23/1219.html
+ URL: http://www.linuxjournal.com/article.php?sid=1219
Keywords: device driver, module, loading/unloading modules,
allocating resources.
Description: Linux Journal Kernel Korner article. Here is it's
loadable modules. This installment presents an introduction to the
topic, preparing the reader to understand next month's
installment".
-
+
* Title: "Dynamic Kernels: Discovery"
Author: Alessandro Rubini.
- URL: http://www2.linuxjournal.com/lj-issues/issue24/1220.html
+ URL: http://www.linuxjournal.com/article.php?sid=1220
Keywords: character driver, init_module, clean_up module,
autodetection, mayor number, minor number, file operations,
open(), close().
the actual code to create custom module implementing a character
device driver. It describes the code for module initialization and
cleanup, as well as the open() and close() system calls".
-
+
* Title: "The Devil's in the Details"
Author: Georg v. Zezschwitz and Alessandro Rubini.
- URL: http://www2.linuxjournal.com/lj-issues/issue25/1221.html
+ URL: http://www.linuxjournal.com/article.php?sid=1221
Keywords: read(), write(), select(), ioctl(), blocking/non
blocking mode, interrupt handler.
Description: Linux Journal Kernel Korner article. Here is it's
abstract: "This article, the third of four on writing character
device drivers, introduces concepts of reading, writing, and using
ioctl-calls".
-
+
* Title: "Dissecting Interrupts and Browsing DMA"
Author: Alessandro Rubini and Georg v. Zezschwitz.
- URL: http://www2.linuxjournal.com/lj-issues/issue26/1222.html
+ URL: http://www.linuxjournal.com/article.php?sid=1222
Keywords: interrupts, irqs, DMA, bottom halves, task queues.
Description: Linux Journal Kernel Korner article. Here is it's
abstract: "This is the fourth in a series of articles about
writing, and several different facilities have been provided for
different situations. We also investigate the complex topic of
DMA".
-
+
* Title: "Device Drivers Concluded"
Author: Georg v. Zezschwitz.
- URL: http://www2.linuxjournal.com/lj-issues/issue28/1287.html
+ URL: http://www.linuxjournal.com/article.php?sid=1287
Keywords: address spaces, pages, pagination, page management,
demand loading, swapping, memory protection, memory mapping, mmap,
virtual memory areas (VMAs), vremap, PCI.
five articles about character device drivers. In this final
section, Georg deals with memory mapping devices, beginning with
an overall description of the Linux memory management concepts".
-
+
* Title: "Network Buffers And Memory Management"
Author: Alan Cox.
- URL: http://www2.linuxjournal.com/lj-issues/issue30/1312.html
+ URL: http://www.linuxjournal.com/article.php?sid=1312
Keywords: sk_buffs, network devices, protocol/link layer
variables, network devices flags, transmit, receive,
configuration, multicast.
of the Coda filesystem. This version document is meant to describe
the current interface (version 1.0) as well as improvements we
envisage".
-
+
* Title: "Programming PCI-Devices under Linux"
Author: Claus Schroeter.
URL:
- ftp://ftp.llp.fu-berlin.de/pub/linux/LINUX-LAB/whitepapers/pcip.ps
- .gz
+ ftp://ftp.llp.fu-berlin.de/pub/linux/LINUX-LAB/whitepapers/pcip.ps.gz
Keywords: PCI, device, busmastering.
Description: 6 pages tutorial on PCI programming under Linux.
Gives the basic concepts on the architecture of the PCI subsystem,
as long as basic functions and macros to read/write the devices
and perform busmastering.
-
+
* Title: "Writing Character Device Driver for Linux"
Author: R. Baruch and C. Schroeter.
URL:
- ftp://ftp.llp.fu-berlin.de/pub/linux/LINUX-LAB/whitepapers/drivers
- .ps.gz
+ ftp://ftp.llp.fu-berlin.de/pub/linux/LINUX-LAB/whitepapers/drivers.ps.gz
Keywords: character device drivers, I/O, signals, DMA, accessing
ports in user space, kernel environment.
Description: 68 pages paper on writing character drivers. A little
bit old (1.993, 1.994) although still useful.
-
+
* Title: "Design and Implementation of the Second Extended
Filesystem"
Author: Rémy Card, Theodore Ts'o, Stephen Tweedie.
e2fsck's passes description... A must read!
Notes: This paper was first published in the Proceedings of the
First Dutch International Symposium on Linux, ISBN 90-367-0385-9.
-
+
* Title: "Analysis of the Ext2fs structure"
Author: Louis-Dominique Dubeau.
- URL: http://step.polymtl.ca/~ldd/ext2fs/ext2fs_toc.html
+ URL: http://www.nondot.org/sabre/os/files/FileSystems/ext2fs/
Keywords: ext2, filesystem, ext2fs.
Description: Description of ext2's blocks, directories, inodes,
bitmaps, invariants...
-
+
* Title: "Journaling the Linux ext2fs Filesystem"
Author: Stephen C. Tweedie.
URL:
Description: Excellent 8-pages paper explaining the journaling
capabilities added to ext2 by the author, showing different
problems faced and the alternatives chosen.
-
+
* Title: "Kernel API changes from 2.0 to 2.2"
Author: Richard Gooch.
URL:
Keywords: 2.2, changes.
Description: Kernel functions/structures/variables which changed
from 2.0.x to 2.2.x.
-
+
* Title: "Kernel API changes from 2.2 to 2.4"
Author: Richard Gooch.
URL:
Notes: Beware: the main page states: "This document may not be
published, printed or used in excerpts without explicit permission
of the author". Fortunately, it may still be read...
-
- * Title: "Tour Of the Linux Kernel Source"
- Author: Vijo Cherian.
- URL: http://www.geocities.com/vijoc/tolks/tolks.html
- Keywords: .
- Description: A classic of this page! Was lost for a while and is
- back again. Thanks Vijo! TOLKS: the name says it all. A tour of
- the sources, describing directories, files, variables, data
- structures... It covers general stuff, device drivers,
- filesystems, IPC and Networking Code.
-
+
* Title: "Linux Kernel Mailing List Glossary"
Author: various
URL: http://kernelnewbies.org/glossary/
kernels, but most of it applies to 2.2 too; 2.0 is slightly
different". Freely redistributable under the conditions of the GNU
General Public License.
-
+
+ * Title: "Global spinlock list and usage"
+ Author: Rick Lindsley.
+ URL: http://lse.sourceforge.net/lockhier/global-spin-lock
+ Keywords: spinlock.
+ Description: This is an attempt to document both the existence and
+ usage of the spinlocks in the Linux 2.4.5 kernel. Comprehensive
+ list of spinlocks showing when they are used, which functions
+ access them, how each lock is acquired, under what conditions it
+ is held, whether interrupts can occur or not while it is held...
+
* Title: "Porting Linux 2.0 Drivers To Linux 2.2: Changes and New
Features "
Author: Alan Cox.
Keywords: ports, porting.
Description: Article from Linux Magazine on porting from 2.0 to
2.2 kernels.
-
+
* Title: "Porting Device Drivers To Linux 2.2: part II"
Author: Alan Cox.
URL: http://www.linux-mag.com/1999-06/gear_01.html
Keywords: ports, porting.
Description: Second part on porting from 2.0 to 2.2 kernels.
-
+
* Title: "How To Make Sure Your Driver Will Work On The Power
Macintosh"
Author: Paul Mackerras.
URL: http://www.linux-mag.com/1999-07/gear_01.html
Keywords: Mac, Power Macintosh, porting, drivers, compatibility.
Description: The title says it all.
-
+
* Title: "An Introduction to SCSI Drivers"
Author: Alan Cox.
URL: http://www.linux-mag.com/1999-08/gear_01.html
Keywords: SCSI, device, driver.
Description: The title says it all.
-
+
* Title: "Advanced SCSI Drivers And Other Tales"
Author: Alan Cox.
URL: http://www.linux-mag.com/1999-09/gear_01.html
Keywords: SCSI, device, driver, advanced.
Description: The title says it all.
-
+
* Title: "Writing Linux Mouse Drivers"
Author: Alan Cox.
URL: http://www.linux-mag.com/1999-10/gear_01.html
Keywords: mouse, driver, gpm.
Description: The title says it all.
-
+
* Title: "More on Mouse Drivers"
Author: Alan Cox.
URL: http://www.linux-mag.com/1999-11/gear_01.html
Keywords: mouse, driver, gpm, races, asynchronous I/O.
Description: The title still says it all.
-
+
* Title: "Writing Video4linux Radio Driver"
Author: Alan Cox.
URL: http://www.linux-mag.com/1999-12/gear_01.html
Keywords: video4linux, driver, radio, radio devices.
Description: The title says it all.
-
+
* Title: "Video4linux Drivers, Part 1: Video-Capture Device"
Author: Alan Cox.
URL: http://www.linux-mag.com/2000-01/gear_01.html
Keywords: video4linux, driver, video capture, capture devices,
camera driver.
Description: The title says it all.
-
+
* Title: "Video4linux Drivers, Part 2: Video-capture Devices"
Author: Alan Cox.
URL: http://www.linux-mag.com/2000-02/gear_01.html
Keywords: video4linux, driver, video capture, capture devices,
camera driver, control, query capabilities, capability, facility.
Description: The title says it all.
-
+
* Title: "PCI Management in Linux 2.2"
Author: Alan Cox.
URL: http://www.linux-mag.com/2000-03/gear_01.html
Keywords: PCI, bus, bus-mastering.
Description: The title says it all.
-
+
* Title: "Linux 2.4 Kernel Internals"
Author: Tigran Aivazian and Christoph Hellwig.
URL: http://www.moses.uklinux.net/patches/lki.html
Description: A little book used for a short training course.
Covers building the kernel image, booting (including SMP bootup),
process management, VFS and more.
-
+
* Title: "Linux IP Networking. A Guide to the Implementation and
Modification of the Linux Protocol Stack."
Author: Glenn Herrin.
- URL:
- http://kernelnewbies.org/documents/ipnetworking/linuxipnetworking.
- html
+ URL: http://www.cs.unh.edu/cnrg/gherrin
Keywords: network, networking, protocol, IP, UDP, TCP, connection,
socket, receiving, transmitting, forwarding, routing, packets,
modules, /proc, sk_buff, FIB, tags.
drivers for the Linux PCMCIA Card Services interface. It also
describes how to write user-mode utilities for communicating with
Card Services.
-
+
* Title: "The Linux Kernel NFSD Implementation"
Author: Neil Brown.
URL:
Pages: 520.
ISBN: 2-212-08932-5
Notes: French.
-
- * Title: "The Linux Kernel Book"
- Author: Remy Card, Eric Dumas, Franck Mevel.
- Publisher: John Wiley & Sons.
- Date: 1998.
- ISBN: 0-471-98141-9
- Notes: English translation.
-
- * Title: "Linux 2.0"
- Author: Remy Card, Eric Dumas, Franck Mevel.
- Publisher: Gestión 2000.
- Date: 1997.
- Pages: 501.
- ISBN: 8-480-88208-5
- Notes: Spanish translation.
-
+
* Title: "Unix internals -- the new frontiers"
Author: Uresh Vahalia.
Publisher: Prentice Hall.
Date: 1996.
Pages: 600.
ISBN: 0-13-101908-2
-
- * Title: "Linux Core Kernel Commentary. Guide to Insider's Knowledge
- on the Core Kernel of the Linux Code"
- Author: Scott Maxwell.
- Publisher: Coriolis.
- Date: 1999.
- Pages: 592.
- ISBN: 1-57610-469-9
- Notes: CD-ROM included. Line by line commentary of the kernel
- code.
-
- * Title: "Linux IP Stacks Commentary"
- Author: Stephen Satchell and HBJ Clifford.
- Publisher: Coriolis.
- Date: 2000.
- Pages: ???.
- ISBN: 1-57610-470-2
- Notes: Line by line source code commentary book.
-
+
+ * Title: "The Design and Implementation of the 4.4 BSD UNIX
+ Operating System"
+ Author: Marshall Kirk McKusick, Keith Bostic, Michael J. Karels,
+ John S. Quarterman.
+ Publisher: Addison-Wesley.
+ Date: 1996.
+ ISBN: 0-201-54979-4
+
* Title: "Programming for the real world - POSIX.4"
Author: Bill O. Gallmeister.
Publisher: O'Reilly & Associates, Inc..
ISBN: I-56592-074-0
Notes: Though not being directly about Linux, Linux aims to be
POSIX. Good reference.
-
- * Title: "Understanding the Linux Kernel"
- Author: Daniel P. Bovet and Marco Cesati.
- Publisher: O'Reilly & Associates, Inc..
- Date: 2000.
- Pages: 702.
- ISBN: 0-596-00002-2
- Notes: Further information in
- http://www.oreilly.com/catalog/linuxkernel/
-
+
+ * Title: "UNIX Systems for Modern Architectures: Symmetric
+ Multiprocesssing and Caching for Kernel Programmers"
+ Author: Curt Schimmel.
+ Publisher: Addison Wesley.
+ Date: June, 1994.
+ Pages: 432.
+ ISBN: 0-201-63338-8
+
+ * Title: "The Design and Implementation of the 4.3 BSD UNIX
+ Operating System"
+ Author: Samuel J. Leffler, Marshall Kirk McKusick, Michael J.
+ Karels, John S. Quarterman.
+ Publisher: Addison-Wesley.
+ Date: 1989 (reprinted with corrections on October, 1990).
+ ISBN: 0-201-06196-1
+
+ * Title: "The Design of the UNIX Operating System"
+ Author: Maurice J. Bach.
+ Publisher: Prentice Hall.
+ Date: 1986.
+ Pages: 471.
+ ISBN: 0-13-201757-1
+
MISCELLANEOUS:
-
+
* Name: linux/Documentation
Author: Many.
URL: Just look inside your kernel sources.
inside the Documentation directory. Some pages from this document
(including this document itself) have been moved there, and might
be more up to date than the web version.
-
+
* Name: "Linux Source Driver"
URL: http://lsd.linux.cz
Keywords: Browsing source code.
you can search Linux kernel (fulltext, macros, types, functions
and variables) and LSD can generate patches for you on the fly
(files, directories or kernel)".
-
+
* Name: "Linux Kernel Source Reference"
Author: Thomas Graichen.
URL: http://innominate.org/~graichen/projects/lksr/
sources of any version starting from 1.0 up to the (daily updated)
current version available. Also you can check the differences
between two versions of a file".
-
+
* Name: "Cross-Referencing Linux"
URL: http://lxr.linux.no/source/
Keywords: Browsing source code.
Description: Another web-based Linux kernel source code browser.
Lots of cross references to variables and functions. You can see
where they are defined and where they are used.
-
+
* Name: "Linux Weekly News"
URL: http://lwn.net
Keywords: latest kernel news.
Description: The title says it all. There's a fixed kernel section
summarizing developers' work, bug fixes, new features and versions
produced during the week. Published every Thursday.
-
+
* Name: "Kernel Traffic"
- URL: http://www.kerneltraffic.org/kernel-traffic/
+ URL: http://kt.zork.net/kernel-traffic/
Keywords: linux-kernel mailing list, weekly kernel news.
Description: Weekly newsletter covering the most relevant
discussions of the linux-kernel mailing list.
-
+
* Name: "CuTTiNG.eDGe.LiNuX"
URL: http://edge.kernelnotes.org
Keywords: changelist.
release. What's new, what's better, what's changed. Myrdraal reads
the patches and describes them. Pointers to the patches are there,
too.
-
+
* Name: "New linux-kernel Mailing List FAQ"
URL: http://www.tux.org/lkml/
Keywords: linux-kernel mailing list FAQ.
it. Read it to see how to join the mailing list. Dozens of
interesting questions regarding the list, Linux, developers (who
is ...?), terms (what is...?) are answered here too. Just read it.
-
+
* Name: "Linux Virtual File System"
Author: Peter J. Braam.
URL: http://www.coda.cs.cmu.edu/doc/talks/linuxvfs/
Description: Set of slides, presumably from a presentation on the
Linux VFS layer. Covers version 2.1.x, with dentries and the
dcache.
-
+
* Name: "Gary's Encyclopedia - The Linux Kernel"
Author: Gary (I suppose...).
- URL: http://members.aa.net/~swear/pedia/kernel.html
+ URL: http://www.lisoleg.net/cgi-bin/lisoleg.pl?view=kernel.htm
Keywords: links, not found here?.
Description: Gary's Encyclopedia exists to allow the rapid finding
of documentation and other information of interest to GNU/Linux
categories. This link is for kernel-specific links, documents,
sites... Look there if you could not find here what you were
looking for.
-
+
* Name: "The home page of Linux-MM"
Author: The Linux-MM team.
URL: http://linux-mm.org/
Description: Site devoted to Linux Memory Management development.
Memory related patches, HOWTOs, links, mm developers... Don't miss
it if you are interested in memory management development!
-
+
* Name: "Kernel Newbies IRC Channel"
URL: http://www.kernelnewbies.org
Keywords: IRC, newbies, channel, asking doubts.
Format: <1-256>
maxcpus= [SMP] Maximum number of processors that an SMP kernel
- should make use of
+ should make use of.
+ Using "nosmp" or "maxcpus=0" will disable SMP
+ entirely (the MPS table probe still happens, though).
+ A command-line option of "maxcpus=<NUM>", where <NUM>
+ is an integer greater than 0, limits the maximum number
+ of CPUs activated in SMP mode to <NUM>.
+ Using "maxcpus=1" on an SMP kernel is the trivial
+ case of an SMP kernel with only one CPU.
max_addr=[KMG] [KNL,BOOT,ia64] All physical memory greater than or
equal to this physical address is ignored.
in arch/sh/kernel/ directly, with board-specific headers ending up in
include/asm-sh/. For the new kernel, things are broken out by board type,
companion chip type, and CPU type. Looking at a tree view of this directory
-heirarchy looks like the following:
+hierarchy looks like the following:
Board-specific code:
member itself.
There are a few things that each board is required to have, both in the
-arch/sh/boards and the include/asm-sh/ heirarchy. In order to better
+arch/sh/boards and the include/asm-sh/ hierarchy. In order to better
explain this, we use some examples for adding an imaginary board. For
setup code, we're required at the very least to provide definitions for
get_system_type() and platform_setup(). For our imaginary board, this
i2c_udelay= Allow reduce I2C speed. Default is 5 usecs
(meaning 66,67 Kbps). The default is the
maximum supported speed by kernel bitbang
- algoritm. You may use lower numbers, if I2C
+ algorithm. You may use lower numbers, if I2C
messages are lost (16 is known to work on
all supported cards).
today Linux also runs on (at least) the Compaq Alpha AXP, Sun SPARC and
UltraSPARC, Motorola 68000, PowerPC, PowerPC64, ARM, Hitachi SuperH, Cell,
IBM S/390, MIPS, HP PA-RISC, Intel IA-64, DEC VAX, AMD x86-64, AXIS CRIS,
- Cris, Xtensa, AVR32 and Renesas M32R architectures.
+ Xtensa, AVR32 and Renesas M32R architectures.
Linux is easily portable to most general-purpose 32- or 64-bit architectures
as long as they have a paged memory management unit (PMMU) and a port of the
config IWMMXT
bool "Enable iWMMXt support"
- depends CPU_XSCALE || CPU_XSC3
+ depends on CPU_XSCALE || CPU_XSC3
default y if PXA27x
help
Enable support for iWMMXt context switching at run time if
of your chipset/board/processor.
config CPU_HIGH_VECTOR
- depends !MMU && CPU_CP15 && !CPU_ARM740T
+ depends on !MMU && CPU_CP15 && !CPU_ARM740T
bool "Select the High exception vector"
default n
help
{
pcf8563_init();
if (register_chrdev(PCF8563_MAJOR, DEVICE_NAME, &pcf8563_fops) < 0) {
- printk(KERN_INFO "%s: Unable to get major numer %d for RTC device.\n",
+ printk(KERN_INFO "%s: Unable to get major number %d for RTC device.\n",
PCF8563_NAME, PCF8563_MAJOR);
return -1;
}
goto err;
if (register_chrdev(PCF8563_MAJOR, DEVICE_NAME, &pcf8563_fops) < 0) {
- printk(KERN_INFO "%s: Unable to get major numer %d for RTC device.\n",
+ printk(KERN_INFO "%s: Unable to get major number %d for RTC device.\n",
PCF8563_NAME, PCF8563_MAJOR);
return -1;
}
#include <endian.h>
#define MAX_SHDRS 100
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
static Elf32_Ehdr ehdr;
static Elf32_Shdr shdr[MAX_SHDRS];
static Elf32_Sym *symtab[MAX_SHDRS];
#undef SYM_TYPE
};
const char *name = "unknown sym type name";
- if (type < sizeof(type_name)/sizeof(type_name[0])) {
+ if (type < ARRAY_SIZE(type_name)) {
name = type_name[type];
}
return name;
#undef SYM_BIND
};
const char *name = "unknown sym bind name";
- if (bind < sizeof(bind_name)/sizeof(bind_name[0])) {
+ if (bind < ARRAY_SIZE(bind_name)) {
name = bind_name[bind];
}
return name;
#undef SYM_VISIBILITY
};
const char *name = "unknown sym visibility name";
- if (visibility < sizeof(visibility_name)/sizeof(visibility_name[0])) {
+ if (visibility < ARRAY_SIZE(visibility_name)) {
name = visibility_name[visibility];
}
return name;
#undef REL_TYPE
};
const char *name = "unknown type rel type name";
- if (type < sizeof(type_name)/sizeof(type_name[0])) {
+ if (type < ARRAY_SIZE(type_name)) {
name = type_name[type];
}
return name;
/*
- * arch/i386/kernel/topology.c - Populate driverfs with topology information
+ * arch/i386/kernel/topology.c - Populate sysfs with topology information
*
* Written by: Matthew Dobson, IBM Corporation
* Original Code: Paul Dorwin, IBM Corporation, Patrick Mochel, OSDL
};
-static int __init init_driverfs(void)
+static int __init init_sysfs(void)
{
int error;
if (!(error = sysdev_class_register(&oprofile_sysclass)))
}
-static void exit_driverfs(void)
+static void exit_sysfs(void)
{
sysdev_unregister(&device_oprofile);
sysdev_class_unregister(&oprofile_sysclass);
}
#else
-#define init_driverfs() do { } while (0)
-#define exit_driverfs() do { } while (0)
+#define init_sysfs() do { } while (0)
+#define exit_sysfs() do { } while (0)
#endif /* CONFIG_PM */
static int profile_exceptions_notify(struct notifier_block *self,
return 1;
}
-/* in order to get driverfs right */
+/* in order to get sysfs right */
static int using_nmi;
int __init op_nmi_init(struct oprofile_operations *ops)
return -ENODEV;
}
- init_driverfs();
+ init_sysfs();
using_nmi = 1;
ops->create_files = nmi_create_files;
ops->setup = nmi_setup;
void op_nmi_exit(void)
{
if (using_nmi)
- exit_driverfs();
+ exit_sysfs();
}
* in UP:
* - we need to protect against PMU overflow interrupts (local_irq_disable)
*
- * spin_lock_irqsave()/spin_lock_irqrestore():
+ * spin_lock_irqsave()/spin_unlock_irqrestore():
* in SMP: local_irq_disable + spin_lock
* in UP : local_irq_disable
*
: "0" (n), "1" (s), "r" (n & 3), "r" (mask), "r"(0x01010101)
: "r0", "r1", "cbit");
- /* NOTE: strnlen_user() algorism:
+ /* NOTE: strnlen_user() algorithm:
* {
* char *p;
* for (p = s; n-- && *p != '\0'; ++p)
: "0" (n), "1" (s), "r" (n & 3), "r" (mask), "r"(0x01010101)
: "r0", "r1", "r2", "r3", "cbit");
- /* NOTE: strnlen_user() algorism:
+ /* NOTE: strnlen_user() algorithm:
* {
* char *p;
* for (p = s; n-- && *p != '\0'; ++p)
/*
* Choose a reasonably fast profile timer. Make it an odd value to
- * try and get good coverage of kernal operations.
+ * try and get good coverage of kernel operations.
*/
#define PROFILEHZ 1013
#include <asm/cacheflush.h>
#include <asm/page.h>
-const extern unsigned char relocate_new_kernel[];
-const extern unsigned int relocate_new_kernel_size;
+extern const unsigned char relocate_new_kernel[];
+extern const unsigned int relocate_new_kernel_size;
extern unsigned long kexec_start_address;
extern unsigned long kexec_indirection_page;
/*
- * arch/parisc/kernel/topology.c - Populate driverfs with topology information
+ * arch/parisc/kernel/topology.c - Populate sysfs with topology information
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
char *os;
static int display_character, set_indicator;
static int display_width, display_lines, form_feed;
- const static int *row_width;
+ static const int *row_width;
static DEFINE_SPINLOCK(progress_lock);
static int current_line;
static int pending_newline = 0; /* did last write end with unprinted newline? */
* characteristics relative to its multiple connections. We ignore
* this for now. We also assume that all cpu and memory sets have
* their distances represented at a common level. This won't be
- * true for heirarchical NUMA.
+ * true for hierarchical NUMA.
*
* In any case the ibm,associativity-reference-points should give
* the correct depth for a normal NUMA system.
#include <asm/freq.h>
#include <asm/io.h>
-const static int pll1rate[]={1,2};
-const static int pfc_divisors[]={1,2,0,4};
+static const int pll1rate[] = {1,2};
+static const int pfc_divisors[] = {1,2,0,4};
#if (CONFIG_SH_CLK_MD == 1) || (CONFIG_SH_CLK_MD == 2)
#define PLL2 (4)
#include <asm/freq.h>
#include <asm/io.h>
-const static int pll1rate[]={1,2,3,4,6,8};
-const static int pfc_divisors[]={1,2,3,4,6,8,12};
+static const int pll1rate[]={1,2,3,4,6,8};
+static const int pfc_divisors[]={1,2,3,4,6,8,12};
#define ifc_divisors pfc_divisors
#if (CONFIG_SH_CLK_MD == 2)
# Some platforms pre-zero memory, in which case the kernel doesn't need to
config ZERO_BSS
bool
- depends !V850E2_SIM85E2C
+ depends on !V850E2_SIM85E2C
default y
# The crappy-ass zone allocator requires that the start of allocatable
set_kset_name("timer"),
};
-/* XXX this driverfs stuff should probably go elsewhere later -john */
+/* XXX this sysfs stuff should probably go elsewhere later -john */
static struct sys_device device_timer = {
.id = 0,
.cls = &timer_sysclass,
tristate "Anticipatory I/O scheduler"
default y
---help---
- The anticipatory I/O scheduler is the default disk scheduler. It is
- generally a good choice for most environments, but is quite large and
- complex when compared to the deadline I/O scheduler, it can also be
- slower in some cases especially some database loads.
+ The anticipatory I/O scheduler is generally a good choice for most
+ environments, but is quite large and complex when compared to the
+ deadline I/O scheduler, it can also be slower in some cases
+ especially some database loads.
config IOSCHED_DEADLINE
tristate "Deadline I/O scheduler"
The CFQ I/O scheduler tries to distribute bandwidth equally
among all processes in the system. It should provide a fair
working environment, suitable for desktop systems.
+ This is the default I/O scheduler.
choice
prompt "Default I/O scheduler"
#endif
/*
- * register_cpu - Setup a driverfs device for a CPU.
+ * register_cpu - Setup a sysfs device for a CPU.
* @cpu - cpu->hotpluggable field set to 1 will generate a control file in
* sysfs for this CPU.
* @num - CPU number to use when creating the device.
/*
- * register_node - Setup a driverfs device for a node.
+ * register_node - Setup a sysfs device for a node.
* @num - Node number to use when creating the device.
*
* Initialize and register the node device.
rio_dprintk(RIO_DEBUG_INIT, "Enabling interrupts on rio card.\n");
hp->Mode |= RIO_PCI_INT_ENABLE;
} else
- hp->Mode &= !RIO_PCI_INT_ENABLE;
+ hp->Mode &= ~RIO_PCI_INT_ENABLE;
rio_dprintk(RIO_DEBUG_INIT, "New Mode: %x\n", hp->Mode);
rio_start_card_running(hp);
}
return -ENODEV;
}
- /* set up the driverfs linkage to our parent device */
+ /* set up the sysfs linkage to our parent device */
ali1535_adapter.dev.parent = &dev->dev;
snprintf(ali1535_adapter.name, I2C_NAME_SIZE,
return -ENODEV;
}
- /* set up the driverfs linkage to our parent device */
+ /* set up the sysfs linkage to our parent device */
ali15x3_adapter.dev.parent = &dev->dev;
snprintf(ali15x3_adapter.name, I2C_NAME_SIZE,
dev_dbg(&pdev->dev, "SMBREV = 0x%X\n", temp);
dev_dbg(&pdev->dev, "AMD756_smba = 0x%X\n", amd756_ioport);
- /* set up the driverfs linkage to our parent device */
+ /* set up the sysfs linkage to our parent device */
amd756_smbus.dev.parent = &pdev->dev;
sprintf(amd756_smbus.name, "SMBus %s adapter at %04x",
smbus->adapter.algo = &smbus_algorithm;
smbus->adapter.algo_data = smbus;
- /* set up the driverfs linkage to our parent device */
+ /* set up the sysfs linkage to our parent device */
smbus->adapter.dev.parent = &dev->dev;
pci_write_config_dword(smbus->dev, AMD_PCI_MISC, 0);
else
dev_dbg(&dev->dev, "SMBus using PCI Interrupt\n");
- /* set up the driverfs linkage to our parent device */
+ /* set up the sysfs linkage to our parent device */
i801_adapter.dev.parent = &dev->dev;
snprintf(i801_adapter.name, I2C_NAME_SIZE,
if (retval)
return retval;
- /* set up the driverfs linkage to our parent device */
+ /* set up the sysfs linkage to our parent device */
piix4_adapter.dev.parent = &dev->dev;
snprintf(piix4_adapter.name, I2C_NAME_SIZE,
return -ENODEV;
}
- /* set up the driverfs linkage to our parent device */
+ /* set up the sysfs linkage to our parent device */
sis5595_adapter.dev.parent = &dev->dev;
sprintf(sis5595_adapter.name, "SMBus SIS5595 adapter at %04x",
return -ENODEV;
}
- /* set up the driverfs linkage to our parent device */
+ /* set up the sysfs linkage to our parent device */
sis630_adapter.dev.parent = &dev->dev;
sprintf(sis630_adapter.name, "SMBus SIS630 adapter at %04x",
return -EINVAL;
}
- /* set up the driverfs linkage to our parent device */
+ /* set up the sysfs linkage to our parent device */
sis96x_adapter.dev.parent = &dev->dev;
snprintf(sis96x_adapter.name, I2C_NAME_SIZE,
outb(inb(I2C_DIR) & ~(I2C_SDA | I2C_SCL), I2C_DIR);
outb(inb(I2C_OUT) & ~(I2C_SDA | I2C_SCL), I2C_OUT);
- /* set up the driverfs linkage to our parent device */
+ /* set up the sysfs linkage to our parent device */
vt586b_adapter.dev.parent = &dev->dev;
res = i2c_bit_add_bus(&vt586b_adapter);
config BLK_DEV_GENERIC
tristate "Generic PCI IDE Chipset Support"
depends on BLK_DEV_IDEPCI
+ help
+ This option provides generic support for various PCI IDE Chipsets
+ which otherwise might not be supported.
config BLK_DEV_OPTI621
tristate "OPTi 82C621 chipset enhanced support (EXPERIMENTAL)"
static void ohci1394_pci_remove(struct pci_dev *pdev);
#ifndef __LITTLE_ENDIAN
-const static size_t hdr_sizes[] = {
+static const size_t hdr_sizes[] = {
3, /* TCODE_WRITEQ */
4, /* TCODE_WRITEB */
3, /* TCODE_WRITE_RESPONSE */
* @kbase: ipath_base_info pointer
*
* We set the PCIE flag because the lower bandwidth on PCIe vs
- * HyperTransport can affect some user packet algorithims.
+ * HyperTransport can affect some user packet algorithms.
*/
static int ipath_ht_get_base_info(struct ipath_portdata *pd, void *kbase)
{
* @kbase: ipath_base_info pointer
*
* We set the PCIE flag because the lower bandwidth on PCIe vs
- * HyperTransport can affect some user packet algorithims.
+ * HyperTransport can affect some user packet algorithms.
*/
static int ipath_pe_get_base_info(struct ipath_portdata *pd, void *kbase)
{
int ps2_is_keyboard_id(char id_byte)
{
- const static char keyboard_ids[] = {
+ static const char keyboard_ids[] = {
0xab, /* Regular keyboards */
0xac, /* NCD Sun keyboard */
0x2b, /* Trust keyboard, translated */
* - we hit a gap in the sequence, so no reassembly/processing is
* possible ('start' would be set to NULL)
*
- * algorightm for this code is derived from code in the book
+ * algorithm for this code is derived from code in the book
* 'PPP Design And Debugging' by James Carlson (Addison-Wesley)
*/
while (start != NULL || newfrag != NULL) {
fetunesettings.parameters.inversion = INVERSION_AUTO;
}
if (fe->ops.info.type == FE_OFDM) {
- /* without hierachical coding code_rate_LP is irrelevant,
+ /* without hierarchical coding code_rate_LP is irrelevant,
* so we tolerate the otherwise invalid FEC_NONE setting */
if (fepriv->parameters.u.ofdm.hierarchy_information == HIERARCHY_NONE &&
fepriv->parameters.u.ofdm.code_rate_LP == FEC_NONE)
default:
return -EINVAL;
}
- deb_setf("hierachy: ");
+ deb_setf("hierarchy: ");
switch (ofdm->hierarchy_information) {
case HIERARCHY_NONE:
deb_setf("none ");
}
-const static struct pvr2_i2c_handler_functions msp3400_funcs = {
+static const struct pvr2_i2c_handler_functions msp3400_funcs = {
.detach = (void (*)(void *))pvr2_msp3400_detach,
.check = (int (*)(void *))msp3400_check,
.update = (void (*)(void *))msp3400_update,
}
-const static struct pvr2_i2c_handler_functions hfuncs = {
+static const struct pvr2_i2c_handler_functions hfuncs = {
.detach = (void (*)(void *))decoder_detach,
.check = (int (*)(void *))decoder_check,
.update = (void (*)(void *))decoder_update,
#define CSTD_ALL (CSTD_PAL|CSTD_NTSC|CSTD_SECAM)
/* Mapping of standard bits to color system */
-const static struct std_name std_groups[] = {
+static const struct std_name std_groups[] = {
{"PAL",CSTD_PAL},
{"NTSC",CSTD_NTSC},
{"SECAM",CSTD_SECAM},
};
/* Mapping of standard bits to modulation system */
-const static struct std_name std_items[] = {
+static const struct std_name std_items[] = {
{"B",TSTD_B},
{"B1",TSTD_B1},
{"D",TSTD_D},
}
-const static struct pvr2_i2c_handler_functions tuner_funcs = {
+static const struct pvr2_i2c_handler_functions tuner_funcs = {
.detach = (void (*)(void *))pvr2_tuner_detach,
.check = (int (*)(void *))tuner_check,
.update = (void (*)(void *))tuner_update,
}
-const static struct pvr2_i2c_handler_functions hfuncs = {
+static const struct pvr2_i2c_handler_functions hfuncs = {
.detach = (void (*)(void *))decoder_detach,
.check = (int (*)(void *))decoder_check,
.update = (void (*)(void *))decoder_update,
}
-const static struct pvr2_i2c_handler_functions hfuncs = {
+static const struct pvr2_i2c_handler_functions hfuncs = {
.detach = (void (*)(void *))wm8775_detach,
.check = (int (*)(void *))wm8775_check,
.update = (void (*)(void *))wm8775_update,
#define IFE_PMC_AUTO_MDIX 0x0080 /* 1=enable MDI/MDI-X feature, default 0=disabled */
#define IFE_PMC_FORCE_MDIX 0x0040 /* 1=force MDIX-X, 0=force MDI */
#define IFE_PMC_MDIX_STATUS 0x0020 /* 1=MDI-X, 0=MDI */
-#define IFE_PMC_AUTO_MDIX_COMPLETE 0x0010 /* Resolution algorthm is completed */
+#define IFE_PMC_AUTO_MDIX_COMPLETE 0x0010 /* Resolution algorithm is completed */
#define IFE_PMC_MDIX_MODE_SHIFT 6
#define IFE_PHC_MDIX_RESET_ALL_MASK 0x0000 /* Disable auto MDI-X */
return 0;
}
-/*
- * Handle an EtherExpress interrupt
- * If we've finished initializing, start the RU and CU up.
- * If we've already started, reap tx buffers, handle any received packets,
- * check to make sure we've not become wedged.
- */
-
/*
* Handle an EtherExpress interrupt
* If we've finished initializing, start the RU and CU up.
---help---
This is one of two drivers for Baycom style simple amateur radio
modems that connect to a serial interface. The driver supports the
- ser12 design in full-duplex mode. This is the old driver. It is
+ ser12 design in half-duplex mode. This is the old driver. It is
still provided in case your serial interface chip does not work with
the full-duplex driver. This driver is depreciated. To configure
the driver, use the sethdlc utility available in the standard ax25
To compile this driver as a module, choose M here: the module
will be called yam.
+
m.mmr_unused0[6],
m.mmr_unused0[7]);
#endif /* DEBUG_SHOW_UNUSED */
- printk(KERN_DEBUG "Encryption algorythm: %02X - Status: %02X\n",
+ printk(KERN_DEBUG "Encryption algorithm: %02X - Status: %02X\n",
m.mmr_des_avail, m.mmr_des_status);
#ifdef DEBUG_SHOW_UNUSED
printk(KERN_DEBUG "mmc_unused1[]: %02X:%02X:%02X:%02X:%02X\n",
cfblk.acloc = TRUE; /* Disable source addr insertion by i82593 */
cfblk.preamb_len = 0; /* 2 bytes preamble (SFD) */
cfblk.loopback = FALSE;
- cfblk.lin_prio = 0; /* conform to 802.3 backoff algoritm */
- cfblk.exp_prio = 5; /* conform to 802.3 backoff algoritm */
- cfblk.bof_met = 1; /* conform to 802.3 backoff algoritm */
+ cfblk.lin_prio = 0; /* conform to 802.3 backoff algorithm */
+ cfblk.exp_prio = 5; /* conform to 802.3 backoff algorithm */
+ cfblk.bof_met = 1; /* conform to 802.3 backoff algorithm */
cfblk.ifrm_spc = 0x20 >> 4; /* 32 bit times interframe spacing */
cfblk.slottim_low = 0x20 >> 5; /* 32 bit times slot time */
cfblk.slottim_hi = 0x0;
struct mutex rpc_mutex; /*
* only one thread could do
* recovery on the same
- * root port hierachy
+ * root port hierarchy
*/
wait_queue_head_t wait_release;
};
/*====================================================================*/
-#define FIND_FIRST_BIT(n) ((n) - ((n) & ((n)-1)))
-
/* Offsets in the Expansion ROM Image Header */
#define ROM_SIGNATURE 0x0000 /* 2 bytes */
#define ROM_DATA_PTR 0x0018 /* 2 bytes */
/* NOTE: It seems to me that the documentation regarding the
pcd8584t/pcf8584 does not show the correct way to address the i2c bus.
Based on the information on the I2C bus itself and the remainder of
-the Phillips docs the following algorithims apper to be correct. I am
+the Phillips docs the following algorithms appear to be correct. I am
fairly certain that the flowcharts in the phillips docs are wrong. */
The SCSI subsystem can probe for devices while the rest of the
system continues booting, and even probe devices on different
busses in parallel, leading to a significant speed-up.
+
If you have built SCSI as modules, enabling this option can
be a problem as the devices may not have been found by the
time your system expects them to have been. You can load the
If you build your SCSI drivers into the kernel, then everything
will work fine if you say Y here.
- You can override this choice by specifying scsi_mod.scan="sync"
- or "async" on the kernel's command line.
+ You can override this choice by specifying "scsi_mod.scan=sync"
+ or async on the kernel's command line.
menu "SCSI Transports"
depends on SCSI
goto out_disable_device;
}
- /* <02> read from base address + 0x50 offset to get the bios balue. */
+ /* <02> read from base address + 0x50 offset to get the bios value. */
bios = ORC_RDWORD(port, 0x50);
const void __iomem *reg_fas = base + EESOX_FAS216_OFFSET;
const void __iomem *reg_dmastat = base + EESOX_DMASTAT;
const void __iomem *reg_dmadata = base + EESOX_DMADATA;
- const register unsigned long mask = 0xffff;
+ register const unsigned long mask = 0xffff;
do {
unsigned int status;
static DRIVER_ATTR(version, S_IRUGO, osst_version_show, NULL);
-static int osst_create_driverfs_files(struct device_driver *driverfs)
+static int osst_create_sysfs_files(struct device_driver *sysfs)
{
- return driver_create_file(driverfs, &driver_attr_version);
+ return driver_create_file(sysfs, &driver_attr_version);
}
-static void osst_remove_driverfs_files(struct device_driver *driverfs)
+static void osst_remove_sysfs_files(struct device_driver *sysfs)
{
- driver_remove_file(driverfs, &driver_attr_version);
+ driver_remove_file(sysfs, &driver_attr_version);
}
/*
if (err)
goto err_out_chrdev;
- err = osst_create_driverfs_files(&osst_template.gendrv);
+ err = osst_create_sysfs_files(&osst_template.gendrv);
if (err)
goto err_out_scsidrv;
int i;
struct osst_tape * STp;
- osst_remove_driverfs_files(&osst_template.gendrv);
+ osst_remove_sysfs_files(&osst_template.gendrv);
scsi_unregister_driver(&osst_template.gendrv);
unregister_chrdev(OSST_MAJOR, "osst");
osst_sysfs_cleanup();
#define SCSI_TIMEOUT (2*HZ)
/*
- * Prefix values for the SCSI id's (stored in driverfs name field)
+ * Prefix values for the SCSI id's (stored in sysfs name field)
*/
#define SCSI_UID_SER_NUM 'S'
#define SCSI_UID_UNKNOWN 'Z'
/*
* Note: in the target show function we recognize when the remote
- * port is in the heirarchy and do not allow the driver to get
+ * port is in the hierarchy and do not allow the driver to get
* involved in sysfs functions. The driver only gets involved if
* it's the "old" style that doesn't use rports.
*/
EXPORT_SYMBOL(sas_phy_alloc);
/**
- * sas_phy_add -- add a SAS PHY to the device hierachy
+ * sas_phy_add -- add a SAS PHY to the device hierarchy
* @phy: The PHY to be added
*
* Publishes a SAS PHY to the rest of the system.
EXPORT_SYMBOL(sas_expander_alloc);
/**
- * sas_rphy_add -- add a SAS remote PHY to the device hierachy
+ * sas_rphy_add -- add a SAS remote PHY to the device hierarchy
* @rphy: The remote PHY to be added
*
* Publishes a SAS remote PHY to the rest of the system.
static int st_probe(struct device *);
static int st_remove(struct device *);
-static int do_create_driverfs_files(void);
-static void do_remove_driverfs_files(void);
+static int do_create_sysfs_files(void);
+static void do_remove_sysfs_files(void);
static int do_create_class_files(struct scsi_tape *, int, int);
static struct scsi_driver st_template = {
if (err)
goto err_chrdev;
- err = do_create_driverfs_files();
+ err = do_create_sysfs_files();
if (err)
goto err_scsidrv;
static void __exit exit_st(void)
{
- do_remove_driverfs_files();
+ do_remove_sysfs_files();
scsi_unregister_driver(&st_template.gendrv);
unregister_chrdev_region(MKDEV(SCSI_TAPE_MAJOR, 0),
ST_MAX_TAPE_ENTRIES);
}
static DRIVER_ATTR(version, S_IRUGO, st_version_show, NULL);
-static int do_create_driverfs_files(void)
+static int do_create_sysfs_files(void)
{
- struct device_driver *driverfs = &st_template.gendrv;
+ struct device_driver *sysfs = &st_template.gendrv;
int err;
- err = driver_create_file(driverfs, &driver_attr_try_direct_io);
+ err = driver_create_file(sysfs, &driver_attr_try_direct_io);
if (err)
return err;
- err = driver_create_file(driverfs, &driver_attr_fixed_buffer_size);
+ err = driver_create_file(sysfs, &driver_attr_fixed_buffer_size);
if (err)
goto err_try_direct_io;
- err = driver_create_file(driverfs, &driver_attr_max_sg_segs);
+ err = driver_create_file(sysfs, &driver_attr_max_sg_segs);
if (err)
goto err_attr_fixed_buf;
- err = driver_create_file(driverfs, &driver_attr_version);
+ err = driver_create_file(sysfs, &driver_attr_version);
if (err)
goto err_attr_max_sg;
return 0;
err_attr_max_sg:
- driver_remove_file(driverfs, &driver_attr_max_sg_segs);
+ driver_remove_file(sysfs, &driver_attr_max_sg_segs);
err_attr_fixed_buf:
- driver_remove_file(driverfs, &driver_attr_fixed_buffer_size);
+ driver_remove_file(sysfs, &driver_attr_fixed_buffer_size);
err_try_direct_io:
- driver_remove_file(driverfs, &driver_attr_try_direct_io);
+ driver_remove_file(sysfs, &driver_attr_try_direct_io);
return err;
}
-static void do_remove_driverfs_files(void)
+static void do_remove_sysfs_files(void)
{
- struct device_driver *driverfs = &st_template.gendrv;
+ struct device_driver *sysfs = &st_template.gendrv;
- driver_remove_file(driverfs, &driver_attr_version);
- driver_remove_file(driverfs, &driver_attr_max_sg_segs);
- driver_remove_file(driverfs, &driver_attr_fixed_buffer_size);
- driver_remove_file(driverfs, &driver_attr_try_direct_io);
+ driver_remove_file(sysfs, &driver_attr_version);
+ driver_remove_file(sysfs, &driver_attr_max_sg_segs);
+ driver_remove_file(sysfs, &driver_attr_fixed_buffer_size);
+ driver_remove_file(sysfs, &driver_attr_try_direct_io);
}
* It shall be a tagged command.
* Read SIMPLE+TAG.
* The C code will deal with errors.
- * Agressive optimization, is'nt it? :)
+ * Aggressive optimization, isn't it? :)
*/
SCR_MOVE_ABS (2) ^ SCR_MSG_IN,
HADDR_1 (msgin),
RADDR_1 (dsa),
/*
* The SIDL still contains the TAG value.
- * Agressive optimization, isn't it? :):)
+ * Aggressive optimization, isn't it? :):)
*/
SCR_REG_SFBR (sidl, SCR_SHL, 0),
0,
* It shall be a tagged command.
* Read SIMPLE+TAG.
* The C code will deal with errors.
- * Agressive optimization, is'nt it? :)
+ * Aggressive optimization, isn't it? :)
*/
SCR_MOVE_ABS (2) ^ SCR_MSG_IN,
HADDR_1 (msgin),
offsetof(struct sym_lcb, head.itlq_tbl_sa),
/*
* The SIDL still contains the TAG value.
- * Agressive optimization, isn't it? :):)
+ * Aggressive optimization, isn't it? :):)
*/
SCR_REG_SFBR (sidl, SCR_SHL, 0),
0,
#else
-/* troubleshooting help: expose state in driverfs */
+/* troubleshooting help: expose state in sysfs */
#define speed_char(info1) ({ char tmp; \
switch (info1 & (3 << 12)) { \
The CIFS VFS support for Linux supports many advanced network filesystem
-features such as heirarchical dfs like namespace, hardlinks, locking and more.
+features such as hierarchical dfs like namespace, hardlinks, locking and more.
It was designed to comply with the SNIA CIFS Technical Reference (which
supersedes the 1992 X/Open SMB Standard) as well as to perform best practice
practical interoperability with Windows 2000, Windows XP, Samba and equivalent
/* security id for everyone */
-const static struct cifs_sid sid_everyone =
+static const struct cifs_sid sid_everyone =
{1, 1, {0, 0, 0, 0, 0, 0}, {0, 0, 0, 0}};
/* group users */
-const static struct cifs_sid sid_user =
+static const struct cifs_sid sid_user =
{1, 2 , {0, 0, 0, 0, 0, 5}, {32, 545, 0, 0}};
/* Convert CIFS ACL to POSIX form */
size = (inode->i_sb->s_blocksize - sizeof(struct ext4_extent_header))
/ sizeof(struct ext4_extent);
-#ifdef AGRESSIVE_TEST
+#ifdef AGGRESSIVE_TEST
if (size > 6)
size = 6;
#endif
size = (inode->i_sb->s_blocksize - sizeof(struct ext4_extent_header))
/ sizeof(struct ext4_extent_idx);
-#ifdef AGRESSIVE_TEST
+#ifdef AGGRESSIVE_TEST
if (size > 5)
size = 5;
#endif
size = sizeof(EXT4_I(inode)->i_data);
size -= sizeof(struct ext4_extent_header);
size /= sizeof(struct ext4_extent);
-#ifdef AGRESSIVE_TEST
+#ifdef AGGRESSIVE_TEST
if (size > 3)
size = 3;
#endif
size = sizeof(EXT4_I(inode)->i_data);
size -= sizeof(struct ext4_extent_header);
size /= sizeof(struct ext4_extent_idx);
-#ifdef AGRESSIVE_TEST
+#ifdef AGGRESSIVE_TEST
if (size > 4)
size = 4;
#endif
*/
if (le16_to_cpu(ex1->ee_len) + le16_to_cpu(ex2->ee_len) > EXT_MAX_LEN)
return 0;
-#ifdef AGRESSIVE_TEST
+#ifdef AGGRESSIVE_TEST
if (le16_to_cpu(ex1->ee_len) >= 4)
return 0;
#endif
if (test_opt(sb, EXTENTS)) {
printk("EXT4-fs: file extents enabled");
-#ifdef AGRESSIVE_TEST
- printk(", agressive tests");
+#ifdef AGGRESSIVE_TEST
+ printk(", aggressive tests");
#endif
#ifdef CHECK_BINSEARCH
printk(", check binsearch");
};
/*
- * Module (and driverfs) parameters.
+ * Module (and sysfs) parameters.
*/
#define param_set_min_max(name, type, which_strtol, min, max) \
BUG();
}
- /* Assume a directory heirarchy thusly:
+ /* Assume a directory hierarchy thusly:
* a/b/c
* a/d
* a,b,c, and d are all directories.
#define get_user(x,p) \
({ \
- const register typeof(*(p)) __user *__p asm("r0") = (p);\
+ register const typeof(*(p)) __user *__p asm("r0") = (p);\
register unsigned long __r2 asm("r2"); \
register int __e asm("r0"); \
switch (sizeof(*(__p))) { \
#define put_user(x,p) \
({ \
- const register typeof(*(p)) __r2 asm("r2") = (x); \
- const register typeof(*(p)) __user *__p asm("r0") = (p);\
+ register const typeof(*(p)) __r2 asm("r2") = (x); \
+ register const typeof(*(p)) __user *__p asm("r0") = (p);\
register int __e asm("r0"); \
switch (sizeof(*(__p))) { \
case 1: \
#define get_user(x,p) \
({ \
- const register typeof(*(p)) *__p asm("r0") = (p); \
+ register const typeof(*(p)) *__p asm("r0") = (p); \
register typeof(*(p)) __r1 asm("r1"); \
register int __e asm("r0"); \
switch (sizeof(*(p))) { \
#define put_user(x,p) \
({ \
- const register typeof(*(p)) __r1 asm("r1") = (x); \
- const register typeof(*(p)) *__p asm("r0") = (p); \
+ register const typeof(*(p)) __r1 asm("r1") = (x); \
+ register const typeof(*(p)) *__p asm("r0") = (p); \
register int __e asm("r0"); \
switch (sizeof(*(__p))) { \
case 1: \
#define put_user(x,p) \
({ \
- const register typeof(*(p)) __r1 asm("r1") = (x); \
- const register typeof(*(p)) *__p asm("r0") = (p); \
+ register const typeof(*(p)) __r1 asm("r1") = (x); \
+ register const typeof(*(p)) *__p asm("r0") = (p); \
register int __e asm("r0"); \
switch (sizeof(*(p))) { \
case 1: \
extern struct kimage *ia64_kimage;
DECLARE_PER_CPU(u64, ia64_mca_pal_base);
-const extern unsigned int relocate_new_kernel_size;
+extern const unsigned int relocate_new_kernel_size;
extern void relocate_new_kernel(unsigned long, unsigned long,
struct ia64_boot_param *, unsigned long);
static inline void
#define PAL_CACHE_FLUSH 1 /* flush i/d cache */
#define PAL_CACHE_INFO 2 /* get detailed i/d cache info */
#define PAL_CACHE_INIT 3 /* initialize i/d cache */
-#define PAL_CACHE_SUMMARY 4 /* get summary of cache heirarchy */
+#define PAL_CACHE_SUMMARY 4 /* get summary of cache hierarchy */
#define PAL_MEM_ATTRIB 5 /* list supported memory attributes */
#define PAL_PTCE_INFO 6 /* purge TLB info */
#define PAL_VM_INFO 7 /* return supported virtual memory features */
*/
#define PAL_STATUS_REQUIRES_MEMORY (-9) /* Call requires PAL memory buffer */
-/* Processor cache level in the heirarchy */
+/* Processor cache level in the hierarchy */
typedef u64 pal_cache_level_t;
#define PAL_CACHE_LEVEL_L0 0 /* L0 */
#define PAL_CACHE_LEVEL_L1 1 /* L1 */
#define PAL_CACHE_LEVEL_L2 2 /* L2 */
-/* Processor cache type at a particular level in the heirarchy */
+/* Processor cache type at a particular level in the hierarchy */
typedef u64 pal_cache_type_t;
#define PAL_CACHE_TYPE_INSTRUCTION 1 /* Instruction cache */
#define PAL_CACHE_PROT_METHOD_ECC 3 /* ECC protection */
-/* Processor cache line identification in the heirarchy */
+/* Processor cache line identification in the hierarchy */
typedef union pal_cache_line_id_u {
u64 pclid_data;
struct {
u64 cache_type : 8, /* 7-0 cache type */
level : 8, /* 15-8 level of the
* cache in the
- * heirarchy.
+ * hierarchy.
*/
way : 8, /* 23-16 way in the set
*/
u64 cache_type : 8, /* 7-0 cache type */
level : 8, /* 15-8 level of the
* cache in the
- * heirarchy.
+ * hierarchy.
*/
way : 8, /* 23-16 way in the set
*/
return iprv.status;
}
-/* Return summary information about the heirarchy of caches controlled by the processor */
+/* Return summary information about the hierarchy of caches controlled by the processor */
static inline s64
ia64_pal_cache_summary (u64 *cache_levels, u64 *unique_caches)
{
#define BUS_NOTIFY_UNBIND_DRIVER 0x00000004 /* driver about to be
unbound */
-/* driverfs interface for exporting bus attributes */
+/* sysfs interface for exporting bus attributes */
struct bus_attribute {
struct attribute attr;
extern struct device_driver *driver_find(const char *name, struct bus_type *bus);
extern int driver_probe_done(void);
-/* driverfs interface for exporting driver attributes */
+/* sysfs interface for exporting driver attributes */
struct driver_attribute {
struct attribute attr;
#include <linux/ext4_fs.h>
/*
- * With AGRESSIVE_TEST defined, the capacity of index/leaf blocks
+ * With AGGRESSIVE_TEST defined, the capacity of index/leaf blocks
* becomes very small, so index split, in-depth growing and
* other hard changes happen much more often.
* This is for debug purposes only.
*/
-#define AGRESSIVE_TEST_
+#define AGGRESSIVE_TEST_
/*
* With EXTENTS_STATS defined, the number of blocks and extents
* roundup_pow_of_two - round the given value up to nearest power of two
* @n - parameter
*
- * round the given balue up to the nearest power of two
+ * round the given value up to the nearest power of two
* - the result is undefined when n == 0
* - this can be used to initialise global variables from constant data
*/
};
/* This is the fundamental function for registering boot/module
- parameters. perm sets the visibility in driverfs: 000 means it's
+ parameters. perm sets the visibility in sysfs: 000 means it's
not there, read bits mean it's readable, write bits mean it's
writable. */
#define __module_param_call(prefix, name, set, get, arg, perm) \
#define __LINUX_SEQLOCK_H
/*
* Reader/writer consistent mechanism without starving writers. This type of
- * lock for data where the reader wants a consitent set of information
+ * lock for data where the reader wants a consistent set of information
* and is willing to retry if the information changes. Readers never
* block but they may have to retry if a writer is in
* progress. Writers do not wait for readers.
};
/*
- * Low lever drivers may need that to know if they can schedule in
+ * Low level drivers may need that to know if they can schedule in
* their unblank() callback or not. So let's export it.
*/
int oops_in_progress;
* configuration according to the specified parameters.
* (3) User starts the search(es) by calling _find() or _next() to
* fetch subsequent occurrences. A state variable is provided
- * to the algorihtm to store persistent variables.
+ * to the algorithm to store persistent variables.
* (4) Core eventually resets the search offset and forwards the find()
* request to the algorithm.
* (5) Algorithm calls get_next_block() provided by the user continously
intend to participate in the MBONE, a high bandwidth network on top
of the Internet which carries audio and video broadcasts. More
information about the MBONE is on the WWW at
- <http://www-itg.lbl.gov/mbone/>. Information about the multicast
+ <http://www.savetz.com/mbone/>. Information about the multicast
capabilities of the various network cards is contained in
<file:Documentation/networking/multicast.txt>. For most people, it's
safe to say N.
}
/*
- * Attach new congestion control algorthim to the list
+ * Attach new congestion control algorithm to the list
* of available options.
*/
int tcp_register_congestion_control(struct tcp_congestion_ops *ca)
projects / linux-2.6-block.git / commitdiff